Extension Builder's rates near W1B
Range from the cheapest £37 per hour and £230 per day (We Love Build - Three Arches based in W1J) to the dearest £39 per hour and £243 per day (Sehem Design based in W1F).
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.
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Extension Builder's near W1B
See table for all Extension Builder rates in W1B
Estimated cost of work in W1B
| Job details | Estimate |
| Underpinning a house | £1720 |
| Build a two storey extension | £5732 |
| Build a timber frame extension | £5732 |
| Install a swimming pool | £3439 |
| Cost to build a single storey extension | £45856 |
| Cost to build a side return extension | £52734 |
| Install an RSJ | £1003 |
| Build an outbuilding | £2293 |
| Build a mansard loft conversion | £11464 |
| Cost of a loft conversion | £32099 |
| Build a kitchen extension | £11464 |
| Build a hip to gable loft conversion | £8598 |
| Build a granny annexe | £5732 |
| Build a garden office | £2293 |
| Convert a garage | £1146 |
| Build a flat roof extension | £1949 |
| Build a dormer loft conversion | £2293 |
| Lay a concrete foundation | £2293 |
| Convert a bungalow loft | £3439 |
| Basement conversion cost | £32099 |