Extension builder estimates (based on hourly rates) to build a single storey extension in BT35
Range from the cheapest single storey extension £34000 (JDL Contracts based in BT34) to the dearest single storey extension £40080 (Terry Design based in BT62).
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 BT35 by posting a job with HaMuch and we will send it to extension builders in BT35.
Estimates for common extension builder jobs in BT35;
| Job | Estimate |
| Underpinning a house | £16809 |
| Build a two storey extension | £86964 |
| Build a timber frame extension | £25309 |
| Install a swimming pool | £80309 |
| Cost to build a single storey extension | £36187 |
| Cost to build a side return extension | £29730 |
| Install an RSJ | £1509 |
| Build an outbuilding | £9309 |
| Build a mansard loft conversion | £51309 |
| Cost of a loft conversion | £27275 |
| Build a kitchen extension | £41309 |
| Build a hip to gable loft conversion | £41309 |
| Build a granny annexe | £86309 |
| Build a garden office | £9309 |
| Convert a garage | £15309 |
| Build a new garage | £17809 |
| Build a flat roof extension | £21309 |
| Build a dormer loft conversion | £41309 |
| Lay a concrete foundation | £5559 |
| Convert a bungalow loft | £28309 |
| Basement conversion cost | £29730 |
Rates for other BT35 trades
Extension Builders in BT35
| Business name | Single storey extension cost |
|---|---|
| JDL Contracts, Newry, BT34 | £34000 |
| Terry Design, Belfast, Armagh, BT62 | £40080 |
| The Method Group, Gibson's Hill, Craigavon, BT66 | £34480 |