Before the Work Begins
The tenement housing in the G1 area rarely offers the rear garden space suited to traditional extensions, but the city's large stock of interwar and post-war suburban semi-detached properties in the outer neighbourhoods frequently does — and for tenement properties, a rear extension at ground floor level can be a transformative way to add kitchen and dining space.
The area is a city in Lanarkshire, Central Scotland, administered by Glasgow City Council. The postcode districts covering the area are G1–G14, G20–G23, G31–G34, G40–G46, G51–G53. Nearby areas include Paisley, East Kilbride, Hamilton, Motherwell. Single-storey rear extensions within permitted development limits do not require a planning application — your builder should confirm the PD position for your specific property before design work begins.
What to Expect from a Glasgow Building Extension
Scotland's planning framework applies in Glasgow — householder development rules differ from England's permitted development in some respects. The sandstone tenements that define much of the city's older character are rarely the subject of extension projects (the building form doesn't lend itself to it), but the suburban villa and semi-detached stock in Bearsden, Milngavie, Newton Mearns, and Giffnock is extensively extended.
Building Regulations and Planning in Glasgow G1
Glasgow's suburban property market — the better outer suburbs — supports substantial extension investment. A 20 square metre single-storey rear extension in the outer Glasgow suburbs typically costs £36,000–£54,000. Scotland's building warrant requirement applies. Getting a local architect familiar with Scottish planning rules and building standards before approaching contractors gives the project a more solid foundation.