Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.6 (20 reviews)

Find affordable Sunderland extension builders now

Extension builders rates in Sunderland range from £16/hour £130/day (OCC Construction) to £78/hour £624/day (Radici Construction North East 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 Sunderland extension builders

Compare quotes

Available extension builders in Sunderland reply

Save Money

Select your affordable Sunderland extension builder

Post your job

Sort by

"Domer building to house" - SR4, job posted 02/07/26

"Loft conversion" - SR4, job posted 02/07/26

"Two storey extension" - SR5, job posted 15/06/26

"Loft conversion" - NE10, job posted 15/12/25

"Build a two storey extension" - SR2, job posted 27/11/25

"Loft conversion" - SUNDERLAND, job posted 07/10/25

"Build a dormer loft conversion" - SR3, job posted 02/09/25

"Loft conversion" - SUNDERLAND, job posted 23/08/25

"Loft conversion" - SUNDERLAND, job posted 30/07/25

"Extend above garage on semi detached house" - SUNDERLAND, job posted 24/07/25

"RSJ installation" - SUNDERLAND, job posted 16/07/25

"Bungalow loft conversion" - SUNDERLAND, job posted 10/07/25

"Loft conversion" - DH2, job posted 21/05/25

"Loft conversion" - SUNDERLAND, job posted 10/05/25

"Two storey extension" - SUNDERLAND, job posted 30/03/25

"Single storey extension" - SUNDERLAND, job posted 12/03/25

"Loft conversion" - SUNDERLAND, job posted 12/01/25

"Loft conversion" - SUNDERLAND, job posted 06/08/24

"Loft conversion" - SUNDERLAND, job posted 22/06/24

"Loft conversion, single dormer with two rooms. Velux in other side of house." - SUNDERLAND, job posted 13/06/24

Compare Sunderland extension builders rates

Compare Sunderland extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Sunderland	£33	£251
Extension Builders near Washington	£33	£254
Extension Builders near Chester-le-Street	£35	£242
Extension Builders near South Tyneside	£34	£261
Extension Builders near Jarrow	£34	£262
Extension Builders near Hebburn	£34	£246
Extension Builders near Seaham	£35	£235
Extension Builders near Gateshead	£33	£236
Extension Builders near South Shields	£36	£257
Extension Builders near Wallsend	£34	£245

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 - £26,136

Garden office - £10,136

Granny annexe - £87,136

Build a flat roof extension - £22,136

Convert a Garage - £16,136

Hip to gable loft conversion - £42,136

Convert a bungalow loft - £29,136

Build a dormer loft conversion - £42,136

Build a swimming pool - £81,136

Build a Mansard loft conversion - £52,136

Concrete foundations - £6,386

Underpin a building - £17,636

Two storey extension - £88,204

Convert a basement - £39,030

Side return extension - £43,030

Loft conversion - £35,025

Garage - £18,636

Single storey extension - £57,720

Outbuilding - £10,136

Install an RSJ - £2,336

Build a kitchen extension - £42,136

More extensions & conversions cost guides...

People in Sunderland 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