Range from the cheapest £18 per hour and £150 per day (ASKEW CONSTRUCTION based in CA4) to the dearest £21 per hour and £177 per day (NEWBY BUILDING & CONSTRUCTION based in CA10).
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.
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See table for all Extension Builder rates in CA4
| Job details | Estimate |
| Underpinning a house | £1147 |
| Build a two storey extension | £3822 |
| Build a timber frame extension | £3822 |
| Install a swimming pool | £2293 |
| Cost to build a single storey extension | £30574 |
| Cost to build a side return extension | £35161 |
| Install an RSJ | £669 |
| Build an outbuilding | £1529 |
| Build a mansard loft conversion | £7644 |
| Cost of a loft conversion | £21402 |
| Build a kitchen extension | £7644 |
| Build a hip to gable loft conversion | £5733 |
| Build a granny annexe | £3822 |
| Build a garden office | £1529 |
| Convert a garage | £764 |
| Build a new garage | £1529 |
| Build a flat roof extension | £1299 |
| Build a dormer loft conversion | £1529 |
| Lay a concrete foundation | £1529 |
| Convert a bungalow loft | £2293 |
| Basement conversion cost | £21402 |
| Business name | Hourly Rate | Daily Rate |
|---|---|---|
| M c trading, Cumbria, Ca2 | £21 | £164 |
| maizxdesign, Cumbria, CA1 | £21 | £164 |
| BUILDING TEC LIMITED , , CA2 | £19 | £154 |
| ASKEW CONSTRUCTION, , CA4 | £18 | £150 |
| Handyman Decks Building, Londonderry, CA2 | £21 | £164 |
| LLED CONSTRUCTION LTD, , CA6 | £19 | £154 |
| HEDLEYS ROOFING T/A, , CA6 | £20 | £157 |
| L J Renvoize Building, Penrith, CA10 | £20 | £161 |
| IAN PEARSON JOINER & BUILDER, , CA6 | £19 | £154 |
| PAUL LITTLE BUILDING MAINT, , CA7 | £19 | £153 |
| NEWBY BUILDING & CONSTRUCTION, , CA10 | £21 | £177 |