Cheapest builders to convert your basement in Ballymoney
Range from the cheapest Basement conversion £29400 (C McGurk Building Contractor based in BT44) to the dearest Basement conversion £31290 (SF Carpentry based in BT51).
Comparing extension builders estimates for a Basement conversion 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 - Get rates and quotes for the cost to convert a basement in Ballymoney by posting a job with HaMuch and we will send it to extension builders in Ballymoney.
Estimates for common extension builder jobs in Ballymoney;
| Job | Estimate |
| Underpinning a house | £16844 |
| Build a two storey extension | £87016 |
| Build a timber frame extension | £25344 |
| Install a swimming pool | £80344 |
| Cost to build a single storey extension | £36880 |
| Cost to build a side return extension | £30120 |
| Install an RSJ | £1544 |
| Build an outbuilding | £9344 |
| Build a mansard loft conversion | £51344 |
| Cost of a loft conversion | £27600 |
| Build a kitchen extension | £41344 |
| Build a hip to gable loft conversion | £41344 |
| Build a granny annexe | £86344 |
| Build a garden office | £9344 |
| Convert a garage | £15344 |
| Build a new garage | £17844 |
| Build a flat roof extension | £21344 |
| Build a dormer loft conversion | £41344 |
| Lay a concrete foundation | £5594 |
| Convert a bungalow loft | £28344 |
| Basement conversion cost | £30120 |
Rates for other Ballymoney trades
Extension Builders in Ballymoney
| Business name | Basement conversion cost |
|---|---|
| purdy build, Antrim, bt53 | £29670 |
| SF Carpentry, Londonderry, BT51 | £31290 |
| C McGurk Building Contractor, Belfast , BT44 | £29400 |