Extend your Lozells with an extension

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in Lozells?

Build a flat roof extension cost in Lozells - Sort by rates or availability

Sperin Services

From £22,800

Member since December 2022

Location

Smethwick, B66

Please refer to for further information. My name is Gus Sperin. I am self-employed electrician, and I have been ...

Byrne Roofing & Property Repairs

From £21,696

(last active 03/10/26)

Location

Coventry, CV6

Trusted and professional extension builder in Lozells. Experienced in all extension buildering work and keeping within budget and on quote. Byrne R...

Barrys Home & Maintenance

From £21,576

(last active 03/10/26)

Location

Coventry, CV3

Need an Extension Builder in Lozells? Barrys Home & Maintenance has been helping local clients (20 mile radius) with their extension buildering job...

BAKER CONSTRUCTION

From £21,712

(last active 03/10/26)

Location

Allesley, CV5

Need to find an Extension Builder near you for all your extension buildering work?

BAKER CONSTRUCTION provides a local, trusted extension b...

TKB Construction

From £21,944

(last active 03/10/26)

Location

Bedworth, CV12

Experienced extension builder ready to quote for your work. TKB Construction is the best extension builder in Lozells. No obligation free quotes an...

Mark Anthony Builders

From £21,960

(last active 03/10/26)

Location

Hawkes End, CV7

Mark Anthony Builders are here to help customers who need an Extension Builder in Lozells. We offer a competitive rate to complete all your extensi...

Simms Building Services Ltd

From £21,472

(last active 03/10/26)

Location

Coventry, CV2

33 years experience focussing on full home refurbishments, extensions, kitchens & bathrooms, rubber roofing, floor screed & loft conversion...

Mint Landscaping

From £21,880

(last active 03/10/26)

Location

Holbrooks, CV6

Need an Extension Builder in Lozells? Mint Landscaping has been helping local clients (20 mile radius) with their extension buildering jobs for man...

CREATION BUILDING SERVICES

From £21,944

(last active 02/10/26)

Location

Birmingham, B38

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Staffordshire Conservatories LTD

From £21,832

(last active 02/10/26)

Location

Lichfield, WS13

Trusted and professional extension builder in Lozells. Experienced in all extension buildering work and keeping within budget and on quote. Staffor...

Flat roof extension cost in Lozells

Estimates for build a flat roof extension near Lozells

A flat roof extension ranges from the cheapest of £21,472 (Simms Building Services Ltd based in CV2) to the dearest of £22,800 (Sperin Services based in B66), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes. 

Find out how much your flat roof extension will cost in Lozells by posting a job with HaMuch. We'll send it to extension builders in Lozells.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Build A Flat Roof Extension near Birmingham£29£227
Build A Flat Roof Extension near Smethwick£29£226
Build A Flat Roof Extension near Oldbury£29£227
Build A Flat Roof Extension near West Bromwich£29£227
Build A Flat Roof Extension near Sutton Coldfield£29£228
Build A Flat Roof Extension near Sandwell£29£229
Build A Flat Roof Extension near Rowley Regis£29£226
Build A Flat Roof Extension near Halesowen£29£227
Build A Flat Roof Extension near Wednesbury£29£227
Build A Flat Roof Extension near Tipton£29£227

Estimates for common extension builder jobs in Lozells;

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

Underpin a building - £17,382

Two storey extension

Two storey extension - £87,822

Build a timber frame extension

Build a timber frame extension - £25,882

Build a swimming pool

Build a swimming pool - £80,882

Single storey extension

Single storey extension - £52,632

Side return extension

Side return extension - £40,168

Install an RSJ

Install an RSJ - £2,082

Outbuilding

Outbuilding - £9,882

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,882

Loft conversion

Loft conversion - £32,640

Build a kitchen extension

Build a kitchen extension - £41,882

Hip to gable loft conversion

Hip to gable loft conversion - £41,882

Granny annexe

Granny annexe - £86,882

Garden office

Garden office - £9,882

Convert a Garage

Convert a Garage - £15,882

Garage

Garage - £18,382

Build a flat roof extension

Build a flat roof extension - £21,882

Build a dormer loft conversion

Build a dormer loft conversion - £41,882

Concrete foundations

Concrete foundations - £6,132

Convert a bungalow loft

Convert a bungalow loft - £28,882

Convert a basement

Convert a basement - £36,168

More extensions & conversions cost guides...