Range from the cheapest single storey extension £46960 (Mez Construction based in HA5) to the dearest single storey extension £50000 (K Mccormack based in HA1).
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 Rayners Lane by posting a job with HaMuch and we will send it to extension builders in Rayners Lane.
Job | Estimate |
Underpinning a house | £17411 |
Build a two storey extension | £87866 |
Build a timber frame extension | £25911 |
Install a swimming pool | £80911 |
Cost to build a single storey extension | £48214 |
Cost to build a side return extension | £36496 |
Install an RSJ | £2111 |
Build an outbuilding | £9911 |
Build a mansard loft conversion | £51911 |
Cost of a loft conversion | £32913 |
Build a kitchen extension | £41911 |
Build a hip to gable loft conversion | £41911 |
Build a granny annexe | £86911 |
Build a garden office | £9911 |
Convert a garage | £15911 |
Build a new garage | £18411 |
Build a flat roof extension | £21911 |
Build a dormer loft conversion | £41911 |
Lay a concrete foundation | £6161 |
Convert a bungalow loft | £28911 |
Basement conversion cost | £36496 |