Range from the cheapest single storey extension £43280 (The Fascia Division Limited based in SO50) to the dearest single storey extension £46320 (KT Carpentry & Building Services based in SO16).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in Swaything by posting a job with HaMuch and we will send it to extension builders in Swaything.
09/03/2024
Single storey extension
04/02/2024
Single storey extension, bricks and roof only
Job | Estimate |
Underpinning a house | £17221 |
Build a two storey extension | £87582 |
Build a timber frame extension | £25721 |
Install a swimming pool | £80721 |
Cost to build a single storey extension | £44426 |
Cost to build a side return extension | £34364 |
Install an RSJ | £1921 |
Build an outbuilding | £9721 |
Build a mansard loft conversion | £51721 |
Cost of a loft conversion | £31137 |
Build a kitchen extension | £41721 |
Build a hip to gable loft conversion | £41721 |
Build a granny annexe | £86721 |
Build a garden office | £9721 |
Convert a garage | £15721 |
Build a new garage | £18221 |
Build a flat roof extension | £21721 |
Build a dormer loft conversion | £41721 |
Lay a concrete foundation | £5971 |
Convert a bungalow loft | £28721 |
Basement conversion cost | £34364 |