Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.73 (20 reviews)

Find affordable Glamorgan extension builders

Prices range from cheapest £16/hour and £130/day (PK CONSTRUCTION) to £57/hour and £254/day (AK Enterprise (GB) Limited) - average £33/hr

HaMuch is Excellent

Local Glamorgan extension builders

"Hello A kitchen extension is required. Full planning has been received and structural drawings/recommendations received. Would you be interested in providing a quote? Thank you Jackie" - JACQUELINE, CF14

"Loft conversion" - CF23

"Loft conversion" - BECKY, CARDIFF

"Side return extension" - CF24

"Porch with toilet and shower to be built onto front of house" - CF14

"Build a garden office, Build a dormer loft conversion" - KAUSER, CF23

"RSJ installation to open up kitchen and utility room. About 2m wide." - ASHLEIGH, CARDIFF

"RSJ installation" - CARDIFF

"Single storey extension" - CF24

"Side return extension" - CRAIG, CF24

"Looking for a single storey side return to extend kitchen / living space." - SARAH, CF23

"Looking for a single storey side return to extend kitchen / living space." - CF23

"Double height side extension with single story rear to my existing semi-detached in Cardiff. Planning permission received." - GUY, CF14

"Double height side extension and single story rear" - CF14

"Loft conversion with en suite" - SAROOP, CARDIFF

"Kitchen extension" - CARDIFF

"Side return extension" - CF24

"Loft conversion" - CARDIFF

"Loft conversion" - CF24

"We are looking at obtaining a quote for a loft conversion" - JULES.SKINNER, CARDIFF

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 Glamorgan extension builders rates

Compare Glamorgan extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Cardiff	£30	£190
Extension Builders near Penarth	£31	£189
Extension Builders near Barry	£29	£189
Extension Builders near Caerphilly	£29	£181
Extension Builders near Church Village	£30	£188
Extension Builders near Risca	£27	£185
Extension Builders near Newport	£37	£200
Extension Builders near Pontypridd	£29	£184
Extension Builders near Weston-super-Mare	£29	£216
Extension Builders near Cwmbran	£39	£190

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 - £25,712

Garden office - £9,712

Granny annexe - £86,712

Build a flat roof extension - £21,712

Convert a Garage - £15,712

Hip to gable loft conversion - £41,712

Convert a bungalow loft - £28,712

Build a dormer loft conversion - £41,712

Build a swimming pool - £80,712

Build a Mansard loft conversion - £51,712

Concrete foundations - £5,962

Underpin a building - £17,212

Two storey extension - £87,568

Convert a basement - £34,260

Side return extension - £38,260

Loft conversion - £31,050

Garage - £18,212

Single storey extension - £49,240

Outbuilding - £9,712

Install an RSJ - £1,912

Build a kitchen extension - £41,712

More extensions & conversions cost guides...

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