Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.64 (7 reviews)

Find affordable Crewe extension builders

Prices range from cheapest £15/hour and £152/day (AJM Building) to £40/hour and £339/day (DJ construction and conversions) - average £29/hr and £234/day

HaMuch is Excellent

Local Crewe extension builders & latest jobs

"Garage conversion" - CREWE, job posted 12/06/26

"Single storey extension" - CW1, job posted 16/01/26

"Loft conversion - Flat dormer roof on a new build house" - CREWE & NANTWICH, job posted 03/09/25

"RSJ corrosion repair quote" - CREWE, job posted 08/07/25

"Build an outbuilding" - CREWE, job posted 26/02/25

"Side return extension" - CW11, job posted 20/08/24

"Loft conversion" - CREWE, job posted 22/09/23

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 Crewe extension builders rates

Compare Crewe extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Crewe	£29	£224
Extension Builders near Crewe & Nantwich	£28	£220
Extension Builders near Winsford	£31	£232
Extension Builders near Congleton	£28	£227
Extension Builders near Newcastle-under-Lyme	£30	£228
Extension Builders near Stoke-on-Trent	£29	£226
Extension Builders near Macclesfield	£32	£239
Extension Builders near Leek	£33	£254
Extension Builders near Wilmslow	£31	£230
Extension Builders near Runcorn	£33	£228

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 - £25,872

Garden office - £9,872

Granny annexe - £86,872

Build a flat roof extension - £21,872

Convert a Garage - £15,872

Hip to gable loft conversion - £41,872

Convert a bungalow loft - £28,872

Build a dormer loft conversion - £41,872

Build a swimming pool - £80,872

Build a Mansard loft conversion - £51,872

Concrete foundations - £6,122

Underpin a building - £17,372

Two storey extension - £87,808

Convert a basement - £36,060

Side return extension - £40,060

Loft conversion - £32,550

Garage - £18,372

Single storey extension - £52,440

Outbuilding - £9,872

Install an RSJ - £2,072

Build a kitchen extension - £41,872

More extensions & conversions cost guides...

People in Crewe 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