Same-Day Engineers Available

Available Now

Home » Services

Plumbing, Heating & Air Conditioning Services in London

Professional plumbing, boiler, heating and air conditioning services across West, South West and Central London. From urgent repairs to planned installations and ongoing maintenance, Keystone London provides reliable support for homes, landlords and managed properties.

Book now

Boiler Installation

New boiler selection, replacement and professional installation across London.

Explore service 02

Boiler Service & Repair

Routine servicing, professional fault diagnosis and reliable boiler repairs.

Explore service 03

Boiler Care Plan

Ongoing boiler support designed to help prevent unexpected heating problems.

Explore service 04

Heating Design & Installation

Complete heating solutions designed around your property and requirements.

Explore service 05

Radiator Powerflushing

Professional system cleaning for circulation and radiator performance problems.

Explore service 06

Underfloor Heating

Modern underfloor heating solutions providing comfortable, even warmth.

Explore service 07

Hot Water Cylinders

Professional cylinder installation and upgrades for dependable hot water.

Explore service 08

Gas Safety Certificates

Gas safety checks and CP12 certification for landlords across London.

Explore service

Plumbers in London

Professional help with taps, toilets, pipework, water pressure, leaks and everyday plumbing maintenance for homes and managed properties.

Explore plumbing services 02

Bathroom Design & Installation

Complete bathroom design, plumbing, installation and refurbishment managed by one experienced London team.

Explore bathroom services

Air Conditioning Installation

Efficient single-room and multi-room air conditioning designed and installed for homes and businesses.

Explore installation 02

Air Conditioning Servicing

Professional maintenance supporting system efficiency, performance and long-term reliability.

Explore servicing FAULT DIAGNOSIS & REPAIR 03

Air Conditioning Repair

Professional diagnosis and repair for AC systems that are leaking, noisy, displaying faults or no longer cooling properly.

Explore AC repairs

Emergency Plumber

Urgent plumbing assistance for homes and managed properties.

View service 02

Emergency Boiler Repair

Fast fault diagnosis for boiler breakdowns and failures.

View service 03

Emergency Gas Engineer

Gas Safe support for urgent gas-related faults and concerns.

View service 04

Emergency Heating Engineer

Urgent assistance for heating failures and system faults.

View service 05

Emergency Air Conditioning

Same-day availability for urgent AC system breakdowns.

View service 06

Emergency Leak Repair

Professional detection and repair of urgent water leaks.

View service 07

Burst Pipe Repair

Fast assistance for burst, damaged and leaking pipework.

View service 08

No Hot Water

Professional diagnosis when your property loses hot water.

View service 09

Overflowing Toilet

Urgent assistance for overflowing toilet faults and leaks.

View service

ALL EMERGENCY SUPPORT Emergency Plumbing & Heating Services

Explore Keystone’s complete emergency service and same-day call-out support across London.

Not sure which service you need?

Tell us what has happened, provide your postcode and send photographs or fault codes where possible. Our team will help identify the right service.

Ask our team

NEED HELP TODAY?

Same-Day Plumbing & Heating Engineers

Some problems can't wait for a convenient appointment. If you've lost heating or hot water, discovered a leak or have an urgent plumbing problem, Keystone London provides same-day engineer appointments across our London service areas whenever availability allows.

No Heating or Hot Water

Boiler stopped working or heating suddenly gone?

Water Leak

Unexpected water appearing from pipework, fixtures or your heating system?

Burst Pipe

Fast professional assistance to control the problem and repair the affected pipework.

Boiler Breakdown

Fault codes, ignition problems, pressure issues and complete boiler shutdowns.

Get Emergency Help →

PLANNING AN UPGRADE?

Installation Services for Your Home

From replacing an ageing boiler to upgrading your complete heating system, our engineers can help plan and deliver improvements around your property and requirements.

New Boiler Installation

Replace an ageing or unreliable boiler with a professionally selected and installed new system.

