Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.73 (20 reviews)

Find affordable Great Barr Hamstead extension builders

Prices range from cheapest £24/hour and £196/day (Dave Mattock) to £45/hour and £350/day (Sperin Interiors) - average £30/hr and £236/day

HaMuch is Excellent

Local Great Barr Hamstead extension builders & latest jobs

"Install an RSJ. For bow window replacement" - WS5, job posted 15/09/26

"Single storey extension" - WS4, job posted 30/08/26

"Internal refurbishment works at The Mercian Trust, Great Barr, Walsall. The project includes constructing new partition walls to create a new classroom and office, together with associated plastering, decorating, flooring, ceilings, doors, fixtures, and mechanical and electrical service alterations...." - WS1, job posted 28/07/26

"The Hudson Building was built for purpose in 2015. The proposal is to erect a 2-storey extension to one end of the existing building to provide more space for bricklaying, plastering etc, whilst also installing new painting and decorating booths to the first-floor area." - B74, job posted 09/07/26

"Loft conversion" - WS10, job posted 08/05/26

"RSJ installation" - BIRMINGHAM, job posted 13/04/26

"Door into garagefrom kitchen how much" - B74, job posted 20/02/26

"Garage conversion (separate from main house) into a bedroom" - B42, job posted 17/02/26

"Two storey extension" - WEST MIDLANDS, job posted 05/10/25

"New Wetroom for special needs with wheelchair access. Complete build with material,plumbing,wall panels,floor tiles.shower, toilet etc.this will be built joined with a living room. Quotes required.Thanks" - SANDWELL, job posted 26/08/25

"Single storey extension" - WALSALL, job posted 26/08/25

"Two storey extension" - WEST MIDLANDS, job posted 03/08/25

"We are looking for a builder to renew support beams in our cellar" - WALSALL, job posted 06/07/25

"Need an extension builder" - SANDWELL, job posted 13/06/25

"Two storey extension" - WEST MIDLANDS, job posted 08/06/25

"Side return extension" - BIRMINGHAM, job posted 24/02/25

"Build an outbuilding" - B44, job posted 15/02/25

"WET ROOM WITH WHEELCHAIR ACCESS" - SANDWELL, job posted 05/02/25

"2 metres front extension and 3 meters back extension" - WS1, job posted 07/01/25

"Loft conversion" - BIRMINGHAM, job posted 07/01/25

What are the best ways to avoid problems when paying the Extension Builder?

The most important thing is do avoid handing over cash or paying large sums in advance. Be wary of paying cash for a cheaper job, i.e. to avoid VAT, you may be going down a slippery slope of not doing things properly which may eventually mean your job is also not done properly.

Agree when you intend to pay, ideally after you are satisfied with the completed job. If it is a big job agree a schedule of staged payments which is fair to both parties.

To avoid bad tradespeople and to ensure you can find them should they not answer a mobile;

Get proper contact details and check them yourself
Check if the company is verified on the Companies House website
Get phone details, ideally a land line or 0800 number and check it
Get a physical office address

Before the job starts should I agree standards of quality and behaviour?

Get quotes in writing by email or in person if possible. Getting quotes online or by text is ok (make sure you accept the offer by replying). For large projects make a written agreement, schedule of works and snagging plans as part of a working document. Also;

Agree expected quality of workmanship and materials in advance
When will work start and when will project be finished, what happens if project over runs ?
How long is the guarantee on work and materials eg 12 months
Discuss onsite behaviour in advance (no smoking, swearing or using mobile phones for non-work purposes)
Agree that your Extension Builder will remove all debris and rubbish and what level of tidying up you want after job

Compare Great Barr Hamstead extension builders rates

Compare Great Barr Hamstead extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Walsall	£29	£226
Extension Builders near Sandwell	£29	£229
Extension Builders near West Bromwich	£29	£227
Extension Builders near Wednesbury	£29	£227
Extension Builders near Smethwick	£29	£226
Extension Builders near Sutton Coldfield	£29	£228
Extension Builders near Birmingham	£29	£227
Extension Builders near Darlaston	£29	£226
Extension Builders near Tipton	£29	£227
Extension Builders near Oldbury	£29	£227

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 - £25,848

Garden office - £9,848

Granny annexe - £86,848

Build a flat roof extension - £21,848

Convert a Garage - £15,848

Hip to gable loft conversion - £41,848

Convert a bungalow loft - £28,848

Build a dormer loft conversion - £41,848

Build a swimming pool - £80,848

Build a Mansard loft conversion - £51,848

Concrete foundations - £6,098

Underpin a building - £17,348

Two storey extension - £87,772

Convert a basement - £35,790

Side return extension - £39,790

Loft conversion - £32,325

Garage - £18,348

Single storey extension - £51,960

Outbuilding - £9,848

Install an RSJ - £2,048

Build a kitchen extension - £41,848

More extensions & conversions cost guides...

People in Great Barr Hamstead 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