Extension builder estimates (based on hourly rates) to build a single storey extension in EC1V
Range from the cheapest single storey extension £42000 (Wall Colour Group Limited based in EC1V) to the dearest single storey extension £48880 (Fornia Build Ltd based in EC1V).
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 EC1V by posting a job with HaMuch and we will send it to extension builders in EC1V.
Estimates for common extension builder jobs in EC1V;
| Job | Estimate |
| Underpinning a house | £17396 |
| Build a two storey extension | £87844 |
| Build a timber frame extension | £25896 |
| Install a swimming pool | £80896 |
| Cost to build a single storey extension | £47914 |
| Cost to build a side return extension | £36326 |
| Install an RSJ | £2096 |
| Build an outbuilding | £9896 |
| Build a mansard loft conversion | £51896 |
| Cost of a loft conversion | £32772 |
| Build a kitchen extension | £41896 |
| Build a hip to gable loft conversion | £41896 |
| Build a granny annexe | £86896 |
| Build a garden office | £9896 |
| Convert a garage | £15896 |
| Build a flat roof extension | £21896 |
| Build a dormer loft conversion | £41896 |
| Lay a concrete foundation | £6146 |
| Convert a bungalow loft | £28896 |
| Basement conversion cost | £36326 |