Range from the cheapest £25 per hour and £200 per day (Urzica Builders ltd based in AL5) to the dearest £50 per hour and £250 per day (Bob's Home Maintenance based in AL3).
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 AL3
We pride ourselves in offering transparent, collaborative construction services, defining your project, through planning and taking your pr...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the a...
Building services company Renospace was established in 2000. Since then we have been helping customers in Hertfordshire and the surrounding ...
Job details | Estimate |
Underpinning a house | £1728 |
Build a two storey extension | £5761 |
Build a timber frame extension | £5761 |
Install a swimming pool | £3456 |
Cost to build a single storey extension | £46085 |
Cost to build a side return extension | £52998 |
Install an RSJ | £1008 |
Build an outbuilding | £2304 |
Build a mansard loft conversion | £11521 |
Cost of a loft conversion | £32260 |
Build a kitchen extension | £11521 |
Build a hip to gable loft conversion | £8641 |
Build a granny annexe | £5761 |
Build a garden office | £2304 |
Convert a garage | £1152 |
Build a flat roof extension | £1959 |
Build a dormer loft conversion | £2304 |
Lay a concrete foundation | £2304 |
Convert a bungalow loft | £3456 |
Basement conversion cost | £32260 |