Build a single storey extension in Eglwyswrw from £40,920

Single storey extension cost in Eglwyswrw - Sort by rates or availability

Max Sandford & San

From £47,320

(last active 14/09/26)

Location

Carmarthen, SA31

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

Max Sandford & San provides a local, trusted extension b...

Shane Griffiths & Son Ltd

From £50,840

(last active 23/04/26)

Location

Llandysul, SA44

Shane Griffiths & Son Ltd is a trusted extension builder serving customers in Eglwyswrw and the surrounding area. Contact us to today to get a comp...

DERI BROWN T/A D Brown Building Services

From £40,920

(last active 27/10/25)

Location

Troedyraur, SA44

Hi my name is Deri

I'm a friendly and reliable and have over 20 yes experience in the building trade. And also come from a family backgr...

F & E Construction

From £49,720

Location

Meidrim, SA33

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

D&O Construction Ltd

From £41,400

Location

Nolton, SA62

Relax... you have found a reliable extension builder in Eglwyswrw. D&O Construction Ltd is a friendly and reliable company based in Eglwyswrw who c...

Norton Construction

From £43,640

Location

Ceredigion, SA43

Relax... you have found a reliable extension builder in Eglwyswrw. Norton Construction is a friendly and reliable company based in Eglwyswrw who co...

N Morgans & Son Ltd

From £53,720

Location

Carmarthen, SA33

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

N Morgans & Son Ltd provides a local, trusted extension ...

Extension builder estimates (based on hourly rates) to build a single storey extension in Eglwyswrw

Estimates for single storey extension near Eglwyswrw

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Location in UKHourly RateDaily Rate
Single Storey Extension near Carmarthenshire£26£205
Single Storey Extension near Carmarthen£26£205
Single Storey Extension near Milford Haven£18£159
Single Storey Extension near Pembrokeshire£19£163
Single Storey Extension near Llanelli£29£231
Single Storey Extension near Gorseinon£29£228

Estimates for common extension builder jobs in Eglwyswrw;

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 - £17,090

Two storey extension

Two storey extension - £87,385

Build a timber frame extension

Build a timber frame extension - £25,590

Build a swimming pool

Build a swimming pool - £80,590

Single storey extension

Single storey extension - £46,794

Side return extension

Side return extension - £36,884

Install an RSJ

Install an RSJ - £1,790

Outbuilding

Outbuilding - £9,590

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,590

Loft conversion

Loft conversion - £29,904

Build a kitchen extension

Build a kitchen extension - £41,590

Hip to gable loft conversion

Hip to gable loft conversion - £41,590

Granny annexe

Granny annexe - £86,590

Garden office

Garden office - £9,590

Convert a Garage

Convert a Garage - £15,590

Garage

Garage - £18,090

Build a flat roof extension

Build a flat roof extension - £21,590

Build a dormer loft conversion

Build a dormer loft conversion - £41,590

Concrete foundations

Concrete foundations - £5,840

Convert a bungalow loft

Convert a bungalow loft - £28,590

Convert a basement

Convert a basement - £32,884

More extensions & conversions cost guides...