JBFWe are a family-run business that provides top-notch plumbing and heating solutions. Contact us today to schedule your appointment or if you require emergency assistance.
Rated Trusted Trader
Is your system boiler ageing or struggling to keep up? Our Gas Safe engineers replace tired system boilers with modern, efficient models — keeping strong hot water flowing to every bathroom. Fixed-price quotes and up to 12-year warranties across Norwich, King’s Lynn & Great Yarmouth.
Fixed-price replacement • Up to 12-year warranty
Call now 07487 701515 or fill out the form below
Trusted & Fully Insured
Spotting the warning signs early means you can replace on your terms — not in the middle of a cold snap when your boiler finally gives up.
System boilers are typically built for a 10–15 year life. Beyond that, efficiency falls and breakdowns become far more likely.
If your cylinder no longer holds enough hot water for the household, your boiler or cylinder may be nearing the end of its life.
A modern A-rated system boiler runs far more efficiently than an older unit, noticeably cutting your monthly running costs.
Radiators taking an age to warm up, or hot water that never quite gets hot, point to a boiler losing its efficiency.
Gurgling, banging or kettling usually means limescale build-up or a failing heat exchanger — costly to repair on an old boiler.
Water around the boiler or cylinder, or pressure you top up every week, signals internal wear that only gets worse.
From your free survey to final commissioning, we make replacing your system boiler simple, fixed-price and stress-free — with warranties that give you real peace of mind.
Premium system boilers from the brands you trust, fitted to manufacturer spec so you unlock the longest warranties available.
Extended manufacturer warranties on Worcester Bosch, Vaillant, Ideal & Baxi system boilers when we install them — fully registered on your behalf.
Every system boiler replacement is backed by a minimum 12-month workmanship guarantee on top of your manufacturer warranty.
A clear, fixed price up front and a boiler correctly sized for your household by Gas Safe registered engineers.
System boilers deliver stored hot water to several taps at once — we’ll size yours to match how your household actually uses hot water.
Free, no-obligation survey with a written fixed price — no hidden extras and no pressure to commit.
We remove and responsibly dispose of your old boiler, flush the system and fully commission your new one.
Honest feedback from Norfolk homeowners who've had us in their homes.
"James and Brandon have been prompt and helpful with three separate minor plumbing issues over the last year, and we've always been very grateful for their professional and cheerful attitude. Recommended. "
"Can’t recommend this company enough. I had been let down on having my bathroom refurbed. They were amazing, turned up the next day. Quick, efficient and cost less than I’d been originally quoted. Left my new bathroom sparkling and the customer care is amazing. Restores my faith in genuine people and genuine companies. I’ll be sure to recommend you to near and far. Thank you once again."
"Been calling out JBF for years, always a brilliant service. Approachable, friendly. Always get here quickly if something is broken or not working. Recently had a full refurbishment done on my bathroom too, really happy with it."
"James and Brandon have been prompt and helpful with three separate minor plumbing issues over the last year, and we've always been very grateful for their professional and cheerful attitude. Recommended. "
"Can’t recommend this company enough. I had been let down on having my bathroom refurbed. They were amazing, turned up the next day. Quick, efficient and cost less than I’d been originally quoted. Left my new bathroom sparkling and the customer care is amazing. Restores my faith in genuine people and genuine companies. I’ll be sure to recommend you to near and far. Thank you once again."
"Been calling out JBF for years, always a brilliant service. Approachable, friendly. Always get here quickly if something is broken or not working. Recently had a full refurbishment done on my bathroom too, really happy with it."
Every home is different. On your free survey we’ll recommend the best route for your property, hot water demand and budget.
The quickest, most affordable option — a modern, efficient system boiler fitted in place of your old one, keeping your existing cylinder where it’s in good order.
Pairing a new system boiler with a modern, well-insulated cylinder maximises efficiency and gives you faster, longer-lasting hot water.
If your household has fewer bathrooms now, we can convert to a space-saving combi and remove the cylinder entirely.
From your first call to final handover, we make boiler installation stress-free. Our experienced Gas Safe registered engineers guide you through every step of the process.
Contact us for your free, no-obligation quote. We'll discuss your needs and arrange a convenient home survey at a time that suits you.
Our Gas Safe registered engineer visits your property to assess your heating needs, measure spaces, and recommend the perfect boiler for your home.
Once you accept our quote, we'll schedule your installation at your convenience and ensure we have everything ready for a smooth process.
Our experienced engineers arrive on time to complete your boiler installation professionally, including old boiler removal and full system commissioning.
Comprehensive testing ensures everything works perfectly. We'll show you how to operate your new boiler and provide all certificates and warranties.