Expert boiler repair, installation & leak detection by Gas Safe registered engineers. Same-week service with a 12-month warranty on all work.
From boiler repairs to new installations and leak detection — we handle it all.
Expert boiler repair by Gas Safe engineers. Fast diagnostics and same-day emergency service available.
From £99New boiler supply, replacement, relocation & system conversion. All major brands with up to 10-year warranty.
From £1,499Professional leak detection and repair services. Fast response to protect your property from water damage.
From £79Landlord gas safety certificates. Same-day CP12 issued on site by Gas Safe engineers.
From £59Commercial boiler installation, repair, gas safety certificates & maintenance for businesses across London.
From £79Over 2,500 installations and counting — here's why customers choose Befix.
All our engineers are Gas Safe registered and fully insured. Every job meets the highest UK safety standards.
Book your appointment and get your boiler fixed or installed within the same week. We don't keep you waiting.
We repair and install Worcester Bosch, Vaillant, Baxi, Ideal, Viessmann and more. Brand-independent advice.
All engineers are Gas Safe registered, fully qualified and carry the latest diagnostic equipment.
Fixed-price quotes with no hidden fees. What we quote is what you pay — guaranteed.
Comprehensive workmanship warranty on every repair and installation, on top of the manufacturer warranty.
From enquiry to completion in as little as 3 days.
Fill out our quick form or call us. Receive a no-obligation quote within 24 hours.
Our Gas Safe engineer visits to diagnose the issue and confirm a fixed price.
Your boiler is expertly repaired or installed with full Gas Safe certification.
We test everything, register your warranty, and ensure your heating works perfectly.
Rated 4.9/5 by 500+ London homeowners
Free quotes, same-week service, and Gas Safe certified engineers across London.
No hidden fees. Fixed-price quotes with everything included. Choose the plan that suits your property.
Finance Available
Spread the cost of your new installation. No deposit required. Subject to status.
Representative 11.9% APR
Representative example: £2,300 credit over 84 months, 84 monthly repayments of £39.74, total amount payable £3,337.80. Representative 11.9% APR.
BeFix Limited is an Introducer Appointed Representative of TradeHelp (FRN 1054832). Full regulatory information »
Gas Safe registered engineers, Gas Safe certification, and a 3-year workmanship warranty on every installation.
Not sure which boiler is right for you? We'll recommend the best option during your free assessment.
Wherever you are in London, we've got you covered. Our team of local Gas Safe engineers provides same-week boiler services across every borough.
View all areasExpert advice, guides, and news about boiler services and boilers.
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Read moreA detailed comparison of the UK's two most popular boiler brands to help you choose the right one for your home.
Read moreReal jobs completed by our Gas Safe engineers across London.
Commercial heating maintenance carried out, system inspected and tested to ensure safe operation.
Commercial catering appliance serviced, inspected, and tested to ensure safe and efficient operation.
Commercial heating system serviced and maintained, including full checks and performance testing.
Full boiler service carried out, including checks, cleaning, and performance testing.
Boiler serviced, inspected, and tested to ensure safe and efficient operation.
Underfloor heating system serviced, manifold checked, and operation tested.
See what real customers say about BeFix on Google.
Everything you need to know about boiler services.
Still have questions?
Join over 2,500 London homeowners and businesses who trust Befix. Get a free, no-obligation quote today — most installations completed within the week.
Takes less than 2 minutes
Select the property type where you need boiler services.
This helps us understand what service you need.
Select the service that best describes what you require.
This helps us plan the best time for your service.
We'll use these to send you a personalised quote.
0% APR available — we'll get back to you within 24 hours