Boiler Installation →

Heating Design & Installation

Complete heating solutions including boilers, radiators, controls and underfloor heating.

Heating Installation →

Air Conditioning Installation

Modern single-room and multi-room air conditioning systems for year-round comfort.

Air Conditioning Installation →

Hot Water Systems

Professional hot water cylinder installation and upgrades for reliable hot water throughout your property.

Hot Water Cylinders →

Explore Areas We Cover

Who Keystone works with

From individual homeowners to landlords and property professionals, we provide dependable plumbing, heating and property support across West, South West and Central London.

Homeowners

Reliable help keeping your home’s plumbing, heating and hot water working properly.

Everyday plumbing repairs
Boiler & heating services
Installations & upgrades

Landlords

Professional support to keep rental properties safe, maintained and running smoothly.

Gas safety & servicing
Repairs & maintenance
Emergency support

Property Managers & Agents

Responsive support for individual properties and managed portfolios across London.

Fast engineer response
Documented work & reports
Ongoing maintenance support

Why Choose Keystone

Why London Property Owners Choose Keystone

Professional plumbing, heating and air conditioning services for homeowners, landlords and property professionals across London.

15+

Years Experience

1,000+

Jobs Completed

5.0

Google Rating

West, SW & Central

Coverage

Qualified Engineers

Experienced professionals covering plumbing, heating, boilers and air conditioning.

Experienced engineers
Professional workmanship
Fully insured

Clear Advice & Pricing

Practical recommendations and straightforward communication from the first call to completion.

Transparent advice
No unnecessary work
Clear pricing

Complete Property Support

One team for planned maintenance, installations and unexpected problems.

Repairs & maintenance
Installations & upgrades
Same-day support available

Gas Safe Registered · Fully Insured · Quality Workmanship

Get a Free Quote →

Areas We Cover

We provide professional plumbing, heating and air conditioning services across West, South West and Central London, supporting homeowners, landlords and managed properties.

Local engineers based across SW & Central London

West London

South West London

Central London

What our customers say

Get in touch with us today for a free quote

GET A FREE QUOTE

CALL US NOW

Frequently asked questions

If we haven't answered your question, get in touch for guidance from our specialist team.

Keystone London provides general plumbing, boiler servicing and repairs, boiler installation, heating design and installation, underfloor heating, hot water cylinder services, powerflushing, gas safety services and air conditioning installation, servicing and repairs.

Same-day engineer appointments are available depending on location and engineer availability. For urgent problems such as leaks, boiler breakdowns or loss of heating and hot water, contact us as early as possible.

We primarily serve West, South West and Central London, including Chelsea, Fulham, Kensington, Knightsbridge, Pimlico, Hammersmith, Chiswick, Ealing, Putney, Wandsworth and surrounding areas.

Yes. We support homeowners, landlords, letting agents and property managers with repairs, maintenance, gas safety, heating services and planned installations.

Engineers carrying out relevant gas work are Gas Safe registered and appropriately qualified for the work being completed.

Yes. For planned installations and larger projects, Keystone can assess your requirements and provide a clear quotation before work begins.

Yes. Keystone provides everything from everyday repairs and routine maintenance to boiler replacements, complete heating systems and new air conditioning installations.

