The 10 extension builders from Google's results for Doncaster, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleArmthorpe, Doncaster
Domestic extensions, property conversions and full home renovations are undertaken by 3 Elements Construction across Doncaster. In addition to residential projects, the company handles commercial remedial building works, air conditioning, underfloor heating and general heating installations.
01302 788089 Unit 5 Durham Ln, Armthorpe, Doncaster DN3 3FE
on GoogleCarr Hl, Doncaster
Top Solve Build completes house extensions, loft conversions and garage alterations across Doncaster, Rotherham and Sheffield. The firm also builds new homes and manages full property renovation projects from start to finish.
01302 969876 Woodfield Business Centre, Carr Hl, Doncaster DN4 8DE
on GoogleDoncaster
Working across Doncaster and Sheffield, Create Builders constructs home extensions and new residential properties. The company also handles commercial building projects and provides full project management services throughout South Yorkshire.
01302 378530 2 Rockingham Rd, Doncaster DN2 4BN
on GoogleScawthorpe, Doncaster
Ajf Builders carries out residential building projects across Doncaster, Barnsley and Rotherham. Their services include constructing house extensions, building new properties, laying foundations and undertaking complete home remodelling.
07710 578703 Green Ln, Scawthorpe, Doncaster DN5 7UT
on GoogleSheffield
Precision Builders constructs new properties and carries out refurbishments across Yorkshire and Derbyshire. The Sheffield company handles residential projects including house extensions and full property build services.
0114 243 6911 Naseby St, Sheffield S9 1BR
on GoogleDoncaster
Based in Doncaster, this firm offers house extension building and loft conversion services across the local area.
on GoogleDoncaster
Qcs Limited builds single and double-storey extensions, garage conversions, conservatories and porches for properties in Doncaster. The business provides full construction services, including plumbing, plastering, joinery and electrical installations.
01302 769408 12 Milethorn Ln, Doncaster DN1 2SU
on 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
Doncaster
Stephen Coe Builders is a Doncaster building firm that puts up single-storey and two-storey house extensions across Yorkshire. Typical projects include larger kitchens, an extra bedroom or a home office, with each build worked to the homeowner's own specification.
Doncaster
Rce Contractors delivers complete house builds and home extensions throughout Doncaster. The team handles all aspects of building projects, providing trade services including bricklaying, electrical work, plumbing and plastering.
In Doncaster, single storey, per m² typically costs £1,600 – £2,300. Labour in South Yorkshire runs 10% below the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "house extensions doncaster". They are ranked on Google rating, online presence and other factors.
The figures above are Doncaster ranges. These explain what drives them, so you can read a quote properly.
Per-square-metre prices for single-storey, two-storey, side return and kitchen extensions, costs by size, the fees outside the build price, and planning limits by nation.
The permitted development limits for extensions, lofts, porches and outbuildings in England, where the rights do not apply, what prior approval and a certificate cost, and how Wales, Scotland and NI differ.
When the Party Wall Act applies, which notice to serve and how far ahead, what your neighbour can do, what a surveyor's award costs, and the rules in Scotland and NI.
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.
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.