Engineer carrying out a Boiler Installation & Replacement in West London

Local Experts You Can Trust

Boiler Installation & Replacement in
West London

Installing a new boiler or replacing an old one? Our Gas Safe engineers handle it from start to finish, with a clear, no-obligation quote before any work begins. Trusted across West London.

5.0 211 reviews on G o o g l e
Citywide Plumbers engineer checking a boiler system

Our track record

Proven Results

Our gas engineers are here for you

  • 12+ years in business
  • 10+ engineers on the road
  • 1200+ boiler repairs last year
  • 3800+ plumbing jobs undertaken and repaired

Why choose Citywide Plumbers

Advantages

  • Fast emergency call-out, same day

    When you’ve got no heating or hot water, waiting isn’t an option. Our engineers aim to be with you the same day you call.

  • No call-out charge

    You only pay for the work carried out, not for us to show up. Fair, transparent pricing from the start.

  • Free estimate before we start

    Send us the details of the issue and we’ll give you an estimate upfront, so you know what to expect before we arrive.

  • Local engineers, not a call centre

    You’re dealing with a dedicated local team, not a national enterprise passing you between departments. Personal service, every time.

  • Fully certified and compliant

    Our engineers are Gas Safe registered, Commercial Safe registered, and hold G3 and Hot Water Systems Safety certification.

  • Customers who stay with us

    Once you work with us, you won’t need to look elsewhere. Most of our clients become long-term customers.

Citywide Plumbers engineer working on a boiler

Fast. Reliable. Professional.

What's Included in Our Boiler Installation & Replacement Service

Whether it's a new boiler installation or a full boiler replacement, our Gas Safe engineers manage the whole job from start to finish: a clear, no-surprises process so you know exactly what you're getting.

Our service includes:

  • Full home assessment to recommend the right boiler size and type
  • Removal and safe disposal of your old boiler (where applicable)
  • Complete installation by Gas Safe registered engineers
  • System flush and cleanse to protect your new boiler
  • Testing and commissioning before we leave
  • Paperwork and building compliance certificates

Benefits of a New Boiler Installation

A new boiler does more than fix a breakdown. Modern systems run more efficiently, keeping your energy bills lower and your hot water more reliable, while cutting the risk of the leaks, noise and faults that come with an ageing unit. You'll also get the reassurance of a manufacturer warranty and a system that's safer to run day to day.

Modern wall-mounted boiler with neatly arranged pipework in a home utility room

Step by step

How Our Boiler Installation Service Works

From your call to the job done, here's what to expect

  1. Contact Us

    Call us or fill out the form to book your boiler installation or replacement. We cover West London.

  2. Home Assessment

    We'll arrange a time to assess your home and recommend the right boiler installation or replacement for your needs.

  3. Engineer Arrives

    Our Gas Safe engineer carries out the installation, keeping you updated throughout and explaining everything as they go.

  4. Job Complete

    Your new boiler is tested, commissioned, and ready to use, with all paperwork and certificates provided.

Same-day emergency boiler repair

Areas we cover:

West London areas covered by Citywide Plumbers Illustrative service areas covering Ealing, Hammersmith, Chiswick, Fulham, Shepherd's Bush, Acton, Notting Hill, Chelsea and Kensington. Ealing Hammersmith Chiswick Fulham Shepherd's Bush Acton Notting Hill Chelsea Kensington

Illustrative service areas © OpenStreetMap contributors

Reviews

Trusted by West London Homeowners

Seema

We used City Wide Plumbing twice — once for a boiler service and again for a drain blockage in our sinks. Both times, the work was professional and completed to a high standard. A special mention to Pasha, who was extremely professional and attentive, staying with us throughout until the job was fully completed. Highly recommend!
10.06.2026

Arianit

Fantastic service! Pasha came out for our annual boiler service and did a very professional job. Pasha has always been reliable and goes above and beyond with every job leaving everything clean and tidy. Highly recommend!
1.10.2026

Thomas

Pasha was able to diagnose and repair our boiler very quickly and efficiently. Highly recommended.
1.06.2026

Reviews 1 to 3 of 3

FAQ

Boiler Installation FAQs

How much does a new boiler installation cost?

Costs vary depending on the boiler type, your home's size, and whether it's a straight swap or a more complex installation. We provide a free, no-obligation quote after assessing your specific needs.

How long does a boiler installation take?

Most straightforward combi boiler replacements are completed in a day. More complex installations, such as converting from a different system type, may take longer — we'll confirm timing during your assessment.

Do you remove and dispose of my old boiler?

Yes, we safely remove and dispose of your old boiler as part of the installation service.

Are your engineers Gas Safe registered?

Yes, all our engineers are Gas Safe registered, and all installations are fully compliant with UK safety standards.

What type of boiler is best for my home?

It depends on your property size, hot water demand, and existing system. During your assessment, we'll recommend the right combi, system, or regular boiler for your needs.

Do you install Worcester Bosch and Vaillant boilers?

Yes, we install and service all major boiler brands, including Worcester Bosch and Vaillant.

Is a warranty included with a new boiler installation?

Yes, new boilers come with a manufacturer's warranty, and our installation work is fully guaranteed.

Do you offer boiler installation near me?

We cover Fulham, Chelsea, Kensington, Hammersmith, Ealing, Notting Hill, Shepherd's Bush, Chiswick, Acton and across West London.

Can you install a boiler the same week I contact you?

In most cases, yes — get in touch and we'll confirm the earliest available appointment for your installation.

How do I book a boiler installation?

Simply call us or fill out our online form. We'll arrange a home assessment and provide a clear quote before any work begins.

Brands

Boiler Brands We Repair

Our Gas Safe engineers are experienced with all major boiler manufacturers

Boilers

Boiler Types We Repair

Whatever boiler you have, our engineers can help

Combi boiler illustration

Combi Boilers

Combi boilers heat water on demand from a single unit, common in flats and smaller homes. We diagnose and repair issues from pressure loss to ignition faults.

Heat only boiler with a separate tank and cylinder illustration

Heat Only Boilers

Also known as regular or conventional boilers, these use a separate tank and cylinder. We service and repair heat only systems, including older models.

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