Extend your Dulverton 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 Dulverton?

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

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 Dulverton. We come highly recommended and provide competitive quotes fo...

KPM GROUNDWORKS & CONSTRUCTION

From £21,912

(last active 15/09/26)

Location

Kentisbeare, EX15

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

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...

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 Dulverton and the surrounding area. Contact us to today to get a compet...

KEVIN GIBBS GENERAL BUILDING

From £22,024

(last active 15/09/26)

Location

Taunton, TA1

Trusted and professional extension builder in Dulverton. Experienced in all extension buildering work and keeping within budget and on quote. KEVIN...

Griffiths Construction

From £21,984

(last active 15/09/26)

Location

Devon, EX16

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

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.

SDP CONSTRUCTION LTD

From £21,640

(last active 05/09/26)

Location

Lydeard St Lawrence, TA4

SDP CONSTRUCTION LTD is a trusted extension builder serving customers in Dulverton and the surrounding area. Contact us to today to get a competiti...

Inside Out Solutions

From £21,664

(last active 22/06/26)

Location

Minehead, TA24

Inside Out Solutions is an established and experienced local extension builder in Dulverton. Please contact us for a free, no obligation quote and ...

Flat roof extension cost in Dulverton

Estimates for build a flat roof extension near Dulverton

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 Dulverton by posting a job with HaMuch. We'll send it to extension builders in Dulverton.


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 Tiverton£25£202
Build A Flat Roof Extension near Taunton£31£242
Build A Flat Roof Extension near Exeter£27£221
Build A Flat Roof Extension near Barnstaple£25£196
Build A Flat Roof Extension near East Devon£27£221
Build A Flat Roof Extension near Bridgwater£30£236
Build A Flat Roof Extension near Vale of Glamorgan£29£217
Build A Flat Roof Extension near Barry£33£218
Build A Flat Roof Extension near Bideford£22£174
Build A Flat Roof Extension near Exmouth£24£210

Estimates for common extension builder jobs in Dulverton;

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 - £17,216

Two storey extension

Two storey extension - £87,574

Build a timber frame extension

Build a timber frame extension - £25,716

Build a swimming pool

Build a swimming pool - £80,716

Single storey extension

Single storey extension - £49,320

Side return extension

Side return extension - £38,305

Install an RSJ

Install an RSJ - £1,916

Outbuilding

Outbuilding - £9,716

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,716

Loft conversion

Loft conversion - £31,088

Build a kitchen extension

Build a kitchen extension - £41,716

Hip to gable loft conversion

Hip to gable loft conversion - £41,716

Granny annexe

Granny annexe - £86,716

Garden office

Garden office - £9,716

Convert a Garage

Convert a Garage - £15,716

Garage

Garage - £18,216

Build a flat roof extension

Build a flat roof extension - £21,716

Build a dormer loft conversion

Build a dormer loft conversion - £41,716

Concrete foundations

Concrete foundations - £5,966

Convert a bungalow loft

Convert a bungalow loft - £28,716

Convert a basement

Convert a basement - £34,305

More extensions & conversions cost guides...