Cost to build a granny annexe in Botany Bay

Granny Annexe Cost in Botany Bay

Estimates for granny annexe near Botany Bay

Building a granny annexe ranges from £86,872 (Colin Lynch Builders based in EN3) to £87,432 (MM-Builders based in N9), 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 Botany Bay by posting a job with HaMuch. We will send it to extension builders in Botany Bay who will be happy to help you.

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Estimates for common extension builder jobs in Botany Bay;

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.