Range from the cheapest single storey extension £46800 (Peter Cox Ltd - Uxbridge based in UB8) to the dearest single storey extension £53200 (Sula Construction based in UB4).
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 Hillingdon by posting a job with HaMuch and we will send it to extension builders in Hillingdon.
Job | Estimate |
Underpinning a house | £17416 |
Build a two storey extension | £87875 |
Build a timber frame extension | £25916 |
Install a swimming pool | £80916 |
Cost to build a single storey extension | £48330 |
Cost to build a side return extension | £36560 |
Install an RSJ | £2116 |
Build an outbuilding | £9916 |
Build a mansard loft conversion | £51916 |
Cost of a loft conversion | £32967 |
Build a kitchen extension | £41916 |
Build a hip to gable loft conversion | £41916 |
Build a granny annexe | £86916 |
Build a garden office | £9916 |
Convert a garage | £15916 |
Build a new garage | £18416 |
Build a flat roof extension | £21916 |
Build a dormer loft conversion | £41916 |
Lay a concrete foundation | £6166 |
Convert a bungalow loft | £28916 |
Basement conversion cost | £36560 |