Cost to build a granny annexe in W1

Granny annexe cost in W1 - Sort by rates or availability

Granny Annexe Cost in W1

Building a granny annexe ranges from £86,976 (A to Z Builders Ltd based in SW1P) to £89,320 (Reid and Co Developments Ltd based in NW8), 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 W1 by posting a job with HaMuch. We will send it to extension builders in W1 who will be happy to help you.

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Estimates for common extension builder jobs in W1;

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.