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Extension builders in Leeds

The 10 extension builders from Google's results for Leeds, ranked on Google rating, online presence and other factors. Updated 10 September 2026.

Single storey, per m²
£1,700 – £2,300shell to finished
Typical single storey
£37,000 – £51,000around 20 m²
Double storey
£51,000 – £83,500around 30 m² over two floors
Leeds vs UK
-7%below the UK median

Number 1: House Extensions Leeds

5.0(20)out of 5, from 20 reviewson GoogleNunthorpe, Middlesbrough

Hepburn Architects creates architectural designs for residential extensions, rural buildings, and new builds across North Yorkshire. Services cover initial project briefing, site-led planning strategies, and coordinated technical details for Building Control. The firm works directly on adapting existing homes and developing regional properties.

07720 813035 1 Church Ln, Nunthorpe, Middlesbrough TS7 0PD

Number 2: Hip co

4.9(168)out of 5, from 168 reviewson GoogleGarforth, Leeds

Garforth-based builder Hipco constructs residential home extensions and fits doors and windows for clients across Leeds and Yorkshire. The firm plans and constructs single and multi-storey builds to expand existing domestic living spaces.

0113 519 1273 73 Main St, Garforth, Leeds LS25 1AF

Number 3: Upclose Construction

4.9(62)out of 5, from 62 reviewson GoogleLeeds

Up Close Construction builds small rear extensions across Leeds, Bradford and the rest of West Yorkshire, including single storey additions, side returns and layouts suited to terraced houses. The firm also carries out kitchen renovations, and plans its extensions to add living space and bring in more light.

07778 797285

Number 4: Paulbrady Builders

5.0(4)out of 5, from 4 reviewson GoogleCross Gates, Leeds

Paulbrady Builders carries out home extensions, loft conversions and roofing work in Leeds. Services cover interior trades including kitchen fitting, plastering, painting, electrical work and plumbing.

07837 398319 46 Crossgates Ave, Cross Gates, Leeds LS15 7QQ

Number 5: Single Storey House Extensions in Leeds & West Yorkshire

4.8(14)out of 5, from 14 reviewson GoogleThorpe Park Gardens, Leeds

CK Architectural Leeds provides planning, design, and building services for loft conversions, extensions, and kitchen fit-outs across Leeds and West Yorkshire. The firm guides householders through pre-construction planning and architectural design.

0113 372 0055 Suite 69 Pure Office, 4100 Park Approach, Thorpe Park Gardens, Leeds LS15 8GB

Number 6: Select Extensions

5.0(1)out of 5, from 1 reviewson GoogleCalverley, Leeds

Select Extensions constructs modern house extensions for residential properties across York and West Yorkshire. The company supplies and builds single-storey living areas, managing construction work to expand existing ground-floor home layouts.

0113 418 0535 57 Rodley Ln, Calverley, Leeds LS13 1NG

Number 7: Akb Loft Conversions

4.6(97)out of 5, from 97 reviewson GoogleBramley, Leeds

AKB Loft Conversions carries out dormer, attic and roof lift conversions for houses in Bramley and elsewhere in Leeds. It also builds house extensions, giving homeowners another way to add living space alongside its work in the roof.

0113 436 0357 5 Calverley Ln, Bramley, Leeds LS13 3LP

Number 8: Leeds and Wakefield Builders

3.7(3)out of 5, from 3 reviewson GoogleMorley, Leeds

Leeds & Wakefield Building Services constructs house extensions, conservatories, new builds, and property refurbishments across Morley, Leeds, and Wakefield. The team provides structural building alongside interior plastering and renovation work for residential clients.

0113 238 0705 9 Settle Vale, Morley, Leeds LS27 8YW

Number 9: Co Ral Windows

4.1(162)out of 5, from 162 reviewson GoogleHalifax Rd, Bradford

Coral Windows supplies and installs house extensions across Doncaster, Bradford, and surrounding Yorkshire regions. The company fits structural walling, glazing, and doors to build fully enclosed living areas on existing domestic properties.

01274 698000 Coral Mills, Halifax Rd, Bradford BD6 2DN

Number 10: House Extensions Leeds

No Google reviews yetLeeds

YPDS provides architectural design, planning drawings, and building regulations applications for home extensions across Leeds and Bradford. The firm designs single-storey, two-storey, side, and rear extension schemes for homeowners in areas such as Horsforth, Roundhay, and Cookridge.

What extension builders charge in Leeds

In Leeds, single storey, per m² typically costs £1,700 – £2,300. Labour in West Yorkshire runs 7% below the UK median, which accounts for most of the difference from the same job elsewhere.

How to choose between them

  • Check the registration yourself. Trade body memberships are public, and each body's own register confirms them in a minute.
  • Get three quotes on the same specification. Written down, split into labour, materials and anything structural. Most people compare a total against a total and end up choosing between two different jobs.
  • Ask what is not included. Making good, waste removal, scaffolding and VAT are the four that turn a cheap quote into an average one.
  • Never pay a large deposit up front. Materials in advance is normal. Half the total before anyone turns up is not.

How this list is ordered

These are the firms from Google's results for "house extensions leeds". They are ranked on Google rating, online presence and other factors.

Work out the budget first

The figures above are Leeds ranges. These explain what drives them, so you can read a quote properly.

Extension builders in Leeds: common questions

How far can I extend without planning permission?

Under permitted development, three metres for a terrace or semi and four for a detached, doubled to six and eight under the prior approval process. Height, materials and how much garden you cover all carry separate limits, and none of it applies in a conservation area.

Do I need a party wall agreement?

If you are excavating within three metres of a neighbour's foundations or building on the boundary, yes. You must serve notice two months before work starts. Skipping it is the most common reason extension projects stall.