Range from the cheapest £15 per hour and £120 per day (Anak based in BT40) to the dearest £21 per hour and £150 per day (Colin Gilmore Building Contractor based in BT22).
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
Extend back of house to create receptiom/dining area flowing from current kitchen + add decking area beyond the extension to create patio
14/09/2024
3m x 8m extension rough quote single storey. 4m x 8m extension rough quote single storey Back of house, kitchen and dining room. If under 70k then interested in cost of 3m X 11m with roof garage being raised. Looking for quotes, no ready to commit until next year
14/09/2024
3m x 8m extension rough quote single storey. 4m x 8m extension rough quote single storey Back of house, kitchen and dining room. If under 70k then interested in cost of 3m X 11m with roof garage being raised. Looking for quotes, no ready to commit until next year.
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See table for all Extension Builder rates in Ards And North Down
| Job details | Estimate |
| Underpinning a house | £982 |
| Build a two storey extension | £3274 |
| Build a timber frame extension | £3274 |
| Install a swimming pool | £1964 |
| Cost to build a single storey extension | £26191 |
| Cost to build a side return extension | £30120 |
| Install an RSJ | £573 |
| Build an outbuilding | £1310 |
| Build a mansard loft conversion | £6548 |
| Cost of a loft conversion | £18334 |
| Build a kitchen extension | £6548 |
| Build a hip to gable loft conversion | £4911 |
| Build a granny annexe | £3274 |
| Build a garden office | £1310 |
| Convert a garage | £655 |
| Build a new garage | £1310 |
| Build a flat roof extension | £1113 |
| Build a dormer loft conversion | £1310 |
| Lay a concrete foundation | £1310 |
| Convert a bungalow loft | £1964 |
| Basement conversion cost | £18334 |