KEYSTONE LONDON

First Floor, 289 Brompton Road

Knightsbridge

London SW3 2DY

About Us

02033 699 999

hello@keystone.london

img:is([sizes=auto i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px}img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important}:root{--wp-block-synced-color:#7a00df;--wp-block-synced-color--rgb:122,0,223;--wp-bound-block-color:var(--wp-block-synced-color);--wp-editor-canvas-background:#ddd;--wp-admin-theme-color:#007cba;--wp-admin-theme-color--rgb:0,124,186;--wp-admin-theme-color-darker-10:#006ba1;--wp-admin-theme-color-darker-10--rgb:0,107,160.5;--wp-admin-theme-color-darker-20:#005a87;--wp-admin-theme-color-darker-20--rgb:0,90,135;--wp-admin-border-width-focus:2px}@media (min-resolution:192dpi){:root{--wp-admin-border-width-focus:1.5px}}.wp-element-button{cursor:pointer}:root .has-very-light-gray-background-color{background-color:#eee}:root .has-very-dark-gray-background-color{background-color:#313131}:root .has-very-light-gray-color{color:#eee}:root .has-very-dark-gray-color{color:#313131}:root .has-vivid-green-cyan-to-vivid-cyan-blue-gradient-background{background:linear-gradient(135deg,#00d084,#0693e3)}:root .has-purple-crush-gradient-background{background:linear-gradient(135deg,#34e2e4,#4721fb 50%,#ab1dfe)}:root .has-hazy-dawn-gradient-background{background:linear-gradient(135deg,#faaca8,#dad0ec)}:root .has-subdued-olive-gradient-background{background:linear-gradient(135deg,#fafae1,#67a671)}:root .has-atomic-cream-gradient-background{background:linear-gradient(135deg,#fdd79a,#004a59)}:root .has-nightshade-gradient-background{background:linear-gradient(135deg,#330968,#31cdcf)}:root .has-midnight-gradient-background{background:linear-gradient(135deg,#020381,#2874fc)}:root{--wp--preset--font-size--normal:16px;--wp--preset--font-size--huge:42px}.has-regular-font-size{font-size:1em}.has-larger-font-size{font-size:2.625em}.has-normal-font-size{font-size:var(--wp--preset--font-size--normal)}.has-huge-font-size{font-size:var(--wp--preset--font-size--huge)}:root .has-text-align-center{text-align:center}:root .has-text-align-left{text-align:left}:root .has-text-align-right{text-align:right}.has-fit-text{white-space:nowrap !important}#end-resizable-editor-section{display:none}.aligncenter{clear:both}.items-justified-left{justify-content:flex-start}.items-justified-center{justify-content:center}.items-justified-right{justify-content:flex-end}.items-justified-space-between{justify-content:space-between}.screen-reader-text{word-wrap:normal !important;border:0;clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-break:normal !important}.screen-reader-text:focus{background-color:#ddd;clip-path:none;color:#444;display:block;font-size:1em;height:auto;left:5px;line-height:normal;padding:15px 23px 14px;text-decoration:none;top:5px;width:auto;z-index:100000}html :where(.has-border-color){border-style:solid}html :where([style^=border-color],[style*=";border-color"],[style*="; border-color"]){border-style:solid}html :where([style^=border-top-color],[style*=";border-top-color"],[style*="; border-top-color"]){border-top-style:solid}html :where([style^=border-right-color],[style*=";border-right-color"],[style*="; border-right-color"]){border-right-style:solid}html :where([style^=border-bottom-color],[style*=";border-bottom-color"],[style*="; border-bottom-color"]){border-bottom-style:solid}html :where([style^=border-left-color],[style*=";border-left-color"],[style*="; border-left-color"]){border-left-style:solid}html :where([style^=border-width],[style*=";border-width"],[style*="; border-width"]){border-style:solid}html :where([style^=border-top-width],[style*=";border-top-width"],[style*="; border-top-width"]){border-top-style:solid}html :where([style^=border-right-width],[style*=";border-right-width"],[style*="; border-right-width"]){border-right-style:solid}html :where([style^=border-bottom-width],[style*=";border-bottom-width"],[style*="; border-bottom-width"]){border-bottom-style:solid}html :where([style^=border-left-width],[style*=";border-left-width"],[style*="; border-left-width"]){border-left-style:solid}html :where(img[class*=wp-image-]){height:auto;max-width:100%}:where(figure){margin:0 0 1em}html :where(.is-position-sticky){--wp-admin--admin-bar--position-offset:var(--wp-admin--admin-bar--height,0px)}@media screen and (max-width:600px){html :where(.is-position-sticky){--wp-admin--admin-bar--position-offset:0px}}.