Range from the cheapest single storey extension £34800 (Apollo Decor Ltd based in AL2) to the dearest single storey extension £49520 (MF BUILDING LTD based in WD18).
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 Abbots Langley by posting a job with HaMuch and we will send it to extension builders in Abbots Langley.
07/04/2024
Single storey extension
Job | Estimate |
Underpinning a house | £17376 |
Build a two storey extension | £87815 |
Build a timber frame extension | £25876 |
Install a swimming pool | £80876 |
Cost to build a single storey extension | £47530 |
Cost to build a side return extension | £36110 |
Install an RSJ | £2076 |
Build an outbuilding | £9876 |
Build a mansard loft conversion | £51876 |
Cost of a loft conversion | £32592 |
Build a kitchen extension | £41876 |
Build a hip to gable loft conversion | £41876 |
Build a granny annexe | £86876 |
Build a garden office | £9876 |
Convert a garage | £15876 |
Build a new garage | £18376 |
Build a flat roof extension | £21876 |
Build a dormer loft conversion | £41876 |
Lay a concrete foundation | £6126 |
Convert a bungalow loft | £28876 |
Basement conversion cost | £36110 |