Replacing back boiler

I am buying a house with a back boiler and I would like to know the cost of replacing it with a combi boiler please in the west yorkshire area.

Asked by Julie on 16th Feb 2026
Expert Trade Answers
"Because the pipework will have to be changed and the boiler will have to be put preferably to an outside wall to allow for a shorter flue, also the radiator circuit will have to be thoroughly cleaned of any debris to make sure that everything is running efficiently, therefore the cost will be in excess of £5,000."
Answered on 16th Feb 2026 - Member since Aug 2023 - report
"I’m not from that area however depending on what needs doing, boiler you chose anything from £3500 to £4500"
Answered on 16th Feb 2026 - Member since Feb 2023 - report
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