New boiler installation and replacement

Free for homeowners - tell us what is happening and we will get local pros on it.

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New boiler installation and replacement

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Heating & Boiler Engineers

New boiler installation and replacement

New boiler installation and replacement - local professional at work

Professional installation of new boilers or replacement of existing units, including system design and setup. Performed by Gas Safe registered engineers with experience across all major boiler brands. Includes: – Supply and installation of combi, system, or regular boilers – Removal and safe disposal of old boiler units – Upgrades from conventional to combi or system boiler setups – Installation of new pipework, flue, and controls as required – System flush and chemical treatment before commissioning – Manufacturer registration and warranty activation Ideal for: homeowners replacing an old or inefficient boiler, upgrading their heating system, or installing heating in a new property.

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Answer a few quick questions and we match you with local pros who cover your postcode and provide the service you need.

How much does new boiler installation and replacement cost in London?

Electric boiler, no gas at the property£1,500 - £3,300

Swap a combi for a new combi£2,000 - £3,500

Replace a system or conventional boiler£2,300 - £4,000

Convert to a combi, removing the tanks£3,000 - £5,000

Replace a back boiler behind a fireplace£3,500 - £6,000

A guide range for this kind of job, based on London market rates. It is not a quote - the quotes your pros give you are the real answer, and they are free.

What moves the price

boiler type/brand
conversion, flue or relocation complexity

How you get a real price

Tell us what the job involves and we pass it to local professionals who cover your postcode. They contact you directly with their own quotes, so you can compare real prices for your actual job. It is free for homeowners and there is no obligation.

Get my real price - two quick taps

Pros-AI, smart tool to get the right pro.

Local tradespeople covering your area, for jobs large and small.

How it works 4 steps

You’ll see who we’ve matched you with before anyone gets in touch.

Step 1Search for the service you need.

Step 2Fill out a short questionnaire so we can match you accurately.

Step 3Select the number of quotes you'd like to receive and when you would like to receive them.

Step 4We match you with pros who cover your area and provide that service, and they get in touch.