Range from the cheapest £25 per hour and £200 per day (EUROCONTRACTOR LIMITED based in HA3) to the dearest £50 per hour and £300 per day (MIHELE BUILDERS based in HA3).
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 HA3
We are one of the top residential building companies in London. We have built up a solid reputation for being the top builders in Harrow and...
J & M Potter Ltd are a local family run business with over 30 years experience in lofts & extensions and have built up a excellent reputatio...
Arch Lucid Ltd ? Architectural Services was established with over twenty years? experience. We take pride in providing clients with a profes...
Job details | Estimate |
Underpinning a house | £1732 |
Build a two storey extension | £5773 |
Build a timber frame extension | £5773 |
Install a swimming pool | £3464 |
Cost to build a single storey extension | £46185 |
Cost to build a side return extension | £53113 |
Install an RSJ | £1010 |
Build an outbuilding | £2309 |
Build a mansard loft conversion | £11546 |
Cost of a loft conversion | £32330 |
Build a kitchen extension | £11546 |
Build a hip to gable loft conversion | £8660 |
Build a granny annexe | £5773 |
Build a garden office | £2309 |
Convert a garage | £1155 |
Build a flat roof extension | £1963 |
Build a dormer loft conversion | £2309 |
Lay a concrete foundation | £2309 |
Convert a bungalow loft | £3464 |
Basement conversion cost | £32330 |