Professional heating & plumbing solutions from fully qualified Gas Safe engineers. From boiler breakdowns to full system installations — fast response, fixed right, guaranteed.
Boilers Serviced & Installed
Industry Experience
Emergency Line Available
Customer Satisfaction Rate
From emergency repairs to full system replacements — our Gas Safe engineers handle every aspect of your home heating and plumbing needs.
Fast diagnosis and repair of all boiler makes and models. Annual services to keep your boiler running efficiently and safely all year long.
See Pricing →Supply and installation of A-rated energy efficient boilers. Free home survey included. All major brands available with full aftercare warranty.
Get a Free Quote →Landlord CP12 Gas Safety Checks. Certificate issued same day. Legally required annually for all rental properties. Fully compliant with UK regulations.
See Pricing →Leak repairs, bathroom repairs, pipework and more — all resolved by qualified plumbers with fully transparent, upfront rates. No hidden charges.
See Pricing →Full system power flush to remove sludge, rust, and debris from your central heating. Dramatically improves efficiency and extends boiler life.
See Pricing →Professional wet underfloor heating installation. Ideal for new builds and renovations. All room sizes and floor types covered with a 10-year guarantee.
Get a Free Quote →All prices are indicative starting rates for 2026. Final quotes depend on site inspection. VAT, parking & congestion charges may apply where applicable. We always provide a fixed price before starting any work.
We've built our reputation on honest advice, quality workmanship, and fair pricing. When you call Steadfast Heat Fix, you get a team that genuinely cares about keeping your family warm.
Average sub-2 hour emergency response across London. 24/7 availability.
Fixed quotes upfront. No call-out fees, no hidden extras — ever.
Gas Safe registered engineers with up-to-date qualifications and insurance.
Worcester, Vaillant, Baxi, Ideal, Viessmann & all major brands covered.
Getting your heating fixed has never been easier. Four steps to a warm, comfortable home.
Call 020 3887 4364, WhatsApp, or fill in our online form. We'll advise you instantly.
We provide a clear, upfront fixed-price quote. You only proceed if you're happy with it.
Our Gas Safe engineer arrives on time, diagnoses accurately, and completes to the highest standard.
Enjoy guaranteed peace of mind with our 12-month parts & labour warranty on every job.
Real reviews from real customers across London and surrounding areas.
Boiler packed in on a cold Sunday evening. Called Steadfast and they had an engineer with me within 90 minutes. Fixed the same night. Absolutely incredible service!
New boiler installed last month. From free survey to final sign-off, the whole experience was seamless. Great value and everything left spotless. Highly recommend.
As a landlord with 12 properties I need annual CP12s done fast. Steadfast are always on time, the certificates come through immediately and pricing is very fair.
Power flush transformed our central heating — radiators are now all hot for the first time in years. Brilliant job, professional team, very fair price. Couldn't be happier.
They gave me honest advice — told me the repair was better value than a replacement and saved me nearly £700. So refreshing to deal with a company you can actually trust.
Emergency leak fixed within 2 hours. The engineer was polite, explained everything clearly, and the price was exactly as quoted. No stress, no nonsense. Brilliant company.
Based in London, we cover all major boroughs and surrounding areas. Fast response times because we're always nearby.
Not sure if we cover your postcode? Call 020 3887 4364 →
London Coverage Area
Serving all London boroughs
and surrounding areas
Whether it's a breakdown at midnight or a planned boiler upgrade, Steadfast Heat Fix is here for you. Call now or request a quote online.
Everything you need to know before booking.
Fill in the form below and we'll respond within 1 hour during business hours. Emergency? Call us directly.