Affordable L12 Extension Builders from £17/hr

Find affordable L12 extension builders now

Extension builders rates in L12 range from £17/hour £138/day (Liverpool Direct Builders) to £40/hour £297/day (Aurora Building company ltd). To see prices and availability now for your job click green button.

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"Install an RSJ" - L36, job posted 27/09/26

"Two storey extension" - L10, job posted 13/09/26

"Single storey extension" - L4, job posted 14/08/26

"Loft conversion" - L31, job posted 04/07/26

"Kitchen extension" - LIVERPOOL, job posted 02/07/26

"RSJ installation" - LIVERPOOL, job posted 21/06/26

"Loft conversion" - L36, job posted 24/04/26

"Dormer loft conversion" - L18, job posted 25/02/26

"Loft conversion" - LIVERPOOL, job posted 28/01/26

"L shape extention with doom loft" - L4, job posted 27/01/26

"Space for a bedroom" - L36, job posted 11/01/26

"Two storey extension" - LIVERPOOL, job posted 12/10/25

"Loft conversion" - LIVERPOOL, job posted 04/10/25

"Loft conversion" - LIVERPOOL, job posted 24/09/25

"Kitchen extension" - L15, job posted 24/08/25

"I would like to do an extension for between 2 to 3 meters" - L11, job posted 04/08/25

"Garage conversion and sitting room wall needed to be taken off please." - L33, job posted 26/07/25

"Swimming pool" - LIVERPOOL, job posted 19/07/25

"Two storey extension" - LIVERPOOL, job posted 10/07/25

"Need an extension builder" - LIVERPOOL, job posted 22/06/25

Compare L12 extension builders rates

Compare L12 extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Knowsley	£31	£222
Extension Builders near Kirkby	£31	£224
Extension Builders near Huyton with Roby	£31	£225
Extension Builders near Prescot	£31	£223
Extension Builders near Bootle	£33	£228
Extension Builders near Liverpool	£31	£222
Extension Builders near Maghull	£34	£231
Extension Builders near Wallasey	£32	£224
Extension Builders near Birkenhead	£31	£219
Extension Builders near Crosby	£35	£234

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 - £25,808

Garden office - £9,808

Granny annexe - £86,808

Build a flat roof extension - £21,808

Convert a Garage - £15,808

Hip to gable loft conversion - £41,808

Convert a bungalow loft - £28,808

Build a dormer loft conversion - £41,808

Build a swimming pool - £80,808

Build a Mansard loft conversion - £51,808

Concrete foundations - £6,058

Underpin a building - £17,308

Two storey extension - £87,712

Convert a basement - £35,340

Side return extension - £39,340

Loft conversion - £31,950

Garage - £18,308

Single storey extension - £51,160

Outbuilding - £9,808

Install an RSJ - £2,008

Build a kitchen extension - £41,808

More extensions & conversions cost guides...

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