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}.search h1,.archive h1,.search .page-title,.archive .page-title{margin-top:60px !important;padding-top:20px !important;font-size:52px !important;line-height:1.1}@media (max-width: 1024px){.search h1,.archive h1,.search .page-title,.archive .page-title{margin-top:60px !important;font-size:42px !important}}@media (max-width: 767px){.search h1,.archive h1,.search .page-title,.archive .page-title{margin-top:40px !important;padding-top:10px !important;font-size:26px !important;line-height:1.2}}.ksx-services,.ksx-services *{box-sizing:border-box}.ksx-services{--ksx-dark:#0f2e24;--ksx-deep:#16382d;--ksx-green:#4b7663;--ksx-light-green:#7aa090;--ksx-pale:#e7ece9;--ksx-light:#f5f7f5;--ksx-border:#d2dcd6;--ksx-text:#5d6d65;position:relative;left:50%;width:100vw;margin-left:-50vw;padding:100px 24px;overflow:hidden;color:var(--ksx-dark);background:var(--ksx-light)}.ksx-services::before{content:"";position:absolute;top:0;left:0;width:36%;height:5px;background:var(--ksx-green)}.ksx-services__inner{position:relative;z-index:1;width:100%;max-width:1240px;margin:0 auto}.ksx-services__header{max-width:900px;margin:0 auto 58px;text-align:center}.ksx-services__eyebrow{display:inline-block;margin-bottom:15px;color:var(--ksx-green);font-size:13px;font-weight:800;line-height:1.3;letter-spacing:.17em}.ksx-services__header h2{margin:0 0 21px;color:var(--ksx-dark);font-size:clamp(40px,4.7vw,60px);font-weight:700;line-height:1.06;letter-spacing:-.045em}.ksx-services__header p{max-width:760px;margin:0 auto;color:var(--ksx-text);font-size:18px;line-height:1.75}.ksx-group{margin-bottom:54px;scroll-margin-top:30px}.ksx-group__header{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;min-height:148px;padding:30px 34px;gap:24px;color:#fff;background:var(--ksx-dark)}.ksx-group__header--soft{background:#274b3e}.ksx-group__header--green{background:var(--ksx-green)}.ksx-group__header--emergency{background:var(--ksx-deep)}.ksx-group__icon{display:flex;flex:0 0 64px;align-items:center;justify-content:center;width:64px;height:64px;color:var(--ksx-dark);background:var(--ksx-pale)}.ksx-group__icon svg,.ksx-services__help-icon svg{width:31px;height:31px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.ksx-group__heading>span{display:block;margin-bottom:7px;color:#a9c5b8;font-size:11px;font-weight:800;line-height:1.3;letter-spacing:.15em}.ksx-group__header--green .ksx-group__heading>span{color:rgba(255,255,255,.72)}.ksx-group__heading h3{max-width:720px;margin:0;color:#fff;font-size:clamp(25px,2.5vw,34px);font-weight:700;line-height:1.18;letter-spacing:-.025em}.ksx-group__header>a{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:13px 18px;gap:11px;border:1px solid var(--ksx-light-green);color:#fff;font-size:13px;font-weight:800;line-height:1.25;text-decoration:none;white-space:nowrap;transition:color .2s ease,background-color .2s ease}.ksx-group__header>a:hover{color:var(--ksx-dark);background:var(--ksx-pale)}.ksx-grid{display:grid;border-top:1px solid var(--ksx-border);border-left:1px solid var(--ksx-border);background:#fff}.ksx-grid--four{grid-template-columns:repeat(4,minmax(0,1fr))}.ksx-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.ksx-grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.ksx-card{position:relative;display:flex;flex-direction:column;min-width:0;min-height:285px;padding:30px 26px 27px;border-right:1px solid var(--ksx-border);border-bottom:1px solid var(--ksx-border);color:var(--ksx-dark);background:#fff;text-decoration:none;transition:background-color .22s ease,transform .22s ease,box-shadow .22s ease}.ksx-card:hover{z-index:2;background:var(--ksx-pale);box-shadow:0 18px 40px rgba(15,46,36,.1);transform:translateY(-4px)}.ksx-card__number{display:block;margin-bottom:32px;color:var(--ksx-light-green);font-size:11px;font-weight:800;line-height:1.3;letter-spacing:.1em}.ksx-card h4{margin:0 0 13px;color:var(--ksx-dark);font-size:19px;font-weight:700;line-height:1.3}.ksx-card p{margin:0 0 26px;color:#66756e;font-size:14px;line-height:1.68}.ksx-card__link{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px;border-top:1px solid #e0e7e3;color:var(--ksx-green);font-size:12px;font-weight:800;line-height:1.3;letter-spacing:.03em}.ksx-card:hover .ksx-card__link{color:var(--ksx-dark)}.ksx-card--wide{min-height:260px;padding:34px 32px}.ksx-card--featured{background:#edf2ef}.ksx-card--featured::before{content:"";position:absolute;top:0;left:0;width:44%;height:4px;background:var(--ksx-green)}.ksx-card__badge{display:inline-block;align-self:flex-start;margin-bottom:22px;padding:7px 9px;color:#fff;background:var(--ksx-green);font-size:9px;font-weight:800;line-height:1.2;letter-spacing:.1em}.ksx-card--featured .ksx-card__number{margin-bottom:17px}.ksx-card--emergency{min-height:245px}.ksx-emergency-all{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:180px;padding:34px;gap:30px;border-right:1px solid var(--ksx-border);border-bottom:1px solid var(--ksx-border);color:#fff;background:var(--ksx-green);text-decoration:none;transition:background-color .22s