Range from the cheapest single storey extension £29200 (Dry Tec based in DH6) to the dearest single storey extension £59600 (John Barrett Joiner Builder based in NE37).
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 Grindon by posting a job with HaMuch and we will send it to extension builders in Grindon.
Job | Estimate |
Underpinning a house | £17151 |
Build a two storey extension | £87476 |
Build a timber frame extension | £25651 |
Install a swimming pool | £80651 |
Cost to build a single storey extension | £43011 |
Cost to build a side return extension | £33569 |
Install an RSJ | £1851 |
Build an outbuilding | £9651 |
Build a mansard loft conversion | £51651 |
Cost of a loft conversion | £30474 |
Build a kitchen extension | £41651 |
Build a hip to gable loft conversion | £41651 |
Build a granny annexe | £86651 |
Build a garden office | £9651 |
Convert a garage | £15651 |
Build a new garage | £18151 |
Build a flat roof extension | £21651 |
Build a dormer loft conversion | £41651 |
Lay a concrete foundation | £5901 |
Convert a bungalow loft | £28651 |
Basement conversion cost | £33569 |