Replace Your Old Boiler With a New A-Rated Boiler
If your boiler is unreliable, inefficient or becoming expensive to repair, get a FREE, no-obligation replacement quote from BeSure.
Free replacement quote
A-rated boiler options
Gas Safe registered installation
Fast installation options
Choose From Leading Boiler Brands
When Should You Replace Your Boiler?
You may want to consider replacing your boiler if it breaks down frequently, repair costs are increasing or your heating bills have started to rise. An older or inefficient boiler can become less reliable over time, especially when replacement parts become difficult or expensive to source. Repeated heating or hot-water problems may also indicate that continuing to repair the system is no longer the most cost-effective option.
BeSure can help you compare suitable A-rated replacement boilers and provide a clear, no-obligation quote based on your home, heating requirements and existing system.
Boiler Repair or Replacement?
A repair may make sense if your boiler is relatively new, reliable and inexpensive to fix. Replacement may offer better long-term value if it regularly breaks down, parts are difficult to source or repair costs continue to increase.
BeSure can help you compare suitable A-rated boilers and provide a clear, no-obligation installation quote.
Local, vetted, and trusted gas safe installers – no cold calls, no hassle.
Switch to an A-Rated boiler and save over £400 a year on your annual heating bills*
What's Included in Boiler Installation?
How Much Does Boiler Replacement Cost?
The cost of replacing a boiler depends on the type, brand and output required, as well as your existing heating system. The boiler’s location, any pipework changes, installation requirements and removal of the old unit can also affect the final price.
BeSure will assess your requirements and provide a clear, personalised quote covering the boiler and professional installation.
We offer a comprehensive quote. All our quotes include
New A-rated boiler – A modern, energy-efficient boiler selected to suit your home and heating requirements.
All essential installation components – Including the necessary pipework, fittings, flue components, controls and thermostat required for your installation.
Professional installation – Your new boiler will be fitted, tested and commissioned to ensure it operates safely and correctly.
Gas Safe registered engineer – All gas-related work will be completed by a suitably qualified Gas Safe registered engineer.
Removal of your old boiler – Where included, we’ll disconnect, remove and responsibly dispose of your existing boiler.
Extended manufacturer warranty – Eligible boilers include an extended warranty for additional long-term reassurance. The available warranty length depends on the manufacturer and model selected.
Clear pricing – You’ll receive a personalised price with the work and components included clearly explained before you proceed.
Our easy replacement installation process
It’s not what we do but how we do it that makes us better than the rest...
Step 1
We ask a few simple questions about your home to help us to work out which size and type of boilers are best suited for you.
Step 2
We’ll provide you a range of suitable boiler options. Everything you'll need is included in your price.
Step 3
A gas safe engineer local to you will arrive on your requested install day with your selected boiler and begin the installation.
Once installation is complete, we'll get it registered with Gas Safe for you, & we'll even register your new boiler with the manufacturer too to begin your warranty cover.
Thousands of Homeowners Have Already Chosen BeSure
From your first quote to installation day, our team makes replacing your boiler simple. See why thousands of homeowners have trusted BeSure with their heating.
FAQs
-
Yes. You're dealing directly with BeSure and only our team will contact you about your enquiry.
-
Only BeSure staff. Your details aren't passed to other boiler companies.
-
A combi (combination) boiler provides both central heating and hot water from one compact unit. It heats water directly from the mains when you turn on a tap, so there’s no need for a separate hot water cylinder or cold water storage tank.
Heats water directly from the mains – Hot water is delivered on demand, so you don’t have to wait for a tank to refill or reheat.
No hot water cylinder required – Frees up cupboard or loft space, making it ideal for homes where space is limited.
Compact and space-saving – Most combi boilers fit neatly into a kitchen cupboard.
Energy efficient – Because water is heated only when needed, combi boilers can help reduce energy waste and lower bills.
Ideal for small to medium homes – Best suited to properties with 1–2 bathrooms and good mains water pressure.
Combi boilers are one of the most popular choices in UK homes due to their efficiency, convenience and space-saving design.
-
Yes – in most cases you can replace a conventional (regular) or system boiler with a combi boiler. This is known as a boiler conversion.
The installer will remove the hot water cylinder and, if applicable, the cold water tank, then reconfigure the pipework so the combi heats water directly from the mains.
This will typically free up valuable space in your airing cupboard and loft.
-
Yes – your installer will remove the old boiler and safely dispose of it. The whole process is managed for you, start to finish.
-
Average combi boiler supply & fit in the UK:
Small property – £1,600–£2,200
3-bed semi – £2,200–£3,000
Larger home – £2,800–£3,500+
The exact cost depends on output size (kW), brand, and pipework changes.
-
It depends – if you’re switching boiler type or moving its location, you may need new pipework. Your installer will assess everything upfront and give you a clear quote.
-
Yes – every price covers the full package: supplying the new boiler, fitting it professionally, certification, warranty and ensuring your system is up and running smoothly. No hidden extras.
Meet BeSure
BeSure is a family-run boiler installation company built by Gas Engineers with over 40 years of industry experience.
We combine the support, choice and reassurance you'd expect from a national heating company with the competitive pricing and personal service of a local installer.
From helping you choose the right boiler to installation and aftercare, our team is here throughout the entire journey.
Ready to Replace Your Old Boiler?
Get a personalised boiler replacement quote based on your home and installation requirements.
Trusted by Thousands of UK Homeowners
We’re rated Excellent on Trustpilot because we make upgrading simple, fast, and hassle-free
