Cost to build a granny annexe in IG1

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Granny Annexe Cost in IG1

Building a granny annexe ranges from £86,880 (Can design and Construction based in Ig11) to £87,712 (Render based in IG1), 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 IG1 by posting a job with HaMuch. We will send it to extension builders in IG1 who will be happy to help you.

"Granny annexe" - REDBRIDGE, job posted 10/01/25

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Borough in London
Granny Annexe in Ilford
Granny Annexe in Manor Park
Granny Annexe in Gants Hill
Granny Annexe in Seven Kings
Granny Annexe in Olympic Park
Granny Annexe in Redbridge
Granny Annexe in Barking
Granny Annexe in Clayhill
Granny Annexe in Forest Gate
Granny Annexe in East Ham

Estimates for common extension builder jobs in IG1;

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.