Affordable Sidlesham Extension Builders from £27/hr

Find affordable Sidlesham extension builders

Cheapest £27/hour & £214/day (Optimum Building Solutions Ltd) to £40/hour & £300/day (Regent Property Holdings Ltd) - average £34/hour & £246/day

Local Sidlesham extension builders with reviews/jobs - Sort by rates or availability

"Repointing a pillar I chose Matt to repoint a pillar, he done an excellent job, very pleased with the result, cleaned up afterwards and was flexible to do the work on a day that worked best for me." - reviewed 17/03/25, GAVIN BIDWELL

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 Sidlesham extension builders rates

Compare Sidlesham extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Chichester	£34	£242
Extension Builders near Bognor Regis	£35	£247
Extension Builders near Arun	£35	£241
Extension Builders near Havant & Waterloo	£35	£248
Extension Builders near Havant	£35	£249
Extension Builders near Littlehampton	£35	£244
Extension Builders near Rustington	£36	£246
Extension Builders near Waterlooville	£36	£250
Extension Builders near Horndean	£35	£253
Extension Builders near Portsmouth	£36	£250

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 - £25,976

Garden office - £9,976

Granny annexe - £86,976

Build a flat roof extension - £21,976

Convert a Garage - £15,976

Hip to gable loft conversion - £41,976

Convert a bungalow loft - £28,976

Build a dormer loft conversion - £41,976

Build a swimming pool - £80,976

Build a Mansard loft conversion - £51,976

Concrete foundations - £6,226

Underpin a building - £17,476

Two storey extension - £87,964

Convert a basement - £37,230

Side return extension - £41,230

Loft conversion - £33,525

Garage - £18,476

Single storey extension - £54,520

Outbuilding - £9,976

Install an RSJ - £2,176

Build a kitchen extension - £41,976

More extensions & conversions cost guides...

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