Gas & Boilers
New Boiler Installation in North & West London
A new boiler, chosen for your home and fitted properly. We recommend the right boiler and give you a fixed written price before any work starts.

The right boiler depends on the size of your home, how many bathrooms you have and how your household uses hot water. A boiler that is too small struggles on busy mornings. One that is too big wastes gas. We look at all of it before quoting, explain the options in plain English and recommend what fits.
Once you are happy with the quote, we agree a date and fit the new boiler with straight, tidy pipework. We commission it, check every radiator heats up, set up the controls and show you how everything works before we leave. All gas work is carried out by Gas Safe registered engineers.
What a boiler installation includes
- Assessment of your heating and hot water
- Advice on combi, system or regular boilers for your home
- Removing the old boiler and fitting the new one
- New flue and the pipework alterations the boiler needs
- Cleaning the system so the new boiler starts on clean water
- Setting up thermostats and controls, including smart controls
- Commissioning, testing and a full handover
Signs it may be time for a new boiler
- Your boiler is breaking down more often or needs expensive parts
- Hot water runs out or the heating takes a long time to warm up
- Energy bills keep rising without any change in how you use it
- Engineers have warned that parts are getting hard to find
- You are renovating, adding a bathroom or changing how you use the house
What affects the price
The cost depends on the type and size of boiler, whether it stays in the same place, how much pipework needs changing and which controls you choose. Moving a boiler or converting from a regular system to a combi takes more work than a like-for-like swap. Once we have seen the job, you receive one fixed, written price, so you know the full cost before anything starts.
“My old boiler packed up and Andreas installed a new boiler for me. The job was tidy and done exactly how I asked him. Whole job done in one day with reasonable price.”
Fahad IqbalNew boilerHow it works
Three steps, no surprises
Tell us what you need
Call or send an enquiry. We look at the job and the existing system, and talk through what you want.
Fixed written quote
You receive a clear quote with a fixed price and a start date. Nothing begins until you agree it.
Work and handover
We do the work carefully, test everything, tidy up and show you how it all works.
Questions
New Boiler Installation: common questions
How long does a new boiler installation take?
A like-for-like boiler swap is often done in a day. Moving the boiler, changing the system type or replacing pipework can take longer. We give you a clear timescale with your quote, so you know when you will be without heating and hot water.
Do I need a combi or a system boiler?
It depends on your home and how many people use hot water at once. Combi boilers suit many flats and smaller homes because they heat water on demand. Larger homes with several bathrooms often need a system or regular boiler with a hot water cylinder. We recommend the right one after seeing your home.
Can you move my boiler to a different room?
Yes, in most homes the boiler can be moved, for example from a kitchen into a cupboard or loft. It needs a suitable flue route and new pipework, which we check during the visit and include in the quote.
Are you Gas Safe registered?
Yes. MST Plumbing & Heating is on the Gas Safe Register, registration number 632854, and every boiler installation is carried out by Gas Safe registered engineers.
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Get a free quote for new boiler installation
Tell us about the job and we will send you a free, fixed written quote.
- Gas Safe registered, no. 632854
- Free, fixed written quote
- Rated 4.9 from 37 Google reviews
- Or call us on 07584 302002
