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Select your affordable B1 extension builder
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in B1. No obligation free quotes an...
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
Lloyd Clarke
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
Brickfast Builders is an established extension buildering business in B1. We come highly recommended and provide competitive quotes for your work.<...
AJ Home Improvements is an established extension buildering business in B1. We come highly recommended and provide competitive quotes for your work...
Trusted and professional extension builder in B1. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal Const...
Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B1. No obligation free quotes and many happy ...
From £32,400
HSS CONSTRUCTION LTD are here to help customers who need an Extension Builder in B1. We offer a competitive rate to complete all your extension bui...
From £30,900
Need an Extension Builder in B1? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
From £32,025
Our building services company Chadha Constructions Limited was established in March 2021, but have been providing professional, trustworthy buildin...

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 B1 by posting your job to extension builders in B1.
"2 bedroom loft conversion with shower room and a toilet" - BIRMINGHAM, job posted 08/03/23
"Basic Loft conversion with bathroom" - BIRMINGHAM, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Birmingham | £28 | £228 |
| Loft Conversion near Smethwick | £29 | £230 |
| Loft Conversion near Oldbury | £29 | £229 |
| Loft Conversion near West Bromwich | £29 | £228 |
| Loft Conversion near Halesowen | £28 | £225 |
| Loft Conversion near Rowley Regis | £29 | £228 |
| Loft Conversion near Sandwell | £29 | £231 |
| Loft Conversion near Sutton Coldfield | £28 | £227 |
| Loft Conversion near Solihull | £29 | £231 |
| Loft Conversion near Tipton | £29 | £228 |
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 - £17,307

Two storey extension - £87,711

Build a timber frame extension - £25,807

Build a swimming pool - £80,807

Single storey extension - £51,144

Side return extension - £39,331

Install an RSJ - £2,007

Outbuilding - £9,807

Build a Mansard loft conversion - £51,807

Loft conversion - £31,943

Build a kitchen extension - £41,807

Hip to gable loft conversion - £41,807

Granny annexe - £86,807

Garden office - £9,807

Convert a Garage - £15,807

Garage - £18,307

Build a flat roof extension - £21,807

Build a dormer loft conversion - £41,807

Concrete foundations - £6,057

Convert a bungalow loft - £28,807

Convert a basement - £35,331