Extension builder estimates (based on hourly rates) to build a single storey extension in Rainford
Range from the cheapest single storey extension £34000 (MJ Barker & Son based in WA11) to the dearest single storey extension £52000 (Aurora Building company ltd based in L12).
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 Rainford by posting a job with HaMuch and we will send it to extension builders in Rainford.
Recent Jobs
27/09/2023
Extension Builder near St Helens
Single storey extension, 18m2. Bi-fold doors (approx. 5m across) and 2/3no. velux windows.
Estimates for common extension builder jobs in Rainford;
| Job | Estimate |
| Underpinning a house | £17068 |
| Build a two storey extension | £87352 |
| Build a timber frame extension | £25568 |
| Install a swimming pool | £80568 |
| Cost to build a single storey extension | £41357 |
| Cost to build a side return extension | £32638 |
| Install an RSJ | £1768 |
| Build an outbuilding | £9568 |
| Build a mansard loft conversion | £51568 |
| Cost of a loft conversion | £29699 |
| Build a kitchen extension | £41568 |
| Build a hip to gable loft conversion | £41568 |
| Build a granny annexe | £86568 |
| Build a garden office | £9568 |
| Convert a garage | £15568 |
| Build a new garage | £18068 |
| Build a flat roof extension | £21568 |
| Build a dormer loft conversion | £41568 |
| Lay a concrete foundation | £5818 |
| Convert a bungalow loft | £28568 |
| Basement conversion cost | £32638 |