Range from the cheapest £8.2 per hour and £68 per day (Leon Morgan based in NP12) to the dearest £30 per hour and £240 per day (Ullyses based in NP19).
Comparing hourly and daily rates of Extension Builder's 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 - Click 'Get quotes' and describe your job and we will send it to your local extension builders for FREE.
See table for all Extension Builder rates in NP11
Very reliable honest and hard working guarantee all work clean and tidy first class work
I'm a small firm run by my self and a labourer I've been in the. Building trade 18 years . Our price are fair and the work finished to ...
| Job details | Estimate |
| Underpinning a house | £1280 |
| Build a two storey extension | £4267 |
| Build a timber frame extension | £4267 |
| Install a swimming pool | £2560 |
| Cost to build a single storey extension | £34137 |
| Cost to build a side return extension | £39258 |
| Install an RSJ | £747 |
| Build an outbuilding | £1707 |
| Build a mansard loft conversion | £8534 |
| Cost of a loft conversion | £23896 |
| Build a kitchen extension | £8534 |
| Build a hip to gable loft conversion | £6401 |
| Build a granny annexe | £4267 |
| Build a garden office | £1707 |
| Convert a garage | £853 |
| Build a flat roof extension | £1451 |
| Build a dormer loft conversion | £1707 |
| Lay a concrete foundation | £1707 |
| Convert a bungalow loft | £2560 |
| Basement conversion cost | £23896 |