Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.75 (2 reviews)

Find affordable Thorne extension builders

Average Thorne extension builder hourly rate is £23. Prices range from the cheapest £20/hour and £150/day (B Dale Building Construction Ltd) to £26/hour and £205/day (Lace Construction Ltd).

Select local extension builders

"Swimming pool with swim jet with Jacuzzi circa 6x3 depth 1.2-1.6, steam and sauna room, changing room, toilet, bar area. building circa 6m W x 16m L x 4m H with frontage Bi fold windows. Please contact for more information" - SEAN, DN7

"Swimming pool" - DN7

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 Thorne extension builders rates

Compare Thorne extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Goole	£24	£196
Extension Builders near Doncaster	£26	£208
Extension Builders near Selby	£25	£198
Extension Builders near Scunthorpe	£23	£186
Extension Builders near Pontefract	£26	£202
Extension Builders near North Lincolnshire	£25	£195
Extension Builders near Gainsborough	£24	£194
Extension Builders near Castleford	£27	£202
Extension Builders near Wickersley	£29	£224
Extension Builders near Bassetlaw	£28	£214

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.

Timber frame extension - £25,504

Garden office - £9,504

Granny annexe - £86,504

Flat roof extension - £21,504

Garage conversion - £15,504

Hip to gable loft conversion - £41,504

Bungalow loft conversion - £28,504

Dormer loft conversion - £41,504

Swimming pool - £80,504

Mansard loft conversion - £51,504

Concrete foundation - £5,754

Underpinning - £17,004

Two storey extension - £87,256

Basement conversion - £31,920

Side return extension - £35,920

Loft conversion - £29,100

Garage - £18,004

Single storey extension - £45,080

Outbuilding - £9,504

RSJ installation - £1,704

Kitchen extension - £41,504

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