Areas we cover
Cavity wall insulation, surveys, top-ups and removals across England, Wales, Scotland and Northern Ireland. Remote and island addresses are by arrangement.
England
- Bedfordshire
- Berkshire
- Bristol
- Buckinghamshire
- Cambridgeshire
- Cheshire
- Cornwall
- Cumbria
- Derbyshire
- Devon
- Dorset
- County Durham
- East Riding of Yorkshire
- East Sussex
- Essex
- Gloucestershire
- Greater London
- Greater Manchester
- Hampshire
- Herefordshire
- Hertfordshire
- Isle of Wight
- Kent
- Lancashire
- Leicestershire
- Lincolnshire
- Merseyside
- Norfolk
- North Yorkshire
- Northamptonshire
- Northumberland
- Nottinghamshire
- Oxfordshire
- Rutland
- Shropshire
- Somerset
- South Yorkshire
- Staffordshire
- Suffolk
- Surrey
- Tyne and Wear
- Warwickshire
- West Midlands
- West Sussex
- West Yorkshire
- Wiltshire
- Worcestershire
Filling an existing cavity wall is notifiable building work in England.
Wales
In Wales, filling an existing cavity is also notifiable building work under the Building Regulations as they apply in Wales.
Scotland
- Glasgow
- Edinburgh
- Lanarkshire
- Ayrshire
- Renfrewshire and Inverclyde
- Dunbartonshire
- Lothian
- Fife
- Forth Valley
- Tayside
- Aberdeen and Grampian
- Highlands and Islands
- Argyll and Bute
- Dumfries and Galloway
- Scottish Borders
In Scotland, work associated with thermal insulating material within a wall is listed in schedule 3 of the Building (Scotland) Regulations as work that does not need a building warrant.
Northern Ireland
In Northern Ireland, inserting insulation into an existing cavity wall needs a building control application to your council before the work.
Find out if your walls can be filled
Free survey with an install quote. Written result. Fixed price before any work.