Range from the cheapest single storey extension £35600 (Fairleigh Construction Ltd based in S60) to the dearest single storey extension £170000 (C S Roofing & Building based in S8).
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 Wybourn by posting a job with HaMuch and we will send it to extension builders in Wybourn.
Job | Estimate |
Underpinning a house | £17608 |
Build a two storey extension | £88161 |
Build a timber frame extension | £26108 |
Install a swimming pool | £81108 |
Cost to build a single storey extension | £52150 |
Cost to build a side return extension | £38710 |
Install an RSJ | £2308 |
Build an outbuilding | £10108 |
Build a mansard loft conversion | £52108 |
Cost of a loft conversion | £34758 |
Build a kitchen extension | £42108 |
Build a hip to gable loft conversion | £42108 |
Build a granny annexe | £87108 |
Build a garden office | £10108 |
Convert a garage | £16108 |
Build a new garage | £18608 |
Build a flat roof extension | £22108 |
Build a dormer loft conversion | £42108 |
Lay a concrete foundation | £6358 |
Convert a bungalow loft | £29108 |
Basement conversion cost | £38710 |