Range from the cheapest single storey extension £46800 (Pillar Contractors Ltd based in W1K) to the dearest single storey extension £58000 (A1&PM based in W1H).
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 Oxford Street by posting a job with HaMuch and we will send it to extension builders in Oxford Street.
Job | Estimate |
Underpinning a house | £17428 |
Build a two storey extension | £87892 |
Build a timber frame extension | £25928 |
Install a swimming pool | £80928 |
Cost to build a single storey extension | £48566 |
Cost to build a side return extension | £36694 |
Install an RSJ | £2128 |
Build an outbuilding | £9928 |
Build a mansard loft conversion | £51928 |
Cost of a loft conversion | £33078 |
Build a kitchen extension | £41928 |
Build a hip to gable loft conversion | £41928 |
Build a granny annexe | £86928 |
Build a garden office | £9928 |
Convert a garage | £15928 |
Build a new garage | £18428 |
Build a flat roof extension | £21928 |
Build a dormer loft conversion | £41928 |
Lay a concrete foundation | £6178 |
Convert a bungalow loft | £28928 |
Basement conversion cost | £36694 |