Cost to build a granny annexe in HA8

Granny annexe cost in HA8 - Sort by rates or availability

"I'm very happy for the job what his done" - LONDON,reviewed 29/09/17, SIMONA

Granny Annexe Cost in HA8

Building a granny annexe ranges from £86,408 (DBR Construction Ltd based in NW7) to £87,440 (COMPLETE CIVIL ENGINEERING based in HA8), 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 HA8 by posting a job with HaMuch. We will send it to extension builders in HA8 who will be happy to help you.

"Granny annexe" - COLINDALE, job posted 07/12/25

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Granny Annexe in Edgware
Granny Annexe in Stanmore
Granny Annexe in Mill Hill
Granny Annexe in Colindale
Granny Annexe in Wealdstone
Granny Annexe in Brent Cross
Granny Annexe in Borehamwood
Granny Annexe in Harrow
Granny Annexe in Finchley
Granny Annexe in Wembley

Estimates for common extension builder jobs in HA8;

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.