Extend your EX5 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 EX5?

Build a flat roof extension cost in EX5 - Sort by rates or availability

COMPLETE BUILDING SERVICES LTD

From £21,952

(last active 17/09/26)

Location

Exmouth, EX8

Experienced extension builder ready to quote for your work. COMPLETE BUILDING SERVICES LTD is the best extension builder in EX5. No obligation free...

Andrew Childs Fascias, Soffits & Guttering

From £21,472

(last active 16/09/26)

Location

Welli, TA21

Been installing fascia soffits for over twenty years i profide a very good service 

GJP BUILDING CONTRACTORS

From £21,488

(last active 16/09/26)

Location

Tiverton, EX16

GJP BUILDING CONTRACTORS is an established extension buildering business in EX5. We come highly recommended and provide competitive quotes for your...

KPM GROUNDWORKS & CONSTRUCTION

From £21,912

(last active 15/09/26)

Location

Kentisbeare, EX15

Need an Extension Builder in EX5? KPM GROUNDWORKS & CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jo...

LC Building Contractors Ltd

From £21,600

(last active 15/09/26)

Location

Dulverton, TA22

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

LC Building Contractors Ltd provides a local, trusted ex...

Axminster Design and Build Limited

From £21,864

(last active 15/09/26)

Location

Axminster, EX13

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

Axminster Design and Build Limited provides a local, tru...

Karesa Developments Ltd

From £22,064

(last active 15/09/26)

Location

Wellington, TA21

Karesa Developments Ltd is a trusted extension builder serving customers in EX5 and the surrounding area. Contact us to today to get a competitive ...

Chris Field General Builder

From £21,720

(last active 15/09/26)

Location

Ottery St Mary, EX11

Relax... you have found a reliable extension builder in EX5. Chris Field General Builder is a friendly and reliable company based in EX5 who consid...

JOHN WATTS PROPERTY MAINTENANCE

From £21,312

(last active 15/09/26)

Location

Tiverton, EX16

I have been in business for 20years. I like to do a good job. The area covered is mainly mid Devon, I will travel to other areas if required.

Griffiths Construction

From £21,984

(last active 15/09/26)

Location

Devon, EX16

Need an Extension Builder in EX5? Griffiths Construction has been helping local clients (20 mile radius) with their extension buildering jobs for m...

Flat roof extension cost in EX5

Estimates for build a flat roof extension near EX5

A flat roof extension ranges from the cheapest of £21,312 (JOHN WATTS PROPERTY MAINTENANCE based in EX16) to the dearest of £22,064 (Karesa Developments Ltd based in TA21), 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 EX5 by posting a job with HaMuch. We'll send it to extension builders in EX5.


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 Exeter£27£221
Build A Flat Roof Extension near East Devon£27£221
Build A Flat Roof Extension near Exmouth£24£210
Build A Flat Roof Extension near Tiverton£25£202
Build A Flat Roof Extension near Teignbridge£27£260
Build A Flat Roof Extension near Newton Abbot£27£236
Build A Flat Roof Extension near Torquay£28£223
Build A Flat Roof Extension near Torbay£27£223
Build A Flat Roof Extension near Paignton£27£222
Build A Flat Roof Extension near Taunton£31£242

Estimates for common extension builder jobs in EX5;

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 - £17,237

Two storey extension

Two storey extension - £87,605

Build a timber frame extension

Build a timber frame extension - £25,737

Build a swimming pool

Build a swimming pool - £80,737

Single storey extension

Single storey extension - £49,736

Side return extension

Side return extension - £38,539

Install an RSJ

Install an RSJ - £1,937

Outbuilding

Outbuilding - £9,737

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,737

Loft conversion

Loft conversion - £31,283

Build a kitchen extension

Build a kitchen extension - £41,737

Hip to gable loft conversion

Hip to gable loft conversion - £41,737

Granny annexe

Granny annexe - £86,737

Garden office

Garden office - £9,737

Convert a Garage

Convert a Garage - £15,737

Garage

Garage - £18,237

Build a flat roof extension

Build a flat roof extension - £21,737

Build a dormer loft conversion

Build a dormer loft conversion - £41,737

Concrete foundations

Concrete foundations - £5,987

Convert a bungalow loft

Convert a bungalow loft - £28,737

Convert a basement

Convert a basement - £34,539

More extensions & conversions cost guides...