Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.65 (20 reviews)

Find affordable Darnley extension builders now

Extension builders rates in Darnley range from £18/hour £172/day (Glencroft Builders Ltd) to £39/hour £291/day (Glasgow Joiners). To see prices and availability now for your job click green button.

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"Garage" - PAISLEY, job posted 20/04/26

"Loft conversion" - GLASGOW, job posted 22/03/26

"Side two storey extension" - NEWTON MEARNS, job posted 28/11/25

"Two storey side extension, front porch extension, internal renovations." - GLASGOW, job posted 27/11/25

"Hip to gable loft conversion" - PAISLEY, job posted 11/11/25

"Loft conversion" - GLASGOW, job posted 08/07/25

"Dormer loft conversion" - GLASGOW, job posted 28/05/25

"Need an extension builder" - G53, job posted 19/05/25

"Need an extension builder" - GLASGOW, job posted 15/05/25

"Loft conversion" - GLASGOW, job posted 14/05/25

"Dormer room conversion. Frame and structure building as well as stair case installation." - G53, job posted 16/04/25

"Single storey extension" - DARNLEY, job posted 07/01/25

"Loft conversion" - GLASGOW, job posted 05/08/24

"Loft conversion" - GLASGOW, job posted 20/04/24

"Loft conversion" - GLASGOW, job posted 28/01/24

"Loft conversion" - GLASGOW, job posted 23/01/24

"Great and reliable service, honest advice and competitive on price" - GLASGOW,reviewed 03/08/17, DAVID SMITH

"Loft conversion" - GLASGOW, job posted 16/01/24

"Loft conversion" - GLASGOW, job posted 13/01/24

"Attic conversion. Flooring, windows, insulation. 1950s terraced house in shawlands glasgow" - G41, job posted 19/12/23

Compare Darnley extension builders rates

Compare Darnley extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Giffnock	£35	£260
Extension Builders near Paisley	£34	£259
Extension Builders near Barrhead	£35	£255
Extension Builders near Newton Mearns	£35	£263
Extension Builders near Renfrew	£35	£264
Extension Builders near Glasgow	£35	£259
Extension Builders near Rutherglen	£34	£255
Extension Builders near Johnstone	£35	£276
Extension Builders near Erskine	£34	£258
Extension Builders near Clydebank	£35	£265

Job estimates from extension builders near you

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.

Build a timber frame extension - £26,048

Garden office - £10,048

Granny annexe - £87,048

Build a flat roof extension - £22,048

Convert a Garage - £16,048

Hip to gable loft conversion - £42,048

Convert a bungalow loft - £29,048

Build a dormer loft conversion - £42,048

Build a swimming pool - £81,048

Build a Mansard loft conversion - £52,048

Concrete foundations - £6,298

Underpin a building - £17,548

Two storey extension - £88,072

Convert a basement - £38,040

Side return extension - £42,040

Loft conversion - £34,200

Garage - £18,548

Single storey extension - £55,960

Outbuilding - £10,048

Install an RSJ - £2,248

Build a kitchen extension - £42,048

More extensions & conversions cost guides...

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