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

Find affordable Ongar extension builders - average £36/hr

Prices range from cheapest £25/hour and £220/day (ACM Loft Designs ltd) to £40/hour and £400/day (Gemini Properties T/A Simon Donovan).

Local Ongar extension builders

"Single storey extension" - CM5

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 Ongar extension builders rates

Compare Ongar extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Harlow	£37	£247
Extension Builders near Brentwood	£34	£225
Extension Builders near Loughton	£38	£238
Extension Builders near Chelmsford	£33	£224
Extension Builders near Bishop's Stortford	£36	£229
Extension Builders near Epping Forest	£38	£237
Extension Builders near Romford	£39	£237
Extension Builders near Billericay	£34	£219
Extension Builders near Hoddesdon	£40	£252
Extension Builders near Redbridge	£36	£232

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 - £25,928

Garden office - £9,928

Granny annexe - £86,928

Build a flat roof extension - £21,928

Convert a Garage - £15,928

Hip to gable loft conversion - £41,928

Convert a bungalow loft - £28,928

Build a dormer loft conversion - £41,928

Build a swimming pool - £80,928

Build a Mansard loft conversion - £51,928

Concrete foundations - £6,178

Underpin a building - £17,428

Two storey extension - £87,892

Convert a basement - £36,690

Side return extension - £40,690

Loft conversion - £33,075

Garage - £18,428

Single storey extension - £53,560

Outbuilding - £9,928

Install an RSJ - £2,128

Build a kitchen extension - £41,928

More extensions & conversions cost guides...

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