Areas we cover
We design and build two-storey extensions across the UK. Choose your area for local guide prices, the rules that apply and the towns we cover.
England
Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
- Bedfordshire (11 towns)
- Berkshire (14 towns)
- Bristol (7 towns)
- Buckinghamshire (13 towns)
- Cambridgeshire (13 towns)
- Cheshire (20 towns)
- Cornwall (10 towns)
- Cumbria (22 towns)
- Derbyshire (22 towns)
- Devon (22 towns)
- Dorset (16 towns)
- County Durham (19 towns)
- East Riding of Yorkshire (8 towns)
- East Sussex (15 towns)
- Essex (34 towns)
- Gloucestershire (15 towns)
- Greater London (215 towns)
- Greater Manchester (67 towns)
- Hampshire (34 towns)
- Herefordshire (8 towns)
- Hertfordshire (33 towns)
- Isle of Wight (8 towns)
- Kent (31 towns)
- Lancashire (30 towns)
- Leicestershire (23 towns)
- Lincolnshire (17 towns)
- Merseyside (42 towns)
- Norfolk (11 towns)
- North Yorkshire (16 towns)
- Northamptonshire (9 towns)
- Northumberland (19 towns)
- Nottinghamshire (16 towns)
- Oxfordshire (13 towns)
- Rutland (8 towns)
- Shropshire (11 towns)
- Somerset (18 towns)
- South Yorkshire (28 towns)
- Staffordshire (21 towns)
- Suffolk (12 towns)
- Surrey (35 towns)
- Tyne and Wear (20 towns)
- Warwickshire (10 towns)
- West Midlands (33 towns)
- West Sussex (19 towns)
- West Yorkshire (40 towns)
- Wiltshire (14 towns)
- Worcestershire (8 towns)
Wales
Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development.
- Clwyd (20 towns)
- Dyfed (21 towns)
- Gwent (27 towns)
- Gwynedd and Anglesey (10 towns)
- Mid Glamorgan (27 towns)
- Powys (8 towns)
- Cardiff and the Vale of Glamorgan (10 towns)
- Swansea and Neath Port Talbot (9 towns)
Scotland
Class 1B: two-storey extensions must be at least 10 m from every boundary to avoid planning permission, so most need an application.
- Aberdeen and Aberdeenshire (13 towns)
- Dundee and Angus (8 towns)
- Argyll and Bute (8 towns)
- Ayrshire (16 towns)
- Dumfries and Galloway (11 towns)
- Edinburgh and the Lothians (24 towns)
- Fife (14 towns)
- Falkirk, Stirling and Clackmannanshire (12 towns)
- Glasgow and Dunbartonshire (19 towns)
- Lanarkshire (27 towns)
- Renfrewshire and Inverclyde (10 towns)
- Highlands, Moray and Islands (21 towns)
- Perth and Kinross (8 towns)
- Scottish Borders (8 towns)
Northern Ireland
Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission.
Ready to see what a second storey could do for your home?
Book a free site visit. We'll look at your house, talk through options and explain the approvals you'd need, then price the design stage in writing.