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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.
OUR SERVICES

Complete Property Services, One Trusted Team

From a leaking tap to a complete heating or air conditioning installation, our engineers provide practical solutions for properties across London.

Boilers & Heating

Boiler servicing, repairs, installations and complete heating solutions designed to keep your home warm and running efficiently.
Includes:
  • Boiler installation
  • Boiler servicing & repairs
  • Underfloor heating
  • Hot water cylinders
  • Powerflushing
Explore Boilers & Heating →

Plumbing

Professional plumbing services for everyday problems, planned improvements and urgent repairs.
Includes:
  • Leaks & burst pipes
  • Taps & toilets
  • Water pressure problems
  • Bathroom plumbing
  • General repairs
Explore Plumbing Services →

Air Conditioning

Professional air conditioning installation, servicing and repairs for homes, apartments and commercial properties.
Includes:
  • New AC installation
  • Air conditioning servicing
  • AC repairs
  • Emergency breakdowns
  • Single & multi-room systems
Explore Air Conditioning →

Emergency Repairs

Fast assistance when plumbing or heating problems can't wait.
  • Burst pipes
  • Water leaks
  • Boiler breakdowns
  • No heating or hot water
  • Urgent plumbing problems
Emergency Services →
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.
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 →

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
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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

What our customers say

Get in touch with us today for a free quote

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
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Company Reg: 16435424 · VAT: 494 7956 19
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