Range from the cheapest £37 per hour and £231 per day (NWL BUILDERS LTD based in W1T) to the dearest £40 per hour and £250 per day (Masters Construction UK based in NW1).
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
Having planning permission, having structure drawing, about 40 square metres basement extension, looking for builders, want to be done ASAP.
04/07/2024
About 35 square meters Basement extension in N7 7PL
We need Extension Builders like you to help local homeowners with their jobs.
See table for all Extension Builder rates in Camden
Electric Pluming Painting Bathroom Extension Loft
20 years experience in high end carpentry, joinery and furniture making
Design Consultants, Interior Design, Project Management & Build
| Job details | Estimate |
| Underpinning a house | £1726 |
| Build a two storey extension | £5752 |
| Build a timber frame extension | £5752 |
| Install a swimming pool | £3451 |
| Cost to build a single storey extension | £46016 |
| Cost to build a side return extension | £52919 |
| Install an RSJ | £1007 |
| Build an outbuilding | £2301 |
| Build a mansard loft conversion | £11504 |
| Cost of a loft conversion | £32212 |
| Build a kitchen extension | £11504 |
| Build a hip to gable loft conversion | £8628 |
| Build a granny annexe | £5752 |
| Build a garden office | £2301 |
| Convert a garage | £1150 |
| Build a new garage | £2301 |
| Build a flat roof extension | £1956 |
| Build a dormer loft conversion | £2301 |
| Lay a concrete foundation | £2301 |
| Convert a bungalow loft | £3451 |
| Basement conversion cost | £32212 |