Range from the cheapest single storey extension £34000 (K & H Construction Services Ltd based in TW20) to the dearest single storey extension £38800 (Toni build ltd based in RM10).
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 DG11 by posting a job with HaMuch and we will send it to extension builders in DG11.
Job | Estimate |
Underpinning a house | £16772 |
Build a two storey extension | £86908 |
Build a timber frame extension | £25272 |
Install a swimming pool | £80272 |
Cost to build a single storey extension | £35440 |
Cost to build a side return extension | £29310 |
Install an RSJ | £1472 |
Build an outbuilding | £9272 |
Build a mansard loft conversion | £51272 |
Cost of a loft conversion | £26925 |
Build a kitchen extension | £41272 |
Build a hip to gable loft conversion | £41272 |
Build a granny annexe | £86272 |
Build a garden office | £9272 |
Convert a garage | £15272 |
Build a new garage | £17772 |
Build a flat roof extension | £21272 |
Build a dormer loft conversion | £41272 |
Lay a concrete foundation | £5522 |
Convert a bungalow loft | £28272 |
Basement conversion cost | £29310 |
Business name | Single storey extension cost |
---|---|
LAKELAND CONSTRUCTION SER LTD, , DG11 | £34960 |
L I P CONSTRUCTION LTD, , DG11 | £35600 |
IAN PEARSON JOINER & BUILDER, , CA6 | £34640 |
Toni build ltd, Dagenham , RM10 | £38800 |
K & H Construction Services Ltd, Egham , TW20 | £34000 |
LLED CONSTRUCTION LTD, , CA6 | £34640 |