Extension builder estimates (based on hourly rates) to build a single storey extension in Lymm
Range from the cheapest single storey extension £35600 (QUALITAS BUILDING & JOINERY PR based in WA12) to the dearest single storey extension £43440 (Capital project control based in wa16).
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 Lymm by posting a job with HaMuch and we will send it to extension builders in Lymm.
Estimates for common extension builder jobs in Lymm;
| Job | Estimate |
| Underpinning a house | £17093 |
| Build a two storey extension | £87389 |
| Build a timber frame extension | £25593 |
| Install a swimming pool | £80593 |
| Cost to build a single storey extension | £41859 |
| Cost to build a side return extension | £32921 |
| Install an RSJ | £1793 |
| Build an outbuilding | £9593 |
| Build a mansard loft conversion | £51593 |
| Cost of a loft conversion | £29934 |
| Build a kitchen extension | £41593 |
| Build a hip to gable loft conversion | £41593 |
| Build a granny annexe | £86593 |
| Build a garden office | £9593 |
| Convert a garage | £15593 |
| Build a new garage | £18093 |
| Build a flat roof extension | £21593 |
| Build a dormer loft conversion | £41593 |
| Lay a concrete foundation | £5843 |
| Convert a bungalow loft | £28593 |
| Basement conversion cost | £32921 |