Range from the cheapest £37 per hour and £230 per day (Pillar Contractors Ltd based in W1K) to the dearest £39 per hour and £243 per day (KBB Master Builder LTD based in W1W).
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.
18/09/2024
About 35 square meters Basement extension in N7 7PL
18/09/2024
Convert and existing basement, 50 m2, 1 lightwell. drop the floor and underpin.
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See table for all Extension Builder rates in Harley Street
I would like to take this opportunity to introduce the services offered by KBB Master Builder LTD. KBB Master Builder prides itself on offe...
Job details | Estimate |
Underpinning a house | £1717 |
Build a two storey extension | £5724 |
Build a timber frame extension | £5724 |
Install a swimming pool | £3435 |
Cost to build a single storey extension | £45795 |
Cost to build a side return extension | £52664 |
Install an RSJ | £1002 |
Build an outbuilding | £2290 |
Build a mansard loft conversion | £11449 |
Cost of a loft conversion | £32056 |
Build a kitchen extension | £11449 |
Build a hip to gable loft conversion | £8586 |
Build a granny annexe | £5724 |
Build a garden office | £2290 |
Convert a garage | £1145 |
Build a new garage | £2290 |
Build a flat roof extension | £1946 |
Build a dormer loft conversion | £2290 |
Lay a concrete foundation | £2290 |
Convert a bungalow loft | £3435 |
Basement conversion cost | £32056 |