Extension builder estimates (based on hourly rates) to build a single storey extension in BT45
Range from the cheapest single storey extension £34000 (Oakmore Contracts based in BT45) to the dearest single storey extension £42000 (FJS CONTRACTS LTD based in BT45).
Comparing extension builders estimates for fitting a downstairs toilet 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 to build a single storey extension in BT45 by posting a job with HaMuch and we will send it to extension builders in BT45.
Estimates for common extension builder jobs in BT45;
| Job | Estimate |
| Underpinning a house | £16943 |
| Build a two storey extension | £87165 |
| Build a timber frame extension | £25443 |
| Install a swimming pool | £80443 |
| Cost to build a single storey extension | £38860 |
| Cost to build a side return extension | £31234 |
| Install an RSJ | £1643 |
| Build an outbuilding | £9443 |
| Build a mansard loft conversion | £51443 |
| Cost of a loft conversion | £28528 |
| Build a kitchen extension | £41443 |
| Build a hip to gable loft conversion | £41443 |
| Build a granny annexe | £86443 |
| Build a garden office | £9443 |
| Convert a garage | £15443 |
| Build a new garage | £17943 |
| Build a flat roof extension | £21443 |
| Build a dormer loft conversion | £41443 |
| Lay a concrete foundation | £5693 |
| Convert a bungalow loft | £28443 |
| Basement conversion cost | £31234 |
Rates for other BT45 trades
Extension Builders in BT45
| Business name | Single storey extension cost |
|---|---|
| FJS CONTRACTS LTD, Magherfelt , BT45 | £42000 |
| Oakmore Contracts, Magherafelt, BT45 | £34000 |
| Seamus Mcmullan building and joinery, Draperstown , BT45 | £42000 |
| C McGurk Building Contractor, Belfast , BT44 | £35600 |
| Luxury Garden Studios, Londonderry, BT47 | £38640 |
| JP&S Construction Ltd, 8 Derraghadoan Road, Dungannon, Tyrone, BT70 | £37680 |
| SF Carpentry, Londonderry, BT51 | £38960 |
| JAMSE CONSTRUCTION LTD, Londonderry, BT47 | £42000 |