Extend your NG1 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 NG1?

Build a flat roof extension cost in NG1 - 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 ...

Taylormade Conservatories

From £21,904

(last active 19/09/26)

Location

Colevill, LE67

Taylormade Conservatories are a local conservatory building company based in Coalville. For 42 years, we have been providing excellent conservatory...

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...

J M Lidwell

From £21,888

(last active 17/09/26)

Location

Coalville, LE67

Experienced extension builder ready to quote for your work. J M Lidwell is the best extension builder in NG1. No obligation free quotes and many ha...

IH Properties Ltd

From £22,040

(last active 17/09/26)

Location

Coalville, LE67

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

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 NG1. 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 NG1. Bennett Damp Proofing & Timber is a friendly and reliable company based in NG1 who con...

Patrick David Building Services Limited

From £21,936

(last active 10/09/26)

Location

Wollaton, NG8

Need an Extension Builder in NG1? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension buil...

Flat roof extension cost in NG1

Estimates for build a flat roof extension near NG1

A flat roof extension ranges from the cheapest of £21,000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to the dearest of £22,040 (IH Properties Ltd based in LE67), 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 NG1 by posting a job with HaMuch. We'll send it to extension builders in NG1.


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 Nottingham£34£241
Build A Flat Roof Extension near West Bridgford£33£245
Build A Flat Roof Extension near Carlton£33£242
Build A Flat Roof Extension near Gedling£33£242
Build A Flat Roof Extension near Arnold£35£244
Build A Flat Roof Extension near Broxtowe£34£240
Build A Flat Roof Extension near Hucknall£35£258
Build A Flat Roof Extension near Long Eaton£32£249
Build A Flat Roof Extension near Ilkeston£31£236
Build A Flat Roof Extension near Erewash£31£234

Estimates for common extension builder jobs in NG1;

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 - £17,291

Two storey extension

Two storey extension - £87,687

Build a timber frame extension

Build a timber frame extension - £25,791

Build a swimming pool

Build a swimming pool - £80,791

Single storey extension

Single storey extension - £50,824

Side return extension

Side return extension - £39,151

Install an RSJ

Install an RSJ - £1,991

Outbuilding

Outbuilding - £9,791

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,791

Loft conversion

Loft conversion - £31,793

Build a kitchen extension

Build a kitchen extension - £41,791

Hip to gable loft conversion

Hip to gable loft conversion - £41,791

Granny annexe

Granny annexe - £86,791

Garden office

Garden office - £9,791

Convert a Garage

Convert a Garage - £15,791

Garage

Garage - £18,291

Build a flat roof extension

Build a flat roof extension - £21,791

Build a dormer loft conversion

Build a dormer loft conversion - £41,791

Concrete foundations

Concrete foundations - £6,041

Convert a bungalow loft

Convert a bungalow loft - £28,791

Convert a basement

Convert a basement - £35,151

More extensions & conversions cost guides...