Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.69 (8 reviews)

Find affordable Strood extension builders

Extension builders rates in Strood range from £36/hour £233/day (G J Roofing Services) to £47/hour £311/day (Des Durant General Building). To see prices and availability now for your job click Get quotes.

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"Loft conversion estimate" - ME7, job posted 16/08/26

"Loft conversion" - GILLINGHAM, job posted 13/08/26

"Loft conversion" - ME7, job posted 13/05/26

"Garage conversion" - ME7, job posted 07/05/25

"Need an electrical certificate please for building control can hasiff from fix 21 contact me pleaae" - DA12, job posted 16/11/24

"Open plan Rear extension of 6m x 6m to include kitchen" - ME1, job posted 24/02/24

"Loft conversion" - ME5, job posted 13/11/23

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 Strood extension builders rates

Compare Strood extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Rochester	£39	£254
Extension Builders near Chatham	£39	£254
Extension Builders near Gillingham	£39	£253
Extension Builders near Gravesend	£40	£260
Extension Builders near Northfleet	£41	£261
Extension Builders near Larkfield	£41	£253
Extension Builders near Maidstone	£40	£255
Extension Builders near Grays	£41	£261
Extension Builders near Thurrock	£41	£260
Extension Builders near Stanford-le-Hope	£40	£254

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 - £26,104

Garden office - £10,104

Granny annexe - £87,104

Build a flat roof extension - £22,104

Convert a Garage - £16,104

Hip to gable loft conversion - £42,104

Convert a bungalow loft - £29,104

Build a dormer loft conversion - £42,104

Build a swimming pool - £81,104

Build a Mansard loft conversion - £52,104

Concrete foundations - £6,354

Underpin a building - £17,604

Two storey extension - £88,156

Convert a basement - £38,670

Side return extension - £42,670

Loft conversion - £34,725

Garage - £18,604

Single storey extension - £57,080

Outbuilding - £10,104

Install an RSJ - £2,304

Build a kitchen extension - £42,104

More extensions & conversions cost guides...

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