Compare first
See boiler models, outputs, manufacturer-cover terms and indicative installed prices before sending an enquiry.
Local Gas Safe boiler installation across South East London and nearby KentNeed help? 0203 633 3558
BOILER REPLACEMENTSOUTH EAST LONDON & KENTGet my priceGas Safe installation in DA5, DA6 and DA7
Boiler replacement in Bexley
Intersmooth helps Bexley homeowners and landlords compare boiler choices before arranging an installation. The online estimate shows standard pricing; our heating team verifies the model and scope before the price becomes fixed.
Local price guide
Indicative installation prices from £2,395 inc. VAT
Boiler location, roof flues, access and system condition can change the cost. We review these points from your answers and photos so the quotation reflects the actual property.
The online range covers Baxi, Viessmann, Worcester Bosch, Ideal and Vaillant combi boilers. All displayed prices are inc. VAT and are based on a standard like-for-like replacement.
What you receive
A clear scope before the installation starts
Technical check
The team reviews the existing boiler, flue route, controls, access and pipework before confirming the specification.
Fixed quotation
Any relocation, conversion, scaffolding or remedial work is identified and priced in writing before you approve it.
Gas Safe handover
The installation is tested, commissioned and registered, with the controls explained before the job is closed.
Common questions
Boiler installation in Bexley
Is the online figure a fixed quote?
No. It is an estimate based on a standard installation. The price becomes fixed after Intersmooth checks the property details and confirms the work in writing.
What if my boiler has already failed?
Select “Immediately – boiler has failed” in the estimator. The enquiry will be flagged as urgent so the team can assess availability promptly.
What is normally included?
- Selected A-rated boiler and standard flue
- Removal of the old boiler
- Magnetic filter, chemical clean and inhibitor
- Suitable controls and carbon monoxide alarm
- Commissioning, registration and handover
Ready to compare?
Find a suitable boiler for your Bexley home
Answer seven questions, compare the current options and send the installation details to the local heating team.
Start my 90-second estimate