Range from the cheapest £37 per hour and £231 per day (Aylaa Exclusive based in EC1A) to the dearest £55 per hour and £400 per day (Q Lofts and Extensions based in EC1R).
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.
25/09/2024
About 35 square meters Basement extension in N7 7PL
25/09/2024
Could you quote for the following please: Remove existing kitchen (average size) Installation of new Howdens kitchen Installation of composite worktop inc undermount sink, drainage grooves in worktop and hob in worktop. Possibly tile splashback area
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See table for all Extension Builder rates in Clerkenwell
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Job details | Estimate |
Underpinning a house | £1736 |
Build a two storey extension | £5788 |
Build a timber frame extension | £5788 |
Install a swimming pool | £3473 |
Cost to build a single storey extension | £46304 |
Cost to build a side return extension | £53249 |
Install an RSJ | £1013 |
Build an outbuilding | £2315 |
Build a mansard loft conversion | £11576 |
Cost of a loft conversion | £32413 |
Build a kitchen extension | £11576 |
Build a hip to gable loft conversion | £8682 |
Build a granny annexe | £5788 |
Build a garden office | £2315 |
Convert a garage | £1158 |
Build a new garage | £2315 |
Build a flat roof extension | £1968 |
Build a dormer loft conversion | £2315 |
Lay a concrete foundation | £2315 |
Convert a bungalow loft | £3473 |
Basement conversion cost | £32413 |