Range from the cheapest £25 per hour and £200 per day (DR BUILDERS based in N1) to the dearest £60 per hour and £243 per day (Upper Class Builders based in N1).
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 N1
Our building services company Upper Class Builders based in London and the surrounding area, providing professional, trustworthy building se...
At PRG Extensions we a collective of skilled professionals who have the client in the forefront of their minds when we 'plan' 'design' & 'bu...
Job details | Estimate |
Underpinning a house | £1685 |
Build a two storey extension | £5617 |
Build a timber frame extension | £5617 |
Install a swimming pool | £3370 |
Cost to build a single storey extension | £44932 |
Cost to build a side return extension | £51672 |
Install an RSJ | £983 |
Build an outbuilding | £2247 |
Build a mansard loft conversion | £11233 |
Cost of a loft conversion | £31452 |
Build a kitchen extension | £11233 |
Build a hip to gable loft conversion | £8425 |
Build a granny annexe | £5617 |
Build a garden office | £2247 |
Convert a garage | £1123 |
Build a flat roof extension | £1910 |
Build a dormer loft conversion | £2247 |
Lay a concrete foundation | £2247 |
Convert a bungalow loft | £3370 |
Basement conversion cost | £31452 |