Boilers & Heating Services - Keystone London

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Boiler & Heating Services in London

Professional boiler and heating services across West, South West and Central London. From boiler repairs and annual servicing to new installations and complete heating systems, our Gas Safe engineers are here to keep your home warm, safe and running efficiently.

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BOILER & HEATING SERVICES

Everything Your Heating System Needs

From a routine boiler service to a complete new heating system, Keystone London provides professional heating solutions for homes and landlords across London.

VIEW EMERGENCY SERVICES →

Boiler Service & Repair

Annual servicing, fault diagnosis and professional boiler repairs for all major boiler brands.

Boiler Service & Repair →

Boiler Installation

Professional boiler replacement and installation, with the right system selected for your property and heating requirements.

Boiler Installation →

Heating Design & Installation

Complete heating solutions designed around your property, from radiators and controls to full system upgrades.

Heating Design & Installation →

Underfloor Heating

Efficient, comfortable underfloor heating installation and support for homes and renovation projects.

Underfloor Heating →

Hot Water Cylinders

Installation and replacement of vented and unvented hot water cylinders for reliable hot water throughout your property.

Hot Water Cylinders →

Radiator Powerflushing

Professional system cleaning to remove sludge, improve circulation and help restore radiator performance.

Radiator Powerflushing →

BOILER SERVICES LONDON

From Annual Servicing to Complete Boiler Replacement

Your boiler sits at the heart of your home's heating and hot water system. When it needs attention, Keystone London provides professional support throughout its entire lifespan.

Keystone London engineer carrying out a boiler service

New boiler installations

If your existing boiler is ageing, unreliable or no longer suitable for your home, we'll help you choose and install an efficient replacement.

System assessment · Clear quotation · Professional installation

Boiler servicing

Regular servicing helps keep your boiler operating safely and efficiently while identifying developing problems before they become unexpected breakdowns.

Annual servicing · All major brands · Service reminders

Boiler repairs

No heating, no hot water, pressure problems or a fault code showing? Our engineers diagnose boiler problems carefully and recommend the appropriate repair.

Fault diagnosis · Same-day availability · Professional repairs

Explore Boiler Installation →

Keystone London plumbing and heating engineer at a service van

BOILER SERVICES

What’s Happening With Your Boiler?

Not every boiler problem means you need a replacement. Explore some of the most common heating problems and find out what may be causing them.

Boiler Losing Pressure

Pressure repeatedly dropping or requiring regular topping up.

Boiler Leaking

Water appearing underneath or around your boiler.

Boiler Won't Ignite

Boiler attempting to start but failing to fire.

No Heating or Hot Water

Complete or intermittent loss of heating or hot water.

Radiators Not Heating

Cold radiators, cold spots or uneven heating throughout your home.

Boiler Pressure Too High

Boiler pressure repeatedly rising above its normal operating range.

Explore Heating Services

TRUSTED LOCALLY

Local Boiler & Heating Engineers in London

When a heating problem needs professional attention, Keystone London provides experienced support across West, South West and Central London.

Our engineers diagnose the cause of the problem before recommending the most appropriate repair — helping avoid unnecessary work and repeat faults.

Same-Day Help Available

Lost heating or hot water? Same-day engineer appointments are available whenever possible.

Gas Safe Registered Engineers

Qualified engineers experienced in boiler servicing, repairs and complete heating systems.

All Major Boiler Brands

We work with Worcester Bosch, Vaillant, Ideal, Baxi, Viessmann, Glow-worm and other leading manufacturers.

Diagnosis Before Repair

We investigate the cause of the fault and explain your options before additional work is carried out.

Service Repair In London

TRUSTED SERVICE

More Than Just Boilers

A comfortable home depends on the entire heating system working properly — not just the boiler.

Keystone London provides complete heating design, installation and maintenance services, helping improve comfort, efficiency and control throughout your property.

Underfloor Heating

Comfortable, even heat with professionally designed and installed underfloor heating.

Radiators

Radiator installation, replacement and heating system improvements.

System Powerflushing

Remove accumulated sludge and debris that can restrict circulation and affect heating performance.

Hot Water Systems

Hot water cylinder installation and solutions designed around your property's demand.

