Range from the cheapest £25 per hour and £200 per day (Archway Construction (UK) Limited based in PE1) to the dearest £100 per hour and £280 per day (JMO Construction Ltd based in PE19).
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.
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See table for all Extension Builder rates in Hun
26 years carpentry experience
10 years general building experience, including loft conversions, extensions.
Many ye...
| Job details | Estimate |
| Underpinning a house | £1690 |
| Build a two storey extension | £5633 |
| Build a timber frame extension | £5633 |
| Install a swimming pool | £3380 |
| Cost to build a single storey extension | £45063 |
| Cost to build a side return extension | £51822 |
| Install an RSJ | £986 |
| Build an outbuilding | £2253 |
| Build a mansard loft conversion | £11266 |
| Cost of a loft conversion | £31544 |
| Build a kitchen extension | £11266 |
| Build a hip to gable loft conversion | £8449 |
| Build a granny annexe | £5633 |
| Build a garden office | £2253 |
| Convert a garage | £1127 |
| Build a new garage | £2253 |
| Build a flat roof extension | £1915 |
| Build a dormer loft conversion | £2253 |
| Lay a concrete foundation | £2253 |
| Convert a bungalow loft | £3380 |
| Basement conversion cost | £31544 |