Range from the cheapest £10 per hour and £80 per day (RJW's Gardens based in MK45) to the dearest £38 per hour and £253 per day (David Douglas Developments based in SG5).
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.
See table for all Extension Builder rates in MK42
Business overview
At Tim Cuni Cabins Ltd we build and erect all types of wooden buildings such as Log Cabins, sheds & Summerh...
House renovation,new builds ,carpentry,gardening clearance and maintenance, removal man with van ,house, flats , removal, package delivery f...
| Job details | Estimate |
| Underpinning a house | £1606 |
| Build a two storey extension | £5353 |
| Build a timber frame extension | £5353 |
| Install a swimming pool | £3212 |
| Cost to build a single storey extension | £42825 |
| Cost to build a side return extension | £49249 |
| Install an RSJ | £937 |
| Build an outbuilding | £2141 |
| Build a mansard loft conversion | £10706 |
| Cost of a loft conversion | £29978 |
| Build a kitchen extension | £10706 |
| Build a hip to gable loft conversion | £8030 |
| Build a granny annexe | £5353 |
| Build a garden office | £2141 |
| Convert a garage | £1071 |
| Build a flat roof extension | £1820 |
| Build a dormer loft conversion | £2141 |
| Lay a concrete foundation | £2141 |
| Convert a bungalow loft | £3212 |
| Basement conversion cost | £29978 |