Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.5 (1 reviews)

Find affordable Portland extension builders

Average Portland extension builder hourly rate is £28. Prices range from the cheapest £20/hour and £160/day (WEYMOUTH ROOFING CO.) to £31/hour and £251/day (AKHURST PLUMBING AND HEATING LIMITED ).

Local extension builders near Portland

"Sash window repair old period property - DT4

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 Portland extension builders rates

Compare Portland extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Weymouth	£28	£221
Extension Builders near Dorchester	£26	£201
Extension Builders near Poole	£33	£215
Extension Builders near Bournemouth	£33	£221
Extension Builders near Yeovil	£28	£242

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 - £25,824

Garden office - £9,824

Granny annexe - £86,824

Flat roof extension - £21,824

Garage conversion - £15,824

Hip to gable loft conversion - £41,824

Bungalow loft conversion - £28,824

Dormer loft conversion - £41,824

Swimming pool - £80,824

Mansard loft conversion - £51,824

Concrete foundation - £6,074

Underpinning - £17,324

Two storey extension - £87,736

Basement conversion - £35,520

Side return extension - £39,520

Loft conversion - £32,100

Garage - £18,324

Single storey extension - £51,480

Outbuilding - £9,824

RSJ installation - £2,024

Kitchen extension - £41,824

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