Range from the cheapest £15 per hour and £20 per day (London Design And Build based in SW1A) to the dearest £39 per hour and £243 per day (Knightsbridge Design based in SW1X).
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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See table for all Extension Builder rates in SW1X
Knightsbridge Design was founded by a group consisting of some of the most exceptional and talented decorators in London. Our mission is to ...
At Alt Construction we provide a complete and professional turnkey construction service for internal alterations, extensions, including deta...
Job details | Estimate |
Underpinning a house | £1601 |
Build a two storey extension | £5337 |
Build a timber frame extension | £5337 |
Install a swimming pool | £3202 |
Cost to build a single storey extension | £42695 |
Cost to build a side return extension | £49099 |
Install an RSJ | £934 |
Build an outbuilding | £2135 |
Build a mansard loft conversion | £10674 |
Cost of a loft conversion | £29886 |
Build a kitchen extension | £10674 |
Build a hip to gable loft conversion | £8005 |
Build a granny annexe | £5337 |
Build a garden office | £2135 |
Convert a garage | £1067 |
Build a flat roof extension | £1815 |
Build a dormer loft conversion | £2135 |
Lay a concrete foundation | £2135 |
Convert a bungalow loft | £3202 |
Basement conversion cost | £29886 |