ease}.ksx-emergency-all:hover{background:var(--ksx-dark)}.ksx-emergency-all>div>span{display:block;margin-bottom:8px;color:rgba(255,255,255,.7);font-size:10px;font-weight:800;line-height:1.3;letter-spacing:.14em}.ksx-emergency-all strong{display:block;margin-bottom:9px;color:#fff;font-size:24px;line-height:1.3}.ksx-emergency-all p{max-width:720px;margin:0;color:rgba(255,255,255,.75);font-size:14px;line-height:1.65}.ksx-emergency-all__arrow{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border:1px solid rgba(255,255,255,.35);color:#fff;font-size:22px}.ksx-services__help{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;padding:28px 30px;gap:20px;color:#fff;background:var(--ksx-dark)}.ksx-services__help-icon{display:flex;flex:0 0 50px;align-items:center;justify-content:center;width:50px;height:50px;color:var(--ksx-dark);background:var(--ksx-pale)}.ksx-services__help-icon svg{width:25px;height:25px}.ksx-services__help strong{display:block;margin-bottom:5px;color:#fff;font-size:18px;line-height:1.35}.ksx-services__help p{max-width:760px;margin:0;color:rgba(255,255,255,.7);font-size:14px;line-height:1.62}.ksx-services__help>a{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:13px 19px;gap:10px;border:1px solid var(--ksx-light-green);color:#fff;font-size:14px;font-weight:800;line-height:1.2;text-decoration:none;white-space:nowrap;transition:color .2s ease,background-color .2s ease}.ksx-services__help>a:hover{color:var(--ksx-dark);background:var(--ksx-pale)}@media (max-width: 1100px){.ksx-grid--four{grid-template-columns:repeat(2,minmax(0,1fr))}.ksx-card{min-height:255px}}@media (max-width: 850px){.ksx-services{padding:82px 22px}.ksx-group__header{grid-template-columns:auto minmax(0,1fr)}.ksx-group__header>a{grid-column:2;justify-self:start}.ksx-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}.ksx-grid--three .ksx-card:last-of-type{grid-column:1/-1}}@media (max-width: 700px){.ksx-services__help{grid-template-columns:auto minmax(0,1fr)}.ksx-services__help>a{grid-column:2;justify-self:start}}@media (max-width: 640px){.ksx-services{padding:64px 18px}.ksx-services__header{margin-bottom:42px;text-align:left}.ksx-services__header h2{font-size:36px;line-height:1.1}.ksx-services__header p{font-size:16px;line-height:1.65}.ksx-group{margin-bottom:38px}.ksx-group__header{grid-template-columns:1fr;min-height:0;padding:27px 22px}.ksx-group__header>a{grid-column:1;width:100%}.ksx-group__heading h3{font-size:25px}.ksx-grid--four,.ksx-grid--three,.ksx-grid--two{grid-template-columns:1fr}.ksx-grid--three .ksx-card:last-of-type{grid-column:auto}.ksx-card,.ksx-card--wide,.ksx-card--emergency{min-height:0;padding:26px 22px}.ksx-card:hover{transform:none}.ksx-card__number{margin-bottom:23px}.ksx-emergency-all{grid-template-columns:1fr;min-height:0;padding:27px 22px}.ksx-emergency-all strong{font-size:21px}.ksx-services__help{grid-template-columns:1fr;padding:24px 22px}.ksx-services__help>a{grid-column:1;width:100%}}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,#0693e3 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,#fcb900 0%,#ff6900 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,#ff6900 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px #fff,6px 6px #000;--wp--preset--shadow--crisp:6px 6px 0px #000}.wp-block-button{--wp--preset--dimension--25:25%;--wp--preset--dimension--50:50%;--wp--preset--dimension--75:75%;--wp--preset--dimension--100:100%}:where(body){margin:0}:where(.is-layout-flex){gap:.5em}:where(.is-layout-grid){gap:.5em}body .is-layout-flex{display:flex}.is-layout-flex{flex-wrap:wrap;align-items:center}.is-layout-flex>:is(*, div){margin:0}body .is-layout-grid{display:grid}.is-layout-grid>:is(*, div){margin:0}body{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px}:root :where(.wp-element-button, .wp-block-button__link){background-color:#32373c;border-width:0;color:#fff;font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;line-height:inherit;padding-top:calc(.667em + 2px);padding-right:calc(1.333em + 2px);padding-bottom:calc(.667em + 2px);padding-left:calc(1.333em + 2px);text-decoration:none;text-transform:inherit}.has-black-color{color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-color{color:var(--wp--preset--color--white) !important}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important}.has-black-background-color{background-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-background-color{background-color:var(--wp--preset--color--white) !important}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important}.has-black-border-color{border-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-border-color{border-color:var(--wp--preset--color--white) !important}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important}

