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Trusted and professional extension builder in Thornaby. Experienced in all extension buildering work and keeping within budget and on quote. Empire...
Relax... you have found a reliable extension builder in Thornaby. Under Pressure is a friendly and reliable company based in Thornaby who consider ...
From £36,780
Design Consultancy & Construction Services Ltd are here to help customers who need an Extension Builder in Thornaby. We offer a competitive rate to...
From £37,230
Need an Extension Builder in Thornaby? M&K BEDROOM DESIGNS has been helping local clients (20 mile radius) with their extension buildering jobs for...

Comparing extension builders estimates for a Convert a basement 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 for the cost to convert a basement in Thornaby by posting a job with HaMuch and we will send it to extension builders in Thornaby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Thornaby-on-Tees | £42 | £231 |
| Convert A Basement near Ingleby Barwick | £41 | £228 |
| Convert A Basement near Stockton-on-Tees | £41 | £228 |
| Convert A Basement near Middlesbrough | £43 | £236 |
| Convert A Basement near Billingham | £44 | £242 |
| Convert A Basement near Eston | £42 | £241 |
| Convert A Basement near Redcar & Cleveland | £43 | £254 |
| Convert A Basement near Darlington | £60 | £222 |
| Convert A Basement near Redcar | £42 | £240 |
| Convert A Basement near Hartlepool | £40 | £236 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,384

Two storey extension - £87,826

Build a timber frame extension - £25,884

Build a swimming pool - £80,884

Single storey extension - £52,680

Side return extension - £40,195

Install an RSJ - £2,084

Outbuilding - £9,884

Build a Mansard loft conversion - £51,884

Loft conversion - £32,663

Build a kitchen extension - £41,884

Hip to gable loft conversion - £41,884

Granny annexe - £86,884

Garden office - £9,884

Convert a Garage - £15,884

Garage - £18,384

Build a flat roof extension - £21,884

Build a dormer loft conversion - £41,884

Concrete foundations - £6,134

Convert a bungalow loft - £28,884

Convert a basement - £36,195