Professional Boiler Installation South London

Gas Safe Registered Engineers

10+ Years Serving South London Homes

Fixed, Transparent Pricing – No Hidden Costs

Emergency Call-Outs Available

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Our Boiler Installation Services

Whether your boiler’s packed in or you’re just ready for an upgrade, our South London team is here to help. From brand-new installs to replacements and eco-friendly options, we make boiler installation simple, stress-free, and built around your home.

New Boiler Installation

Get a brand-new, high-efficiency boiler installed to perfectly suit your home’s heating needs.

Boiler Replacement

Replace outdated or faulty boilers with a reliable system that saves energy and money.

System Conversions

Upgrade to the right boiler type — combi, system, or regular — for comfort and efficiency.

Trusted Boiler Brands We Install

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Award-winning boilers known for reliability and energy efficiency — a favourite choice for South London homes.

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Great value boilers with modern technology, designed to suit a wide range of budgets and properties.

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German-engineered for top performance and efficiency — trusted by homeowners across South London.

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Client Testimonials

Lead mains pipe leaking repair

Teddy was professional throughout the whole experience. Arrived on time for an initial inspection and was able to complete the job then and there. Very happy with the service, would highly recommend.

Job location: SW8
Checkatrade Reviewer

Fix dripping bathroom sink

Teddy was very friendly and kept me informed as the work was progressing and it turned out a replacement part was needed. He quickly got the new part, fitted it and cleaned everything up. Very pleased with the job he did and would happily use him again.

Job location: SM7
Checkatrade Reviewer

Highly Recommended 10/10

I was let down by two other companies, both through Checkatrade, however, super happy they did as Teddy from T.G.M attended and had the job done in no time. Friendly and very professional and I highly recommend to anyone looking for a plumber. 10/10

Job location: SE23
Checkatrade Reviewer

Replacement of TRV

Really appreciate Teddy’s communication and excellent work. Contacted due to TRV leaking in upstairs bedroom. Came out quickly and completed the work to excellent standard. Really dependable and would easily recommend.

Job location: SM4
Checkatrade Reviewer

Tap & Shower replacement

Work was done quickly & efficiently – can recommend this company.

Job location: W1W
Checkatrade Reviewer

Lead mains pipe leaking repair

Teddy was professional throughout the whole experience. Arrived on time for an initial inspection and was able to complete the job then and there. Very happy with the service, would highly recommend.

Job location: SW8
Checkatrade Reviewer

Fix dripping bathroom sink

Teddy was very friendly and kept me informed as the work was progressing and it turned out a replacement part was needed. He quickly got the new part, fitted it and cleaned everything up. Very pleased with the job he did and would happily use him again.

Job location: SM7
Checkatrade Reviewer

Highly Recommended 10/10

I was let down by two other companies, both through Checkatrade, however, super happy they did as Teddy from T.G.M attended and had the job done in no time. Friendly and very professional and I highly recommend to anyone looking for a plumber. 10/10

Job location: SE23
Checkatrade Reviewer

Replacement of TRV

Really appreciate Teddy’s communication and excellent work. Contacted due to TRV leaking in upstairs bedroom. Came out quickly and completed the work to excellent standard. Really dependable and would easily recommend.

Job location: SM4
Checkatrade Reviewer

Tap & Shower replacement

Work was done quickly & efficiently – can recommend this company.

Job location: W1W
Checkatrade Reviewer

Lead mains pipe leaking repair

Teddy was professional throughout the whole experience. Arrived on time for an initial inspection and was able to complete the job then and there. Very happy with the service, would highly recommend.

Job location: SW8
Checkatrade Reviewer

Fix dripping bathroom sink

Teddy was very friendly and kept me informed as the work was progressing and it turned out a replacement part was needed. He quickly got the new part, fitted it and cleaned everything up. Very pleased with the job he did and would happily use him again.

Job location: SM7
Checkatrade Reviewer

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Just 3 Simple Steps to Get Your Plumbing or Heating Problem Sorted

1. Book Your Free Survey

Tell us about your heating needs and we’ll arrange a free home visit or quick video call to get things started.

2. Get a Fixed Quote

We’ll recommend the right boiler for your South London home and give you a clear, upfront price — no hidden fees.

3. Professional Installation

Our Gas Safe engineers fit your new boiler quickly, cleanly, and properly — with full warranty and aftercare.

BOOK VIDEO SURVEY

SOUTH LONDONWhy Choose Our South London Trusts TGM in an Emergency

Same-Day Appointments

Need it sorted quickly? We offer same-day and next-day slots where possible.

Free Quotes & Video Surveys

Quick quote over WhatsApp or a free video call — no pressure, no hidden costs.

Gas Safe Registered Engineers

Every job is handled by fully qualified, experienced professionals. No shortcuts, no cowboys.

Clean, Respectful Service

We turn up on time, take care of your home, and clean up properly before we leave.

No Call-Out Charges

You won’t pay a penny just for us to knock on the door. We only charge for the work we do.

Highly Rated Locally

Hundreds of five-star reviews from real South London customers on Checkatrade, Google and Trustpilot.

Read Our Blogs

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January 9, 2018

Sanitary

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January 9, 2018

Sanitary

Different Types of Plumbing Control

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Frequently Asked QuestionsFAQs: Boiler Installation South London

1

How much does a new boiler installation cost in South London?

A new boiler typically starts from around £2500, depending on the type and brand. We provide free, fixed quotes so you know the exact cost before we begin.

2

How long does it take to install a new boiler?

Most boiler installations in South London are completed within 1–2 days, though system conversions may take longer.

3

How long does it take to install a new boiler?

Most boiler installations in South London are completed within 1–2 days, though system conversions may take longer.

4

Which boiler brands do you install?

We fit leading brands including Worcester Bosch, Vaillant, and Ideal, all with full manufacturer warranties.

5

Are your engineers Gas Safe registered?

Absolutely — all our engineers are fully qualified and Gas Safe registered for your safety and peace of mind.

6

Can you replace my old boiler with a combi boiler?

Yes, we handle full system conversions, including upgrading to space-saving combi boilers.

7

Do you offer emergency boiler installation?

If your boiler has broken down completely, we can arrange fast-track installations to get your heating and hot water back quickly.