Extend your S33 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 S33?

Build a flat roof extension cost in S33 - Sort by rates or availability

Ethos Property Developments Limited

From £22,008

(last active 30/09/26)

Location

Stalybridge, SK15

Ethos Property Developments Limited is an established extension buildering business in S33. We come highly recommended and provide competitive quot...

CS Construction & Conversions

From £21,968

(last active 29/09/26)

Location

Rotherham, S65

Relax... you have found a reliable extension builder in S33. CS Construction & Conversions is a friendly and reliable company based in S33 who cons...

A Field Construction LTD

From £22,008

(last active 28/09/26)

Location

Sheffield, S8

We are a family run business with 20 years experience.

We take great care and attention to the work we carry out and pride ourselves on ...

We Build

From £21,848

(last active 22/09/26)

Location

Ashton-under-Lyne, OL6

Trusted and professional extension builder in S33. Experienced in all extension buildering work and keeping within budget and on quote. We Build ha...

CM BUILDING SERVICES

From £21,912

(last active 22/09/26)

Location

Austerlands, OL4

Relax... you have found a reliable extension builder in S33. CM BUILDING SERVICES is a friendly and reliable company based in S33 who consider no j...

Royle Interiors Ltd

From £21,904

(last active 17/09/26)

Location

Greater Manchester, SK15

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

JSY Electrical

From £21,824

(last active 08/09/26)

Location

Hyde, SK14

Relax... you have found a reliable extension builder in S33. JSY Electrical is a friendly and reliable company based in S33 who consider no job as ...

Merebrook Construction Ltd

From £21,936

(last active 08/09/26)

Location

Chesterfield, S40

Trusted and professional extension builder in S33. Experienced in all extension buildering work and keeping within budget and on quote. Merebrook C...

Dore Decor

From £21,936

(last active 08/09/26)

Location

South Yorkshire, S8

Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...

JON WINDLE CONSTRUCTION

From £21,288

(last active 08/09/26)

Location

Sheffield, S17

46 years in the trade

Flat roof extension cost in S33

Estimates for build a flat roof extension near S33

A flat roof extension ranges from the cheapest of £21,288 (JON WINDLE CONSTRUCTION based in S17) to the dearest of £22,008 (Ethos Property Developments Limited based in SK15), 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 S33 by posting a job with HaMuch. We'll send it to extension builders in S33.


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 Buxton£32£250
Build A Flat Roof Extension near Dronfield£33£262
Build A Flat Roof Extension near Sheffield£32£261
Build A Flat Roof Extension near Chesterfield£33£257
Build A Flat Roof Extension near Hyde£36£227
Build A Flat Roof Extension near Rotherham£33£257
Build A Flat Roof Extension near Holmfirth£30£232
Build A Flat Roof Extension near Stalybridge£38£231
Build A Flat Roof Extension near Stockport£35£234
Build A Flat Roof Extension near Macclesfield£32£239

Estimates for common extension builder jobs in S33;

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 - £17,363

Two storey extension

Two storey extension - £87,795

Build a timber frame extension

Build a timber frame extension - £25,863

Build a swimming pool

Build a swimming pool - £80,863

Single storey extension

Single storey extension - £52,264

Side return extension

Side return extension - £39,961

Install an RSJ

Install an RSJ - £2,063

Outbuilding

Outbuilding - £9,863

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,863

Loft conversion

Loft conversion - £32,468

Build a kitchen extension

Build a kitchen extension - £41,863

Hip to gable loft conversion

Hip to gable loft conversion - £41,863

Granny annexe

Granny annexe - £86,863

Garden office

Garden office - £9,863

Convert a Garage

Convert a Garage - £15,863

Garage

Garage - £18,363

Build a flat roof extension

Build a flat roof extension - £21,863

Build a dormer loft conversion

Build a dormer loft conversion - £41,863

Concrete foundations

Concrete foundations - £6,113

Convert a bungalow loft

Convert a bungalow loft - £28,863

Convert a basement

Convert a basement - £35,961

More extensions & conversions cost guides...