Cavity wall insulation installers with a decade’s worth of experience

If your home was built before 1985, you are guaranteed to be losing up to 45% of heat through the walls every single year. In other words, you’re wasting your money! Cavity Wall Insulation involves filling the air space in your walls with a type of material that stops heat transfer, preventing waste and therefore saving you money on your energy bills.

Save up to


per year on your energy bills!!!

Our expert surveyors will assess the best materials for you.

Start saving on your energy bills

Reduce your carbon footprint

We can no longer turn a blind eye to the fact that the world has been plunged into a climate emergency, and we must do more to offset the damage we’ve inflicted. Cavity wall insulation prevents heat loss, meaning fewer fossil fuels will burn as a result. Your home’s EPC rating is a great indication of just how environmentally-friendly your property is.

Save energy with Thrift Energy

Boost your EPC rating with Cavity Wall Insulation

Advantages of Cavity Wall Insulation

  • Save up to £480 per year on your energy bills
  • Takes (on average) 2-4 hours to install
  • 25-year guarantee
  • Can reduce sound transmission through your wall
  • Won’t affect the appearance of your home
  • Can reduce draughts
  • Improve your home’s EPC (Energy Performance Certificate) rating

How do you know if your home is suitable for Cavity Wall Insulation?

  • You have external walls that are unfilled cavity walls
  • The cavity is at least 50mm wide
  • The cavity is clear of rubble
  • Your masonry or brickwork is in good condition
  • Your house is not at risk of flooding

More services that can lower your bills

Solar Packages

Read more

Solar Panels

Read more

Solar Batteries

Read more

Air Source Heat Pumps

Read more

Flat Roofing Insulation

Read more


Read more

Room in Roof Insulation

Read more

Underfloor Insulation

Read more

Loft Insulation

Read more

Solid Wall Insulation

Read more

External Wall Insulation

Read more

Boiler Replacement

Read more

Internal Wall Insulation

Read more

Proud to have worked with

Eden District Council
Carlisle City Council
Sanctuary Housing
Northumberland County Council
North Tyneside Council
Newcastle City Council
Darlington Borough Council
Stockon-on-Tees Borough Council
Middlesbrough moving forward
Hartlepool Borough Council

Contact Thrift Energy

Start saving on your energy bills today – fill out the contact form below and our energy saving experts will be in touch.

    Your Details

    Services Required

    Household Details
    Type of occupancy
    Type of property
    No. of rooms

    Your Address

    Lastly, where did you hear about us?