Extend your Giggleswick 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 Giggleswick?

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

Renovasion badrom

From £21,656

(last active 23/09/26)

Location

Barliy, BB10

Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future

C Richards & C Emmett

From £22,040

(last active 07/08/26)

Location

Steeton, BD20

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

Tom Mayfield Builder & Contractor

From £22,008

(last active 07/08/26)

Location

Carleton-in-Craven, BD23

Tom Mayfield Builder & Contractor are here to help customers who need an Extension Builder in Giggleswick. We offer a competitive rate to complete ...

S G Building Services

From £21,688

(last active 07/08/26)

Location

Salterforth, BB18

S G Building Services is an established extension buildering business in Giggleswick. We come highly recommended and provide competitive quotes for...

Lawson Garage Doors

From £21,736

(last active 07/08/26)

Location

Steeton, BD20

Lawson Garage Doors is a trusted extension builder serving customers in Giggleswick and the surrounding area. Contact us to today to get a competit...

NOBLETT BUILDING SERVICES

From £21,680

(last active 30/07/26)

Location

Clitheroe, BB7

Need an Extension Builder in Giggleswick? NOBLETT BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering...

M.A Martins

From £21,656

(last active 30/07/26)

Location

Cliviger, BB10

Need an Extension Builder in Giggleswick? M.A Martins has been helping local clients (20 mile radius) with their extension buildering jobs for many...

A M BUILDING MAINTAINANCE

From £21,736

(last active 30/07/26)

Location

Nelson, BB9

A M BUILDING MAINTAINANCE is an established extension buildering business in Giggleswick. We come highly recommended and provide competitive quotes...

CROSS CONSTRUCTION LTD

From £21,640

(last active 30/07/26)

Location

Cliviger, BB10

Relax... you have found a reliable extension builder in Giggleswick. CROSS CONSTRUCTION LTD is a friendly and reliable company based in Giggleswick...

Garage Door Services Lancashire

From £21,688

(last active 30/07/26)

Location

Nelson, BB9

Experienced extension builder ready to quote for your work. Garage Door Services Lancashire is the best extension builder in Giggleswick. No obliga...

Flat roof extension cost in Giggleswick

Estimates for build a flat roof extension near Giggleswick

A flat roof extension ranges from the cheapest of £21,640 (CROSS CONSTRUCTION LTD based in BB10) to the dearest of £22,040 (C Richards & C Emmett based in BD20), 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 Giggleswick by posting a job with HaMuch. We'll send it to extension builders in Giggleswick.


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 Nelson£27£214
Build A Flat Roof Extension near Burnley£29£219
Build A Flat Roof Extension near Keighley£30£226
Build A Flat Roof Extension near Lancaster£25£211
Build A Flat Roof Extension near Accrington£33£243
Build A Flat Roof Extension near Bingley£30£228
Build A Flat Roof Extension near Morecambe£25£212
Build A Flat Roof Extension near Blackburn£33£246
Build A Flat Roof Extension near Calderdale£33£253
Build A Flat Roof Extension near Rawtenstall£29£213

Estimates for common extension builder jobs in Giggleswick;

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 - £17,253

Two storey extension

Two storey extension - £87,629

Build a timber frame extension

Build a timber frame extension - £25,753

Build a swimming pool

Build a swimming pool - £80,753

Single storey extension

Single storey extension - £50,056

Side return extension

Side return extension - £38,719

Install an RSJ

Install an RSJ - £1,953

Outbuilding

Outbuilding - £9,753

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,753

Loft conversion

Loft conversion - £31,433

Build a kitchen extension

Build a kitchen extension - £41,753

Hip to gable loft conversion

Hip to gable loft conversion - £41,753

Granny annexe

Granny annexe - £86,753

Garden office

Garden office - £9,753

Convert a Garage

Convert a Garage - £15,753

Garage

Garage - £18,253

Build a flat roof extension

Build a flat roof extension - £21,753

Build a dormer loft conversion

Build a dormer loft conversion - £41,753

Concrete foundations

Concrete foundations - £6,003

Convert a bungalow loft

Convert a bungalow loft - £28,753

Convert a basement

Convert a basement - £34,719

More extensions & conversions cost guides...