Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.67 (6 reviews)

Find affordable Askam-in-furness extension builders

Cheapest £21/hour & £174/day (ADAM READ TRADITIONAL BUILDING) to £33/hour & £310/day (Tweeter) - average £25/hour & £212/day

Local Askam-in-furness extension builders with reviews/jobs - Sort by rates or availability

"Loft conversion" - LA15, job posted 09/01/26

"Extend bedroom out by 1 metre at front of bungalow" - LA15, job posted 03/08/25

"Garage conversion" - BARROW-IN-FURNESS, job posted 04/07/25

"2 bed terrace conversion to 2 x 1 bed flats" - LA13, job posted 26/06/25

"Kitchen extension" - BARROW-IN-FURNESS, job posted 18/04/25

"RSJ installation" - MILLOM, job posted 24/10/24

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 Askam-in-furness extension builders rates

Compare Askam-in-furness extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Barrow-in-Furness	£25	£204
Extension Builders near Morecambe	£25	£212
Extension Builders near Lancaster	£25	£211
Extension Builders near Fleetwood	£28	£206
Extension Builders near Kendal	£28	£236
Extension Builders near Thornton	£29	£211
Extension Builders near Blackpool	£29	£209
Extension Builders near Whitehaven	£22	£221
Extension Builders near Lytham St Annes	£28	£206
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 - £25,696

Garden office - £9,696

Granny annexe - £86,696

Build a flat roof extension - £21,696

Convert a Garage - £15,696

Hip to gable loft conversion - £41,696

Convert a bungalow loft - £28,696

Build a dormer loft conversion - £41,696

Build a swimming pool - £80,696

Build a Mansard loft conversion - £51,696

Concrete foundations - £5,946

Underpin a building - £17,196

Two storey extension - £87,544

Convert a basement - £34,080

Side return extension - £38,080

Loft conversion - £30,900

Garage - £18,196

Single storey extension - £48,920

Outbuilding - £9,696

Install an RSJ - £1,896

Build a kitchen extension - £41,696

More extensions & conversions cost guides...

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