The 9 extension builders from Google's results for Glasgow, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
Scotland issues building warrants rather than building regulations approval, and permitted development rights differ from England.
on GoogleGlasgow
MKS Construction builds single-storey, double-storey, and wraparound house extensions in Glasgow and across the Central Belt. The contractor carries out residential building work across all stages, taking projects from initial ideas to finished structures.
0141 459 1659 Easter Queenslie Rd, Glasgow G33 4ED
on GoogleStepps, Glasgow
Adair Building and Groundworks carries out residential construction, home extensions, property renovations and landscape gardening. Based in Stepps, the team provides groundworks and general building services throughout the wider Glasgow area and surrounding towns.
07597 659150 9 Cumbernauld Rd, Stepps, Glasgow G33 6LE
on GoogleGlasgow
Home Conversions co Tl and undertakes house extensions, kitchen alterations, and loft conversions in Glasgow and Central Scotland. The business assists homeowners with spatial planning and design services to expand residential spaces upward and outward.
0141 278 7202 48 W George St, Glasgow G1 2BP
on GoogleCambuslang, Glasgow
Pringle Design and Build constructs single and double-storey home extensions for clients across Glasgow. The team covers all trades internally to manage every stage of the residential construction process.
0141 634 9759 4 Busheyhill St., Cambuslang, Glasgow G72 8HY
on GoogleHamilton
Earnock Builders constructs home extensions, complete property renovations, and garden rooms across Hamilton, Glasgow, and Lanarkshire. The team provides full project management for residential building work from start to finish.
01698 902010 4d Auchingramont Rd, Hamilton ML3 6JT
on GoogleGlasgow
Ek Co operates a bathroom and kitchen showroom near Edinburgh, offering baths, showers, suites, tiles, wet rooms, and bifolding doors. Tradespeople supply and fit completed bathroom installations, kitchen projects, and home extension builds.
on GoogleClarkston, Glasgow
Sd Projects provides single and double-storey home extensions across Clarkston and the wider Glasgow area. The business constructs side and rear property additions to create extra living space for homeowners.
0141 638 3335 38 Seres Rd, Clarkston, Glasgow G76 7QF
Bargeddie, Glasgow
OBG Homes constructs single-storey, double-storey, and wrap-around home extensions across the Glasgow region. Their in-house team handles architectural planning, floor plans, and full building construction for residential clients.
0141 896 2843 252 Langmuir Rd, Bargeddie, Glasgow G69 7RR
Glasgow
S. Milligan Joiners and Builders Ltd delivers home extensions, conversions and custom joinery across Glasgow and Lanarkshire. Additional services include fitting kitchens and bathrooms, laying flooring, building decking and erecting garden fencing.
In Glasgow, single storey, per m² typically costs £1,700 – £2,400. Labour in Glasgow City runs 4% 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 glasgow". They are ranked on Google rating, online presence and other factors.
The figures above are Glasgow 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.