Range from the cheapest £20 per hour and £150 per day (Howden Build based in DN17) to the dearest £50 per hour and £400 per day (Green Exteriors Ltd based in S60).
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.
yesterday
6 meter rear extension removal or chimney and 3 bedroom detached house flooring and some electrical work
17/09/2024
Loft conversion to 2 bedrooms and a bathroom. Velux windows only, as gables already have windows. Building regs required, but not planning permission
17/09/2024
Rebuild attached outhouse - dimensions are 3.81m x 3.47
We need Extension Builders like you to help local homeowners with their jobs.
See table for all Extension Builder rates in Intake
| Job details | Estimate |
| Underpinning a house | £1568 |
| Build a two storey extension | £5225 |
| Build a timber frame extension | £5225 |
| Install a swimming pool | £3135 |
| Cost to build a single storey extension | £41802 |
| Cost to build a side return extension | £48072 |
| Install an RSJ | £914 |
| Build an outbuilding | £2090 |
| Build a mansard loft conversion | £10450 |
| Cost of a loft conversion | £29261 |
| Build a kitchen extension | £10450 |
| Build a hip to gable loft conversion | £7838 |
| Build a granny annexe | £5225 |
| Build a garden office | £2090 |
| Convert a garage | £1045 |
| Build a new garage | £2090 |
| Build a flat roof extension | £1777 |
| Build a dormer loft conversion | £2090 |
| Lay a concrete foundation | £2090 |
| Convert a bungalow loft | £3135 |
| Basement conversion cost | £29261 |