Range from the cheapest single storey extension £29200 (R i daniels based in SA14) to the dearest single storey extension £42480 (Rowan Evans Building Contractors based in Sa4).
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 Kidwelly by posting a job with HaMuch and we will send it to extension builders in Kidwelly.
Job | Estimate |
Underpinning a house | £16986 |
Build a two storey extension | £87229 |
Build a timber frame extension | £25486 |
Install a swimming pool | £80486 |
Cost to build a single storey extension | £39722 |
Cost to build a side return extension | £31718 |
Install an RSJ | £1686 |
Build an outbuilding | £9486 |
Build a mansard loft conversion | £51486 |
Cost of a loft conversion | £28932 |
Build a kitchen extension | £41486 |
Build a hip to gable loft conversion | £41486 |
Build a granny annexe | £86486 |
Build a garden office | £9486 |
Convert a garage | £15486 |
Build a new garage | £17986 |
Build a flat roof extension | £21486 |
Build a dormer loft conversion | £41486 |
Lay a concrete foundation | £5736 |
Convert a bungalow loft | £28486 |
Basement conversion cost | £31718 |