Extension builder estimates (based on hourly rates) to build a single storey extension in Kingsdown
Range from the cheapest single storey extension £42000 (HOMESTAR based in BS7) to the dearest single storey extension £58000 (Prestige plumbing&bathroom fittings based in BS2).
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 Kingsdown by posting a job with HaMuch and we will send it to extension builders in Kingsdown.
Estimates for common extension builder jobs in Kingsdown;
| Job | Estimate |
| Underpinning a house | £17312 |
| Build a two storey extension | £87717 |
| Build a timber frame extension | £25812 |
| Install a swimming pool | £80812 |
| Cost to build a single storey extension | £46230 |
| Cost to build a side return extension | £35380 |
| Install an RSJ | £2012 |
| Build an outbuilding | £9812 |
| Build a mansard loft conversion | £51812 |
| Cost of a loft conversion | £31983 |
| Build a kitchen extension | £41812 |
| Build a hip to gable loft conversion | £41812 |
| Build a granny annexe | £86812 |
| Build a garden office | £9812 |
| Convert a garage | £15812 |
| Build a new garage | £18312 |
| Build a flat roof extension | £21812 |
| Build a dormer loft conversion | £41812 |
| Lay a concrete foundation | £6062 |
| Convert a bungalow loft | £28812 |
| Basement conversion cost | £35380 |