Range from the cheapest £20 per hour and £150 per day (Niki based in N4) to the dearest £39 per hour and £243 per day (Bok Services Ltd based in N7).
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.
06/09/2024
About 35 square meters Basement extension in N7 7PL
06/09/2024
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 Holloway
DH Damp Proofing and Plastering was founded in 2007.We have many years’ experience in the trade and are committed to quality workma...
| Job details | Estimate |
| Underpinning a house | £1694 |
| Build a two storey extension | £5646 |
| Build a timber frame extension | £5646 |
| Install a swimming pool | £3387 |
| Cost to build a single storey extension | £45166 |
| Cost to build a side return extension | £51941 |
| Install an RSJ | £988 |
| Build an outbuilding | £2258 |
| Build a mansard loft conversion | £11292 |
| Cost of a loft conversion | £31616 |
| Build a kitchen extension | £11292 |
| Build a hip to gable loft conversion | £8469 |
| Build a granny annexe | £5646 |
| Build a garden office | £2258 |
| Convert a garage | £1129 |
| Build a new garage | £2258 |
| Build a flat roof extension | £1920 |
| Build a dormer loft conversion | £2258 |
| Lay a concrete foundation | £2258 |
| Convert a bungalow loft | £3387 |
| Basement conversion cost | £31616 |