Range from the cheapest £20 per hour and £200 per day (Paramount Construction HV Ltd based in EH47) to the dearest £32 per hour and £231 per day (Alastair McDonald Joinery and Building based in EH53).
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.
yesterday
Hi, I am looking for a quote for a rough quote for an side extension.
06/09/2024
This is a Garage conversion, no and extension, I could not find the right trade. We have the drawings from the architect. I can attach those for a better estimate. Thanks
We need Extension Builders like you to help local homeowners with their jobs.
See table for all Extension Builder rates in Bathgate
30 years experience mostly on building sites which means more experience than private builders where they are doing a couple of houses a ...
| Job details | Estimate |
| Underpinning a house | £1547 |
| Build a two storey extension | £5156 |
| Build a timber frame extension | £5156 |
| Install a swimming pool | £3094 |
| Cost to build a single storey extension | £41249 |
| Cost to build a side return extension | £47437 |
| Install an RSJ | £902 |
| Build an outbuilding | £2062 |
| Build a mansard loft conversion | £10312 |
| Cost of a loft conversion | £28874 |
| Build a kitchen extension | £10312 |
| Build a hip to gable loft conversion | £7734 |
| Build a granny annexe | £5156 |
| Build a garden office | £2062 |
| Convert a garage | £1031 |
| Build a new garage | £2062 |
| Build a flat roof extension | £1753 |
| Build a dormer loft conversion | £2062 |
| Lay a concrete foundation | £2062 |
| Convert a bungalow loft | £3094 |
| Basement conversion cost | £28874 |