Online Boiler Guide Logo

Cost Combi Boiler(s) - Cost of a Combi Boiler(s) 

please click to go to home page

 How much does a new boiler cost to replace in the UK?

you can replace your boiler all year.

 Worcester bosch 8000 Combi to combi swap –
Average price £1,899 System to combi conversion –
Average price £2,499 New boiler install –
Average price £2,899 Back boiler to combi –
Average price £3,299 System to system –
Average price £1,999 Megaflo unvented boiler –
Average price £2,499
Please note that it is now illegal to install back boilers therefore they can not be replaced.
The only option is to convert to a new combi boiler, system boiler or regular boiler.
New Boiler Costs UK
Combi boilers and system boilers cost between £650 –
£900 for a budget boiler,
£900 – £1,300 for a mid-range boiler
and £1,300 to £2,500 for a premium brand boiler.
Heat only boilers cost between £600 – £1700 model dependent. 

Prices exclude installation costs by a Gas Safe Installer.

Is British Gas boiler installation expensive?

it is good to get a price comparison

Compared to the average cost for new boiler replacement, British Gas are known to be around £1,000 more expensive than most of the competitors.

How long should a new boiler last?
15 year warranty
Answer: A new boiler that’s purchased from 2020 onwards should last at least 10 years,
but with an expected life of 10 to 15 years at a high efficiency. However it must be said that in 10 years time, there will most likely be even more economical ways to heat your home therefore may be an idea to swap to something that kicks out less carbon emissions. 

If you have any specific questions please let us know and we will do our best to update this article to help others who are looking into the cost of boiler replacement.

lovely hot water on tap with worcester bosch
click on youtube to see ask dave's information video on cost of combi 
If you are looking to replace your boiler within the next 6 months please make sure you get it in writing from your gas installer how long his/her quote lasts. It is a good idea to get some idea of the expenditure.