Loft issue imporperly installed sarking felt

Had a homebuyers survey and this was urgent
Part of the roof void has been covered with what appears to be a non-breathable sarking felt. This has been improperly installed over the top of the timber battens, allowing and moisture caught by the felt to penetrate the timber causing rot.

Is this a big issue and what is the potential cost. 3 bed house

Asked by Celyth on 15th May 2024
Expert Trade Answers
"I would suggest a re roof using breathable felt and batterns and just resuse the existing tiles and replace any broken ones"
Answered on 16th May 2024 - Member since Feb 2024 - report
"If it was mine I'd probably bite the bullet and strip it all off, typical three bed semi in West mids I re roof for 7.5k Inc tiles, scaff, premium grade breathable, fascias soffits and twenty year guarantee."
Answered on 22nd May 2024 - Member since May 2024 - report
"Depends if needs a new roof structure ar only reinforcement an average from 4000 to 7000 labour and materials"
Answered on 28th May 2024 - Member since May 2024 - report
"Not big issue if you cut it out and replace with breathable membrane. Job can be done for few hundred in Labour plus materials"
Answered on 29th Jan 2025 - Member since Jul 2023 - report
"Yes it is u would likely have to redo that part of the roof because moisture can't escape and water may soak into exterior walls"
Answered on 15th May 2024 - Member since Jan 2024 - report
"yes this a problem eventually the felt will rot and the water will get in to your loft space and cause more damage"
Answered on 4th Jun 2024 - Member since Feb 2017 - report
"This could become a serious problem as wet timber can quickly rot through, as far as cost, it's the materials needed that would probably be the more expensive, rather than the cost of the labour."
Answered on 15th Apr 2025 - Member since Apr 2025 - report
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