Extend your NG15 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 NG15?

Build a flat roof extension cost in NG15 - Sort by rates or availability

A B Building Roofing Services

From £21,992

(last active 01/10/26)

Location

Mansfield, NG18

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

A B Building Roofing Services provides a local, trusted ...

Key Construction

From £21,320

(last active 19/09/26)

Location

Nottingham, NG4

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

Constructive Choice Ltd

From £21,952

(last active 19/09/26)

Location

Nottingham, NG2

We offer a range of building services that are tailored to meet the specific needs of our clients. Whether you are looking to extend your home, con...

HUSKINSON CONSTR SRVCS LTD

From £21,000

(last active 10/09/26)

Location

Nottingham, NG16

Honest, reliable, experienced building/civil engineering contractor established in 2001.

JG Design & Build

From £22,024

(last active 10/09/26)

Location

Wollaton, NG8

JG Design & Build is an established extension buildering business in NG15. We come highly recommended and provide competitive quotes for your work....

Bennett Damp Proofing & Timber

From £21,856

(last active 10/09/26)

Location

Wollaton, NG8

Relax... you have found a reliable extension builder in NG15. Bennett Damp Proofing & Timber is a friendly and reliable company based in NG15 who c...

Patrick David Building Services Limited

From £21,936

(last active 10/09/26)

Location

Wollaton, NG8

Need an Extension Builder in NG15? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension bui...

Tall Tree Builders

From £21,888

(last active 10/09/26)

Location

Wollaton, NG8

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

M F Westwick Construction Ltd

From £21,912

(last active 10/09/26)

Location

Long Eaton, NG10

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

M F Westwick Construction Ltd provides a local, trusted ...

RMS Building Services

From £21,760

(last active 10/09/26)

Location

Nottingham, NG16

RMS Building Services is a trusted extension builder serving customers in NG15 and the surrounding area. Contact us to today to get a competitive q...

Flat roof extension cost in NG15

Estimates for build a flat roof extension near NG15

A flat roof extension ranges from the cheapest of £21,000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to the dearest of £22,024 (JG Design & Build based in NG8), 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 NG15 by posting a job with HaMuch. We'll send it to extension builders in NG15.


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 Hucknall£35£258
Build A Flat Roof Extension near Ashfield£34£269
Build A Flat Roof Extension near Arnold£35£244
Build A Flat Roof Extension near Kirkby-in-Ashfield£34£269
Build A Flat Roof Extension near Broxtowe£34£240
Build A Flat Roof Extension near Sutton-in-Ashfield£33£264
Build A Flat Roof Extension near Mansfield£33£261
Build A Flat Roof Extension near Nottingham£34£241
Build A Flat Roof Extension near Heanor£31£236
Build A Flat Roof Extension near Ilkeston£31£236

Estimates for common extension builder jobs in NG15;

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 - £17,264

Two storey extension

Two storey extension - £87,646

Build a timber frame extension

Build a timber frame extension - £25,764

Build a swimming pool

Build a swimming pool - £80,764

Single storey extension

Single storey extension - £50,280

Side return extension

Side return extension - £38,845

Install an RSJ

Install an RSJ - £1,964

Outbuilding

Outbuilding - £9,764

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,764

Loft conversion

Loft conversion - £31,538

Build a kitchen extension

Build a kitchen extension - £41,764

Hip to gable loft conversion

Hip to gable loft conversion - £41,764

Granny annexe

Granny annexe - £86,764

Garden office

Garden office - £9,764

Convert a Garage

Convert a Garage - £15,764

Garage

Garage - £18,264

Build a flat roof extension

Build a flat roof extension - £21,764

Build a dormer loft conversion

Build a dormer loft conversion - £41,764

Concrete foundations

Concrete foundations - £6,014

Convert a bungalow loft

Convert a bungalow loft - £28,764

Convert a basement

Convert a basement - £34,845

More extensions & conversions cost guides...