Plumbing, Heating & Air Conditioning Services in London

Boiler Installation

Boiler Service & Repair

Boiler Care Plan

Heating Design & Installation

Radiator Powerflushing

Underfloor Heating

Hot Water Cylinders

Gas Safety Certificates

Plumbers in London

Bathroom Design & Installation

Air Conditioning Installation

Air Conditioning Servicing

Air Conditioning Repair

Emergency Plumber

Emergency Boiler Repair

Emergency Gas Engineer

Emergency Heating Engineer

Emergency Air Conditioning

Emergency Leak Repair

Burst Pipe Repair

No Hot Water

Overflowing Toilet

Same-Day Plumbing & Heating Engineers

No Heating or Hot Water

Water Leak

Burst Pipe

Boiler Breakdown

Installation Services for Your Home

New Boiler Installation

Heating Design & Installation

Air Conditioning Installation

Hot Water Systems

Who Keystone works with

Homeowners

Landlords

Property Managers & Agents

Why London Property Owners Choose Keystone

Qualified Engineers

Clear Advice & Pricing

Complete Property Support

Areas We Cover

What our customers say

Get in touch with us today for a free quote

Frequently asked questions

What plumbing and heating services does Keystone London provide?

Do you provide same-day plumbing and heating services?

Which areas of London do you cover?

Do you work with landlords and property managers?

Are your heating engineers Gas Safe registered?

Can I get a quote before booking installation work?

Do you provide both repairs and new installations?

KEYSTONE LONDON

About Us