Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.6 (15 reviews)

Find affordable Lancashire extension builders now

Extension builders rates in Lancashire range from £26/hour £154/day (COMPLETE BUILDING SERVICES) to £106/hour £848/day (Ridgesmart Roofing Ltd). To see prices and availability now for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

We send your job to ALL Lancashire extension builders

Compare quotes

Available extension builders in Lancashire reply

Save Money

Select your affordable Lancashire extension builder

Post your job

Sort by

"Loft conversion" - BB1, job posted 26/05/26

"Garage conversion" - BB6, job posted 06/09/25

"Loft conversion" - BLACKBURN, job posted 24/07/25

"Loft conversion need a quote" - BLACKBURN, job posted 17/05/25

"Underpinning" - ACCRINGTON, job posted 06/04/25

"Two storey extension" - BLACKBURN, job posted 01/04/25

"Loft conversion" - BLACKBURN, job posted 25/03/25

"Loft conversion for a storage" - BB1, job posted 15/03/25

"Side return extension" - BLACKBURN, job posted 26/12/24

"Side return extension approx 7 square metres" - BLACKBURN, job posted 16/07/24

"Side return extension" - BLACKBURN, job posted 21/04/24

"Single storey extension 3metres by 6" - BB2, job posted 10/02/24

"Side return extension" - BLACKBURN, job posted 01/01/24

"Side return extension double patio doors with steal beam to remove wall" - BB2, job posted 19/12/23

"Loft conversion" - BLACKBURN, job posted 10/12/23

Compare Lancashire extension builders rates

Compare Lancashire extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Blackburn	£33	£247
Extension Builders near Accrington	£33	£244
Extension Builders near Darwen	£34	£255
Extension Builders near Rawtenstall	£29	£213
Extension Builders near Bamber Bridge	£30	£216
Extension Builders near Chorley	£30	£221
Extension Builders near Burnley	£29	£219
Extension Builders near Preston	£30	£218
Extension Builders near Leyland	£30	£223
Extension Builders near Fulwood	£31	£217

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 - £26,000

Garden office - £10,000

Granny annexe - £87,000

Build a flat roof extension - £22,000

Convert a Garage - £16,000

Hip to gable loft conversion - £42,000

Convert a bungalow loft - £29,000

Build a dormer loft conversion - £42,000

Build a swimming pool - £81,000

Build a Mansard loft conversion - £52,000

Concrete foundations - £6,250

Underpin a building - £17,500

Two storey extension - £88,000

Convert a basement - £37,500

Side return extension - £41,500

Loft conversion - £33,750

Garage - £18,500

Single storey extension - £55,000

Outbuilding - £10,000

Install an RSJ - £2,200

Build a kitchen extension - £42,000

More extensions & conversions cost guides...

People in Lancashire searching for a Extension Builder also viewed...

Painter and Decorator

The Largest Database of UK Trade Rates

At HaMuch we know what tradespeople charge because we have the largest database of rates anywhere in the UK. If you want quotes for jobs at the right price for you, post your jobs with HaMuch and get your home improvements kickstarted straight away!

Appliance Repair Specialist

Conservatory Specialist