Extend your Pill 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 Pill?

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

P.D.Builders

From £21,872

(last active 01/10/26)

Location

Abertillery, NP13

Need an Extension Builder in Pill? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...

A.Gaddarn Builders

From £21,200

(last active 01/10/26)

Location

Newprt, NP11

Very reliable honest and hard working guarantee all work clean and tidy first class work

Sunnyside Property Developments

From £21,944

(last active 01/10/26)

Location

Avon, BS48

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

A M I Construction

From £21,880

(last active 30/09/26)

Location

Caldicot, NP26

Relax... you have found a reliable extension builder in Pill. A M I Construction is a friendly and reliable company based in Pill who consider no j...

N J Laity & Son & Grandson's

From £22,296

(last active 30/09/26)

Location

Brentry, BS10

N J Laity & Son & Grandson's are here to help customers who need an Extension Builder in Pill. We offer a competitive rate to complete all your ext...

MOORLAND DESIGN & BUILD LTD

From £21,840

(last active 30/09/26)

Location

Nailsea, BS48

MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in Pill. We offer a competitive rate to complete all your exte...

Neil Causon & Son

From £21,728

(last active 30/09/26)

Location

Clevedon, BS21

Neil Causon & Son is an established and experienced local extension builder in Pill. Please contact us for a free, no obligation quote and competit...

Mucha Construcion

From £21,824

(last active 30/09/26)

Location

Brentry, BS10

Need an Extension Builder in Pill? Mucha Construcion has been helping local clients (20 mile radius) with their extension buildering jobs for many ...

RD Pope Construction

From £21,920

(last active 26/09/26)

Location

Bristol, BS7

Relax... you have found a reliable extension builder in Pill. RD Pope Construction is a friendly and reliable company based in Pill who consider no...

JA Building Maintenance

From £21,616

(last active 25/09/26)

Location

Grangetown, CF11

Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in Pill. No obligation free quote...

Flat roof extension cost in Pill

Estimates for build a flat roof extension near Pill

A flat roof extension ranges from the cheapest of £21,200 (A.Gaddarn Builders based in NP11) to the dearest of £22,296 (N J Laity & Son & Grandson's based in BS10), 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 Pill by posting a job with HaMuch. We'll send it to extension builders in Pill.


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 Newport£41£233
Build A Flat Roof Extension near Cwmbran£43£219
Build A Flat Roof Extension near Risca£32£218
Build A Flat Roof Extension near Pontypool£30£210
Build A Flat Roof Extension near Caerphilly£33£208
Build A Flat Roof Extension near Cardiff£34£219
Build A Flat Roof Extension near Clevedon£32£243
Build A Flat Roof Extension near Portishead£33£247
Build A Flat Roof Extension near Penarth£35£218
Build A Flat Roof Extension near Church Village£34£214

Estimates for common extension builder jobs in Pill;

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 - £17,312

Two storey extension

Two storey extension - £87,718

Build a timber frame extension

Build a timber frame extension - £25,812

Build a swimming pool

Build a swimming pool - £80,812

Single storey extension

Single storey extension - £51,240

Side return extension

Side return extension - £39,385

Install an RSJ

Install an RSJ - £2,012

Outbuilding

Outbuilding - £9,812

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,812

Loft conversion

Loft conversion - £31,988

Build a kitchen extension

Build a kitchen extension - £41,812

Hip to gable loft conversion

Hip to gable loft conversion - £41,812

Granny annexe

Granny annexe - £86,812

Garden office

Garden office - £9,812

Convert a Garage

Convert a Garage - £15,812

Garage

Garage - £18,312

Build a flat roof extension

Build a flat roof extension - £21,812

Build a dormer loft conversion

Build a dormer loft conversion - £41,812

Concrete foundations

Concrete foundations - £6,062

Convert a bungalow loft

Convert a bungalow loft - £28,812

Convert a basement

Convert a basement - £35,385

More extensions & conversions cost guides...