Garage roof conversion?

Can we convert our attached garage roof into a livable space? What kind of cost are we looking at? It's a double garage that's attached to the house with a tiled roof.

Asked by lauren on 12th Apr 2026
Expert Trade Answers
"Yes, it is possible to convert an attached double garage into a habitable living space, depending on the structure of the roof and foundations and compliance with UK Building Regulations.
Estimated cost:
Basic conversion: £15,000 – £25,000
Medium conversion (with bathroom/windows): £25,000 – £45,000
Full high-spec conversion: £40,000+
A structural survey is recommended first to confirm suitability before starting the work."
Answered on 12th Apr 2026 - Member since May 2025 - report
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