← All energy services

Insulation

The cheapest kilowatt is the one you never use. We start here on most retrofit projects.

Insulation — installation by AT Group

What's included

  • Thermal survey and damp check
  • Loft, cavity or external wall insulation
  • Ventilation assessment
  • Making good and clearance
  • Before and after performance note

Typical numbers

Typical scope
Loft + cavity
Install time
1 – 3 days
Indicative cost
£800 – £6,000
Bill impact
5 – 20%

Indicative only. Your survey gives fixed figures for your property.

Other services

Book a free survey. We'll tell you honestly if it isn't worth it.