The 10 extension builders from Google's results for Manchester, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleGatley, Cheadle
Pride Road Architects develops extension designs for terraced houses and residential properties across Manchester, including Chorlton. The practice helps homeowners reimagine floor levels and improve connections between rear kitchens, living spaces, and outdoor garden areas.
07989 744336 26 Springfield Rd, Gatley, Cheadle SK8 4PE
on GoogleManchester
The Extension Guys constructs home extensions across Manchester and the North West. The team manages project delivery from initial concept design through to construction, handling planning applications and building regulations submissions on behalf of clients.
on GoogleManchester
KJL Builders manages home extension projects across Manchester and the North West. Its services encompass kitchen extensions, rear additions, single-storey, and double-storey builds. The team oversees every phase, covering planning, design, construction, and final completion.
180 Deansgate, Manchester M3 3WR
on GoogleManchester
BritBrick Construction builds residential extensions across Manchester, Salford, and the wider North West. The firm offers project advice and cost estimations based on extension size, structural materials, and construction schedules.
on GoogleMiddleton, Manchester
Operating across Greater Manchester and the North West, Your Choice designs and builds single-storey, rear, wrap-around, and kitchen extensions. The company assists clients with floor plans and architectural designs for a variety of roof styles and house extensions.
0800 169 4822 590 Manchester Old Rd, Middleton, Manchester M24 4PW
on GoogleRadcliffe, Manchester
No 1 Extensions provides house extensions, loft conversions, and garage conversions in Radcliffe, Manchester.
0161 696 8404 11 Stand Ln, Radcliffe, Manchester M26 1NW
on GoogleFailsworth, Manchester
CK Architectural Manchester designs front, side, and rear house extensions for properties across the local area. Architectural designers handle planning submissions, building regulation compliance, and overall project management for single-storey additions and room expansions.
0161 711 0095 313, Ivy Business Centre, Crown St, Failsworth, Manchester M35 9BG
on GoogleManchester
Renovat Construction designs and constructs single-storey, double-storey, side return, and kitchen extensions in Greater Manchester. The business handles planning applications, building regulations compliance, and complete structural construction for terraced, semi-detached, and detached period houses.
on GoogleWest Didsbury, Manchester
Operating in West Didsbury, Andrew Wallace Architects works on private residential extensions, interior upgrades, home renovations, and property conversions across the Manchester area. The practice creates functional layouts for residential properties looking to expand or reconfigure their internal spaces.
0161 448 0483 The Old Bakery, Vicker Grove, West Didsbury, Manchester M20 1LJ
Manchester
First Choice Extensions manages design, planning, and construction for residential property extensions, loft conversions, and home refurbishments. Serving Manchester, Cheshire, Lancashire, and the wider North West region, the project management team handles builds from initial concept to completion.
In Manchester, single storey, per m² typically costs £1,700 – £2,400. Labour in Greater Manchester runs 5% 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 manchester". They are ranked on Google rating, online presence and other factors.
The figures above are Manchester 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.