Range from the cheapest single storey extension £30800 (OCC Construction based in NE10) to the dearest single storey extension £59600 (John Barrett Joiner Builder based in NE37).
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 Newcastle Upon Tyne by posting a job with HaMuch and we will send it to extension builders in Newcastle Upon Tyne.
27/02/2024
Single storey extension
Job | Estimate |
Underpinning a house | £17225 |
Build a two storey extension | £87587 |
Build a timber frame extension | £25725 |
Install a swimming pool | £80725 |
Cost to build a single storey extension | £44496 |
Cost to build a side return extension | £34404 |
Install an RSJ | £1925 |
Build an outbuilding | £9725 |
Build a mansard loft conversion | £51725 |
Cost of a loft conversion | £31170 |
Build a kitchen extension | £41725 |
Build a hip to gable loft conversion | £41725 |
Build a granny annexe | £86725 |
Build a garden office | £9725 |
Convert a garage | £15725 |
Build a new garage | £18225 |
Build a flat roof extension | £21725 |
Build a dormer loft conversion | £41725 |
Lay a concrete foundation | £5975 |
Convert a bungalow loft | £28725 |
Basement conversion cost | £34404 |