Glasgow Home ConversionsFree help planning a loft, garage or garden room in Glasgow

Need more room? Start here before you speak to a builder

Moving is expensive and you like where you live. If there's a loft, a garage or a bit of garden doing nothing much, it might be the answer. This site tells you what it costs, what you'll need from the council, and puts you in touch with one local firm when you're ready.

Tell us what you're planning How it works

One firm, not a list. Your details aren't sold to five companies who all ring the same evening. One independent firm that works in your area gets your enquiry. We're a matching service, not a builder.

Three ways to get more space

Loft and attic conversions
Usually the first thing to look at in a house or bungalow. In Scotland you may hear "attic" more than "loft". It's the same job. MyJobQuote's Glasgow prices run from £18,000 for rooflights to £66,000 for a mansard.
Garden rooms
An office, gym or den with no building work inside the house. Many don't need a building warrant, though there are firm limits. MyJobQuote puts a typical one at £20,000 to £38,000.
Garage conversions
Often the cheapest space you can add, because the walls and roof already exist. It always needs a building warrant. MyJobQuote puts a single integral garage at £10,000 to £14,000 across the UK.

Prices are guides, not quotes. Sources: MyJobQuote Glasgow loft prices (9 October 2026); MyJobQuote garage conversion costs (9 July 2026), a UK figure; MyJobQuote garden room costs (6 October 2026), a UK figure for a 12 to 15 m² room.

We also cover dormers, house extensions and building warrant drawings, if all you need at this stage is a set of plans.

Two things to know early

Planning permission and a building warrant are different things. Planning is about how the house looks and how it affects the neighbours. A warrant is about whether the work is safe and sound. You can need one, both or neither. Converting a loft or garage into a room needs a warrant (mygov.scot, updated 24 November 2025), and starting without one is an offence.

Most of the Glasgow market is the suburbs, for a simple reason. About 73% of homes in Glasgow are flats (Understanding Glasgow). If you own a tenement or other flat, there are no permitted development rights to enlarge the roof (Scottish Government Circular 1/2024), and the roof usually involves your neighbours as well. Our planning guide explains what that means.

Where we can help

We take enquiries from across Greater Glasgow. These pages cover the local houses, the usual conversions and the council you'd deal with:

Giffnock
East Renfrewshire Council.
Newton Mearns
East Renfrewshire Council.
Bearsden
East Dunbartonshire Council.
Milngavie
East Dunbartonshire Council.
Paisley
Renfrewshire Council.
East Kilbride
South Lanarkshire Council.

Useful before you ring anyone

Is my loft suitable? Head height, roof structure, stairs and fire escape.
What a loft conversion costs in Glasgow, by type, with the extras people forget.
Do I need planning permission for a loft? The Scottish rules, which aren't the same as England's.
Garden room rules in Scotland, including the 8 m² and 30 m² limits.