
Boiler Installation in Sutton
Fixed-price quotes, no hidden fees, and up to 18-year manufacturer guarantees on selected boilers.
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Open 7 daysMon to Fri until 6pm, weekends 10am to 3pm
Greater London
We have worked across Sutton, Carshalton and Wallington for years with repeat customers in all three. It is far enough out that our focus is installations, larger repairs and emergencies, though we take on routine work such as servicing here too.
Local knowledge
Predominantly inter-war suburban semis and terraces, Victorian property in the older centres of Carshalton and Cheam, and a growing number of flat conversions. The inter-war stock is the majority and much of it has heating that has been added to and altered repeatedly without ever being properly rebalanced.
The recurring problem in Sutton, Carshalton and Wallington is inter-war housing where the heating has been extended piecemeal across several decades. Radiators get added, a downstairs toilet gets plumbed in, a kitchen gets reconfigured, and nobody ever rebalances the system afterwards. The result is a house where the far end never heats properly and the boiler runs constantly trying to compensate.
Leave the property, do not touch any switches, then call the National Gas Emergency Service on 0800 111 999. Once it is made safe, call us and we will handle the repair and recommissioning as Gas Safe registered engineers.
What we do here

Fixed-price quotes, no hidden fees, and up to 18-year manufacturer guarantees on selected boilers.
EmergencyBurst pipes, active leaks, no heat, no hot water. Gas Safe registered and answering the phone 7 days a week.
EmergencyLockouts, error codes, pressure loss and no hot water. Diagnosed properly and priced before we touch anything.

Full bathroom fit outs, shower rooms and en suites. Fixed price, proper waterproofing, tidy work.

Adey trained, using MagnaCleanse. Removes the magnetite sludge that is blocking your radiators and straining your boiler.
Reviews
Super helpful and responsive and aided me in making decisions on work needed. Professional and thorough through out, from job completion to clean up. Would highly recommend
Efficient and fair price. Will definitely recommend David for the maintenance of boiler
Great service, and the price was almost half of other quotes provided for the same work. Have already discussed further work.
Questions
Mostly installations, larger repairs and emergencies. At around 45 minutes north of our Crawley base, Sutton is far enough out that this is the work we focus on: new boilers, bathroom installations, powerflushes, major boiler repairs and urgent call-outs. Routine work such as a boiler service or a gas safety certificate is available in Sutton too, so ask if that is what you need.
Yes. We cover Sutton itself, SM1, SM2 and SM3, which takes in Cheam and Belmont, as well as neighbouring Carshalton, Wallington and Worcester Park. We have repeat customers in Sutton, Carshalton and Wallington going back years. We survey every installation in person, so the fixed quote reflects your actual house rather than a guess over the phone.
Usually not. In inter-war semis across Sutton, Carshalton and Wallington, the heating has typically been added to for decades: a radiator here, a new cloakroom there, a kitchen moved, and nobody ever rebalanced it. The rooms furthest from the boiler lose out and the boiler works flat out trying to make up for it. Rebalancing, plus a clean where the system water is dirty, often fixes it without a new boiler.
A powerflush starts from £400, typically £400 to £780 for an average three-bedroom home, with the final figure set by how many radiators you have and the state of the system water. You get the fixed figure before we start, and we are Adey trained (MagnaCleanse). On an older inter-war system it is often worth doing before a new boiler goes on, because a dirty system is a common reason warranty claims get refused.
Yes, emergencies are among the work we take on in Sutton, but we are around 45 minutes away and will not promise a quick arrival. Call and we will tell you honestly when we could be there, and whether a closer engineer would reach you sooner. If you live in one of Sutton's flat conversions, find your stopcock or isolation valve now, before you need it.
Gas Safe registered, fixed prices, and open seven days a week. Tell us what is wrong and we will tell you what it costs.