Boiler Installation in London

Gas Safe registered engineers installing new boilers for homes and businesses across London. Accredited by leading manufacturers.

Get a Boiler Quote

Request a Boiler Installation Quote

Trusted By

Rate 4.5 on Trustpilot / Gas safe

Fully Insured – Work Guranteed

New Boiler Installation for Homes & Businesses

Expert installation: Our Gas Safe registered engineers install all major boiler brands including Ideal, Vaillant, Worcester Bosch, Baxi, Keston and Potterton.
Full system upgrades: From a straightforward boiler swap to a complete central heating system installation, our engineers handle projects of all sizes to the WEFIX standard.
Warranty and aftercare: New boiler installations come with up to 12 years manufacturer warranty. All workmanship is guaranteed. Your call is always answered by real people, not an automated system.

10% Discount on labour for Pimlico Plumber customers

If you’ve had a quote from Pimlico or you’re an existing customer we’ll beat their labour price

Valid for verified Pimlico quotes or customers. Labour discount only, parts excluded.

What We Fix

From combi boiler swaps to full central heating systems, our accredited engineers handle it all.

Not sure what you need? Speak to a member of our team and we’ll guide you.

Boiler Installation

New boiler installations by Gas Safe accredited engineers across London.

Heating Systems

Complete heating system installations and upgrades.

Why Choose WEFIX London

Gas Safe registered engineers: Every heating engineer is Gas Safe registered, fully qualified and has at least 10 years experience.
Accredited manufacturer installers: Accredited installers for Ideal, Vaillant, Worcester Bosch, Baxi, Keston, Potterton and more.
Up to 12-year manufacturer warranty: New boiler installations come with up to 12 years manufacturer warranty on parts and labour.
Clear pricing & no hidden charges: Invoices show a full breakdown of labour and materials. No surprises.
Workmanship guaranteed: All installation work is carried out to the highest standard and guaranteed by WEFIX.
Clean, tidy installation: Dust sheets and overshoes always used. Old boiler removed. Property left clean and tidy.

Customer Reviews

How It Works

Book now / Chat now

Start by calling 020 7889 1111 or using the online chat.

Call answered by real people

Our London call centre answers every call. They’ll give you the engineer’s name, photo and vehicle registration.

Engineer attends

A Gas Safe registered engineer arrives at your property. They wear WEFIX uniform, carry photo ID and drive a liveried vehicle.

Invoice & Guarantee

After the job, you receive a detailed invoice with a breakdown of labour and materials. Work is guaranteed for 18 months.

Accredited Installers

Invoice / Transparent breakdown

You’ll get clear pricing before any work starts. No hidden charges. No surprises.

FAQ's

How quickly can you install a new boiler?

We can typically carry out a survey within 24-48 hours and schedule installation shortly after. For straightforward boiler swaps, installation can often be completed in a single day.

What boiler brands do you install?

We are accredited installers for Ideal, Vaillant, Worcester Bosch, Baxi, Keston, Potterton, Glow-worm and more. We can advise on the best boiler for your property and budget.

Are your engineers Gas Safe registered?

Yes. Every heating engineer is Gas Safe registered and fully insured. All have at least 10 years experience, wear WEFIX uniforms, carry photo ID and drive liveried vehicles.

What warranty do I get with a new boiler?

New boiler installations come with up to 12 years manufacturer warranty. All WEFIX workmanship is separately guaranteed.

Do you offer finance or payment plans?

Please call us to discuss payment options for your boiler installation. We are happy to provide a full written quote before any work begins.

Can you install a boiler in any property?

Yes. We install boilers in houses, flats, maisonettes, commercial properties and new builds across London. Our engineers will survey the property and recommend the best solution.

Excellent

Excellent customer reviews

100% ★★★★★348 reviews

Trustpilot - Excellent

Boiler Installation in London

Gas Safe registered engineers installing new boilers for homes and businesses across London. Accredited by leading manufacturers.

Get a Boiler Quote

New Boiler Installation for Homes & Businesses

10% Discount on labour for Pimlico Plumber customers

What We Install

Combi boiler installation

System boiler installation

Regular boiler installation

Boiler replacement & upgrades

Central heating systems

Radiator installation

Underfloor heating