What do people estimate the extension costing - same as the house?
https://www.zoopla.co.uk/for-sale/details/49577184?search_identifier=4082025ce5ea91afdbd383a2cc5bc145
Half the cost, as a rule of thumb. But it really depends on size, materials, level of finish, etc.
@andyp started
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What do people estimate the extension costing - same as the house?
https://www.zoopla.co.uk/for-sale/details/49577184?search_identifier=4082025ce5ea91afdbd383a2cc5bc145