Granny Annexe Cost in Hayes

Building a granny annexe ranges from £86,888 (Nirvair Builders based in UB3) to £87,432 (GMB BUILDING SERVICES based in UB8), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in Hayes by posting a job with HaMuch. We will send it to extension builders in Hayes who will be happy to help you.

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Granny Annexe in Hayes
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Estimates for common extension builder jobs in Hayes;

Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.