Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.67 (3 reviews)

Find affordable N14 extension builders

Average N14 extension builder hourly rate is £37. Prices range from the cheapest £25/hour and £200/day (DRB International Ltd T/A Lofty Lofts) to £39/hour and £329/day (EVS ARCHITECTURE & CONSTRUCTION LTD).

Local extension builders near N14

"Underpinning - CHRISTINE, N20

"Underpinning - EN2

"Loft conversion - N20

Quickly find an Extension Builder in N14

Use these steps to find Extension Builders in N14 for FREE!

Post your job: Click "Get quotes" and briefly describe your job.
Enter your details: We’ll match you with Extension Builders in N14. We’ll notify you via text or email when an Extension Builder is available to quote.
Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local N14 Extension Builders or phone them directly - you’re in control!

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

Local Extension Builders in London Boroughs

Local Extension Builders in London Boroughs
Borough in London
Extension Builders in Southgate
Extension Builders in Winchmore Hill
Extension Builders in Friern Barnet
Extension Builders in Palmers Green
Extension Builders in Cockfosters
Extension Builders in Whetstone
Extension Builders in Botany Bay
Extension Builders in North Finchley
Extension Builders in Wood Green
Extension Builders in Muswell Hill

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 - £25,880

Garden office - £9,880

Granny annexe - £86,880

Flat roof extension - £21,880

Garage conversion - £15,880

Hip to gable loft conversion - £41,880

Bungalow loft conversion - £28,880

Dormer loft conversion - £41,880

Swimming pool - £80,880

Mansard loft conversion - £51,880

Concrete foundation - £6,130

Underpinning - £17,380

Two storey extension - £87,820

Basement conversion - £36,150

Side return extension - £40,150

Loft conversion - £32,625

Garage - £18,380

Single storey extension - £52,600

Outbuilding - £9,880

RSJ installation - £2,080

Kitchen extension - £41,880

More extensions & conversions cost guides...

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