Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.69 (13 reviews)

Find affordable Knowsley extension builders now

Extension builders rates in Knowsley range from £24/hour £190/day (Mjharrison) to £36/hour £252/day (Dbd). 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

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

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

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

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

"Dormer loft conversion" - ST HELENS, job posted 02/10/25

"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

"St Helens Council has released a tender for the internal refurbishment of Thatto Heath Primary School, aimed at enhancing SEND provision. The project is scheduled to run from 21 July to 29 August 2025, with an estimated contract value of £228,000 including VAT. The opportunity is reserved..." - WA10, job posted 19/06/25

"Garage conversion" - L18, job posted 21/09/24

"Timber frame extension" - L35, job posted 12/05/24

"Single storey extension, 18m2. Bi-fold doors (approx. 5m across) and 2/3no. velux windows." - ST HELENS, job posted 27/09/23

Compare Knowsley extension builders rates

Compare Knowsley extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Knowsley	£31	£222
Extension Builders near Prescot	£31	£223
Extension Builders near Huyton with Roby	£31	£225
Extension Builders near Kirkby	£31	£224
Extension Builders near St Helens	£31	£224
Extension Builders near Widnes	£31	£220
Extension Builders near Halton	£31	£220
Extension Builders near Bootle	£33	£228
Extension Builders near Liverpool	£31	£222
Extension Builders near Maghull	£34	£231

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 - £25,816

Garden office - £9,816

Granny annexe - £86,816

Build a flat roof extension - £21,816

Convert a Garage - £15,816

Hip to gable loft conversion - £41,816

Convert a bungalow loft - £28,816

Build a dormer loft conversion - £41,816

Build a swimming pool - £80,816

Build a Mansard loft conversion - £51,816

Concrete foundations - £6,066

Underpin a building - £17,316

Two storey extension - £87,724

Convert a basement - £35,430

Side return extension - £39,430

Loft conversion - £32,025

Garage - £18,316

Single storey extension - £51,320

Outbuilding - £9,816

Install an RSJ - £2,016

Build a kitchen extension - £41,816

More extensions & conversions cost guides...

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