Range from the cheapest £20 per hour and £160 per day (Onyx Iv based in N11) to the dearest £39 per hour and £243 per day (Gwe construction based in N12).
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 N12
The TBF Construction LTD Company was established in 2020 and is a general contractor offering construction services. TBF Construction is ded...
Forts Developments Ltd is a leading construction and property development company in the UK offering a unique end to end design solution for...
Job details | Estimate |
Underpinning a house | £1672 |
Build a two storey extension | £5573 |
Build a timber frame extension | £5573 |
Install a swimming pool | £3344 |
Cost to build a single storey extension | £44586 |
Cost to build a side return extension | £51274 |
Install an RSJ | £975 |
Build an outbuilding | £2229 |
Build a mansard loft conversion | £11147 |
Cost of a loft conversion | £31210 |
Build a kitchen extension | £11147 |
Build a hip to gable loft conversion | £8360 |
Build a granny annexe | £5573 |
Build a garden office | £2229 |
Convert a garage | £1115 |
Build a flat roof extension | £1895 |
Build a dormer loft conversion | £2229 |
Lay a concrete foundation | £2229 |
Convert a bungalow loft | £3344 |
Basement conversion cost | £31210 |