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What are the benefits of cavity wall insulation?
 

Typically 35% of heat lost from a house escapes through uninsulated cavity walls. This can be reduced to around 10% by having cavity wall insulation installed.

On average you will save around £140 per year on energy bills and reduce your CO2 emmisions by 560kg/year (Energy Saving Trust figures, November 2013)

By insulating your cavity walls it will not only keep the warmth in to save energy, but it can also help reduce condensation inside the house if this is a problem on your external walls.

 

 

How does it work?
 

Cavity wall insulation works by injecting insulation material into the cavity between the walls of your home. The insulation then acts as a blanket to help stop heat escaping through the walls of your home. It’s suitable for most homes built between the 1930s and the 1980s, is maintenance-free and comes with a 25-year guarantee from the Cavity Insulation Guarantee Agency (CIGA).

03

What does cavity wall insulation mean for your home?

 

 

Cavity wall insulation reduces heat loss through the walls and, as a result, provides an even temperature around your home. With less heat escaping, your home will be more energy efficient and your heating bills reduced. In fact, you could save around £160 per year (1).

 

  • Takes less than a day to install.

  • Keeps your home warmer in winter and cooler in summer.

  • Comes with a 25-year guarantee.

  • Saves you around £160 per year. (1)

  • Saves you around 600kg of CO2 per year. (2)

04

Your Installation

 

  • The engineers will drill small holes around 22mm wide in the mortar at intervals of one metre all around the outside of your home.

  • Insulation will then be blown into the cavity using specialist equipment.

  • Once all the insulation is in, the holes will be filled so you'll barely notice them.

  • After the installation is completed, you’ll be sent a 25-year guarantee from the Cavity Insulation Guarantee Agency (CIGA).

 

[1] Savings figure source energysavingtrust.org.uk/insulation/roof-and-loft-insulation and

 

energysavingtrust.org.uk/insulation/cavity-wall-insulation March 2015. Actual savings depend on individual circumstances.

 

[2] Free installations are through the Energy Company Obligation and are subject to assessment, technical survey and eligibility criteria. The funding available is to cover insulation and if needed extra specialist equipment, i.e. scaffolding and vents. Some properties require more specialist equipment which can't always be covered so if you need more you have the option to pay the extra. Tenants must seek landlord's permission.