Extension builder estimates (based on hourly rates) to build a single storey extension in Kingsthorpe
Range from the cheapest single storey extension £35600 (Artizan Roofing based in NN2) to the dearest single storey extension £44560 (L.D Design & Build Ltd. based in Nn1).
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 Kingsthorpe by posting a job with HaMuch and we will send it to extension builders in Kingsthorpe.
Estimates for common extension builder jobs in Kingsthorpe;
| Job | Estimate |
| Underpinning a house | £17116 |
| Build a two storey extension | £87424 |
| Build a timber frame extension | £25616 |
| Install a swimming pool | £80616 |
| Cost to build a single storey extension | £42326 |
| Cost to build a side return extension | £33184 |
| Install an RSJ | £1816 |
| Build an outbuilding | £9616 |
| Build a mansard loft conversion | £51616 |
| Cost of a loft conversion | £30153 |
| Build a kitchen extension | £41616 |
| Build a hip to gable loft conversion | £41616 |
| Build a granny annexe | £86616 |
| Build a garden office | £9616 |
| Convert a garage | £15616 |
| Build a new garage | £18116 |
| Build a flat roof extension | £21616 |
| Build a dormer loft conversion | £41616 |
| Lay a concrete foundation | £5866 |
| Convert a bungalow loft | £28616 |
| Basement conversion cost | £33184 |