Flat roof extension cost in BT46
A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in BT46?
A flat roof extension ranges from the cheapest of £21200 (Oakmore Contracts based in BT45) to the dearest of £21600 (FJS CONTRACTS LTD based in BT45), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in BT46 by posting a job with HaMuch. We'll send it to extension builders in BT46.
Estimates for common extension builder jobs in BT46;
| Job | Estimate |
| Underpinning a house | £16933 |
| Build a two storey extension | £87150 |
| Build a timber frame extension | £25433 |
| Install a swimming pool | £80433 |
| Cost to build a single storey extension | £38660 |
| Cost to build a side return extension | £31121 |
| Install an RSJ | £1633 |
| Build an outbuilding | £9433 |
| Build a mansard loft conversion | £51433 |
| Cost of a loft conversion | £28434 |
| Build a kitchen extension | £41433 |
| Build a hip to gable loft conversion | £41433 |
| Build a granny annexe | £86433 |
| Build a garden office | £9433 |
| Convert a garage | £15433 |
| Build a new garage | £17933 |
| Build a flat roof extension | £21433 |
| Build a dormer loft conversion | £41433 |
| Lay a concrete foundation | £5683 |
| Convert a bungalow loft | £28433 |
| Basement conversion cost | £31121 |
Rates for other BT46 trades
Extension Builders in BT46
| Business name | Flat roof extension cost |
|---|---|
| C McGurk Building Contractor, Belfast , BT44 | £21280 |
| FJS CONTRACTS LTD, Magherfelt , BT45 | £21600 |
| Seamus Mcmullan building and joinery, Draperstown , BT45 | £21600 |
| SF Carpentry, Londonderry, BT51 | £21448 |
| Luxury Garden Studios, Londonderry, BT47 | £21432 |
| Oakmore Contracts, Magherafelt, BT45 | £21200 |
| purdy build, Antrim, bt53 | £21304 |
| JAMSE CONSTRUCTION LTD, Londonderry, BT47 | £21600 |