External Wall Insulation
External Wall Insulation in Gloucester & surrounding areas
County Insulation provides expert external wall insulation in Gloucester, Gloucestershire and surrounding areas, helping homeowners improve energy efficiency, reduce heat loss and enhance the external appearance of their property.
External Wall Insulation (EWI), also known as solid wall insulation, is installed on the outside of your property, creating a thermal barrier that keeps heat inside while protecting your building from the elements.
of heat loss in a typical UK property can occur through the walls.
Benefits of external wall insulation
- Significantly reduces heat loss through walls
- Improves energy efficiency and lowers heating costs
- Creates a warmer and more comfortable home
- Protects brickwork and building structure
- Reduces condensation and damp issues
- Enhances external appearance with a modern finish
Why it matters
Installing external wall insulation significantly improves thermal performance, helping your home stay warmer for longer while reducing energy usage. EWI systems typically add 70mm–100mm thickness to external walls, depending on the insulation used.
Services
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solutions.
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Loft Insulation
Rolled insulation, loft boarding, ladders, new hatches and ventilation improvements to cut heat loss through the roof.
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Internal Wall Insulation
Ideal where external changes are not suitable — improves efficiency from the inside without affecting the exterior.
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Foil Insulation
Approved SuperFOIL installers — the thinnest 3-in-1 solution: insulation, vapour control layer and radiant barrier.
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Spray Foam Removal
Safe, careful removal of problematic spray foam to restore your loft and help with mortgages and sales.
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Frequently asked
Questions, answered.
Proper insulation can significantly reduce heat loss, helping lower your energy bills by improving your property’s efficiency.
It depends on your property type and construction. We assess your home and recommend the most suitable solution, whether that’s loft, wall, or room-in-roof insulation.
Most insulation projects are completed within a few days, although larger or more complex jobs may take longer.
Yes, external wall insulation is especially effective for older properties and can greatly improve both efficiency and external appearance.
Yes, we are approved SuperFOIL installers and provide high-performance insulation systems backed by a 25-year guarantee.