Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.68 (20 reviews)

Find affordable Chalton extension builders now

Extension builders rates in Chalton range from £35/hour £241/day (Mat al construction ltd ) to £77/hour £619/day ( A & D Maintenance Services Ltd). To see prices and availability now for your job click green button.

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"Hip to gable loft conversion" - LU3, job posted 29/07/26

"Loft conversion" - LUTON, job posted 15/07/26

"Room extension. Build a room attached to main house. Extend into my garden. 5 by 5.5 metre" - LU4, job posted 05/07/26

"Loft conversion" - LU2, job posted 23/06/26

"Single storey extension" - LU4, job posted 06/06/26

"Flat roof extension" - LU4, job posted 29/05/26

"Loft conversion" - LU4, job posted 27/04/26

"Single storey extension" - LU4, job posted 01/01/26

"Single storey extension" - LU3, job posted 12/12/25

"Loft conversion" - LUTON, job posted 01/10/25

"Loft conversion" - LUTON, job posted 24/08/25

"Hi, hope you’re well. My family & I live in a 2 bed new build and are looking to hopefully have a loft conversion to gain an extra room & space for our family of 4. It would be great if we could speak to someone regarding this. Thank you!" - LU5, job posted 20/07/25

"Hi, hope you’re well. My family" - LU5, job posted 20/07/25

"Single storey extension" - LUTON, job posted 08/07/25

"Loft conversion" - LUTON, job posted 04/05/25

"Loft conversion" - LUTON, job posted 15/04/25

"Dormer loft conversion" - LUTON, job posted 08/04/25

"Chimney breast removal" - LU6, job posted 02/04/25

"Loft conversion - two bedrooms and shower" - LUTON, job posted 04/02/25

"Loft conversion" - LUTON, job posted 27/01/25

Compare Chalton extension builders rates

Compare Chalton extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Luton	£42	£279
Extension Builders near Dunstable	£41	£274
Extension Builders near Mid Bedfordshire	£42	£276
Extension Builders near Harpenden	£45	£282
Extension Builders near Leighton Buzzard	£38	£270
Extension Builders near Ampthill	£38	£258
Extension Builders near Hitchin	£43	£283
Extension Builders near Hemel Hempstead	£43	£276
Extension Builders near Berkhamsted	£41	£273
Extension Builders near Dacorum	£42	£275

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 - £26,312

Garden office - £10,312

Granny annexe - £87,312

Build a flat roof extension - £22,312

Convert a Garage - £16,312

Hip to gable loft conversion - £42,312

Convert a bungalow loft - £29,312

Build a dormer loft conversion - £42,312

Build a swimming pool - £81,312

Build a Mansard loft conversion - £52,312

Concrete foundations - £6,562

Underpin a building - £17,812

Two storey extension - £88,468

Convert a basement - £41,010

Side return extension - £45,010

Loft conversion - £36,675

Garage - £18,812

Single storey extension - £61,240

Outbuilding - £10,312

Install an RSJ - £2,512

Build a kitchen extension - £42,312

More extensions & conversions cost guides...

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