Extension builder estimates (based on hourly rates) to build a single storey extension in S33
Range from the cheapest single storey extension £42480 (Long Hill Design Studios based in SK17) 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 S33 by posting a job with HaMuch and we will send it to extension builders in S33.
Estimates for common extension builder jobs in S33;
| Job | Estimate |
| Underpinning a house | £17576 |
| Build a two storey extension | £88114 |
| Build a timber frame extension | £26076 |
| Install a swimming pool | £81076 |
| Cost to build a single storey extension | £51517 |
| Cost to build a side return extension | £38353 |
| Install an RSJ | £2276 |
| Build an outbuilding | £10076 |
| Build a mansard loft conversion | £52076 |
| Cost of a loft conversion | £34461 |
| Build a kitchen extension | £42076 |
| Build a hip to gable loft conversion | £42076 |
| Build a granny annexe | £87076 |
| Build a garden office | £10076 |
| Convert a garage | £16076 |
| Build a new garage | £18576 |
| Build a flat roof extension | £22076 |
| Build a dormer loft conversion | £42076 |
| Lay a concrete foundation | £6326 |
| Convert a bungalow loft | £29076 |
| Basement conversion cost | £38353 |