Cost to build a granny annexe in Keston

Granny annexe cost in Keston - Sort by rates or availability

Granny Annexe Cost in Keston

Building a granny annexe ranges from £86,568 (Oaksure Construction based in CR0) to £87,376 (Saintflexs based in BR1), 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 Keston by posting a job with HaMuch. We will send it to extension builders in Keston who will be happy to help you.

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Granny Annexe in Keston
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Granny Annexe in Grove Park

Estimates for common extension builder jobs in Keston;

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.