Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.5 (2 reviews)

Find affordable Swale extension builders now

Extension builders rates in Swale range from £29/hour £226/day (Mr) to £42/hour £282/day (Pride Property Maintenance). To see prices and availability now for your job click green button.

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"Timber frame extension" - SITTINGBOURNE, job posted 23/07/25

"Side return extension" - SWALE, job posted 28/12/23

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 Swale extension builders rates

Compare Swale extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Swale	£35	£241
Extension Builders near Faversham	£34	£235
Extension Builders near Sittingbourne	£35	£246
Extension Builders near Whitstable	£28	£214
Extension Builders near Canterbury	£31	£232
Extension Builders near Gillingham	£39	£253
Extension Builders near Ashford	£36	£256
Extension Builders near Chatham	£39	£254
Extension Builders near Maidstone	£40	£255
Extension Builders near Herne Bay	£28	£213

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 - £25,968

Garden office - £9,968

Granny annexe - £86,968

Build a flat roof extension - £21,968

Convert a Garage - £15,968

Hip to gable loft conversion - £41,968

Convert a bungalow loft - £28,968

Build a dormer loft conversion - £41,968

Build a swimming pool - £80,968

Build a Mansard loft conversion - £51,968

Concrete foundations - £6,218

Underpin a building - £17,468

Two storey extension - £87,952

Convert a basement - £37,140

Side return extension - £41,140

Loft conversion - £33,450

Garage - £18,468

Single storey extension - £54,360

Outbuilding - £9,968

Install an RSJ - £2,168

Build a kitchen extension - £41,968

More extensions & conversions cost guides...

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