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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 £51,856
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 £51,696
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 £51,816
Our building services company Chadha Constructions Limited was established in March 2021, but have been providing professional, trustworthy buildin...

Mansard loft conversions range from the cheapest installation of £51,568 (Bhogal Construction based in B67) to the dearest of around £51,984 (Atwal Building Services Ltd based in B20).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in B1 by posting a job with HaMuch and we'll send it to extension builders in B1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Birmingham | £28 | £228 |
| Build A Mansard Loft Conversion near Smethwick | £29 | £230 |
| Build A Mansard Loft Conversion near Oldbury | £29 | £229 |
| Build A Mansard Loft Conversion near West Bromwich | £29 | £228 |
| Build A Mansard Loft Conversion near Halesowen | £28 | £225 |
| Build A Mansard Loft Conversion near Rowley Regis | £29 | £228 |
| Build A Mansard Loft Conversion near Sandwell | £29 | £231 |
| Build A Mansard Loft Conversion near Sutton Coldfield | £28 | £227 |
| Build A Mansard Loft Conversion near Solihull | £29 | £231 |
| Build A Mansard 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