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Select your affordable B21 extension builder
Relax... you have found a reliable extension builder in B21. MD Services is a friendly and reliable company based in B21 who consider no job as too...
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
Brickfast Builders is an established extension buildering business in B21. We come highly recommended and provide competitive quotes for your work....
Need an Extension Builder in B21? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
Dave Mattock is an established and experienced local extension builder in B21. Please contact us for a free, no obligation quote and competitive ra...
Need an Extension Builder in B21? DLB Property Improvements & Maintenance has been helping local clients (20 mile radius) with their extension buil...
Need to find an Extension Builder near you for all your extension buildering work?
B S Builders provides a local, trusted extension builder...
Our building services company Bestway Building Services Ltd have eight years experience and have been helping customers in the West Midlands provid...
Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B21. No obligation free quotes and many happy...
From £32,400
HSS CONSTRUCTION LTD are here to help customers who need an Extension Builder in B21. We offer a competitive rate to complete all your extension bu...

Comparing extension builders estimates for Loft conversion 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 of a loft conversion in B21 by posting your job to extension builders in B21.
"Loft conversion. I live in 2 bedroom semi detached house" - B19, job posted 07/10/23
"2 bedroom loft conversion with shower room and a toilet" - BIRMINGHAM, job posted 03/08/23
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Smethwick | £29 | £230 |
| Loft Conversion near Birmingham | £28 | £228 |
| Loft Conversion near West Bromwich | £29 | £228 |
| Loft Conversion near Oldbury | £29 | £229 |
| Loft Conversion near Sandwell | £29 | £231 |
| Loft Conversion near Rowley Regis | £29 | £228 |
| Loft Conversion near Wednesbury | £29 | £230 |
| Loft Conversion near Tipton | £29 | £228 |
| Loft Conversion near Halesowen | £28 | £225 |
| Loft Conversion near Walsall | £29 | £229 |
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 - £17,379

Two storey extension - £87,819

Build a timber frame extension - £25,879

Build a swimming pool - £80,879

Single storey extension - £52,584

Side return extension - £40,141

Install an RSJ - £2,079

Outbuilding - £9,879

Build a Mansard loft conversion - £51,879

Loft conversion - £32,618

Build a kitchen extension - £41,879

Hip to gable loft conversion - £41,879

Granny annexe - £86,879

Garden office - £9,879

Convert a Garage - £15,879

Garage - £18,379

Build a flat roof extension - £21,879

Build a dormer loft conversion - £41,879

Concrete foundations - £6,129

Convert a bungalow loft - £28,879

Convert a basement - £36,141