Range from the cheapest single storey extension £29200 (J & G Construction based in BB4) to the dearest single storey extension £43120 (Tetrosyl based in OL16).
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 Greater Manchester by posting a job with HaMuch and we will send it to extension builders in Greater Manchester.
Job | Estimate |
Underpinning a house | £17010 |
Build a two storey extension | £87265 |
Build a timber frame extension | £25510 |
Install a swimming pool | £80510 |
Cost to build a single storey extension | £40202 |
Cost to build a side return extension | £31988 |
Install an RSJ | £1710 |
Build an outbuilding | £9510 |
Build a mansard loft conversion | £51510 |
Cost of a loft conversion | £29157 |
Build a kitchen extension | £41510 |
Build a hip to gable loft conversion | £41510 |
Build a granny annexe | £86510 |
Build a garden office | £9510 |
Convert a garage | £15510 |
Build a new garage | £18010 |
Build a flat roof extension | £21510 |
Build a dormer loft conversion | £41510 |
Lay a concrete foundation | £5760 |
Convert a bungalow loft | £28510 |
Basement conversion cost | £31988 |