Heating Controls

Modern controls and thermostats for better management of your home's heating.

Learn More About Keystone →

Why Choose Keystone

Why London Homeowners Choose Keystone for Boiler & Heating Services

Trusted boiler and heating support for homeowners, landlords and property professionals across West, South West and Central London.

15+

Years Experience

1,000+

Jobs Completed

5.0

Google Rating

West, SW & Central

Coverage

Gas Safe Heating Engineers

Qualified engineers experienced in boiler, heating and hot water systems.

Gas Safe registered
Experienced engineers
All major boiler brands

Clear Advice & Professional Service

We explain the problem, available options and costs clearly before additional work begins.

Transparent advice
No unnecessary work
Clear pricing

Complete Heating Support

From routine maintenance to new installations and urgent heating problems.

Servicing & repairs
New installations
Same-day support available

Gas Safe Registered · Fully Insured · Quality Workmanship

Get a Free Quote →

How our London plumbing services work

parent with child calling plumber about boiler issues

1. Tell Us What You Need

Tell us what's happening with your boiler or heating system, or what you'd like installed.

Close up of male handyman shaking hands with happy female client while standing at home kitchen

2. We Assess Your System

Our engineer assesses the property, heating system and requirements.

3. Professional Work

The agreed servicing, repair or installation is completed carefully and professionally.

GET STARTED

Areas We Cover

We provide fast, reliable plumbing and heating services across South West and Central London, covering both residential and commercial properties.

Local engineers based across SW & Central London

West London

South West London

Central London

What our customers say

We are accredited

Frequently asked questions

If you can't find the answer to your question here, please don't hesitate to contact us for further assistance.

Most boilers should be professionally serviced once every 12 months to check safe operation, maintain performance and identify developing problems.

Same-day appointments are available depending on engineer availability and location. Contact Keystone as early as possible if you've lost heating or hot water.

Our engineers work with the major boiler manufacturers commonly installed in UK homes, including Worcester Bosch, Vaillant, Ideal, Baxi, Viessmann, Glow-worm and others.

Yes. Keystone provides heating design and installation services covering boilers, radiators, underfloor heating, controls and hot water systems.

Yes. Poor radiator performance can have several causes, including trapped air, system sludge, circulation problems or heating system faults. Our engineers can diagnose the cause and recommend the appropriate solution.

Landlords have legal gas-safety responsibilities for relevant rented properties. Keystone provides professional gas safety inspections and certificates alongside boiler servicing and heating services.

Get in touch with us today for a free quote

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KEYSTONE LONDON

First Floor, 289 Brompton Road

Knightsbridge

London SW3 2DY

About Us

02033 699 999

hello@keystone.london

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Boiler & Heating Services in London

Everything Your Heating System Needs

Boiler Service & Repair

Boiler Installation

Heating Design & Installation

Underfloor Heating

Hot Water Cylinders

Radiator Powerflushing

From Annual Servicing to Complete Boiler Replacement

New boiler installations

Boiler servicing

Boiler repairs

What’s Happening With Your Boiler?

Boiler Losing Pressure

Boiler Leaking

Boiler Won't Ignite

No Heating or Hot Water

Radiators Not Heating

Boiler Pressure Too High

Local Boiler & Heating Engineers in London

Same-Day Help Available

Gas Safe Registered Engineers

All Major Boiler Brands

Diagnosis Before Repair

More Than Just Boilers

Underfloor Heating

Radiators

System Powerflushing

Hot Water Systems

Heating Controls

Why London Homeowners Choose Keystone for Boiler & Heating Services

Gas Safe Heating Engineers

Clear Advice & Professional Service

Complete Heating Support

How our London plumbing services work

1. Tell Us What You Need

2. We Assess Your System

3. Professional Work

Areas We Cover

What our customers say

We are accredited

Frequently asked questions

How often should a boiler be serviced?

Do you provide same-day boiler repairs in London?

What boiler brands do you service and repair?

Do you install complete heating systems?

Can you help if my radiators aren't heating properly?

Do landlords need annual gas safety checks?

Get in touch with us today for a free quote

KEYSTONE LONDON

About Us