Cavity Wall Insulation – Home Energy Funding Scotland

Free Cavity Wall Insulation Grants – Government Energy Saving Scheme

Free Cavity Wall Insulation Grants in Scotland

Save up to £300 a year on your energy bills with fully funded cavity wall insulation. If you own your home in the Central Belt of Scotland and are in council tax bands A-E, on a low income (under £31,000), or receive benefits, you could qualify for a government grant covering the full cost.

No upfront costs
Fast, 2-3 week process from first call to completion
Local, approved contractors
All work fully guaranteed

Check your eligibility now!

The cavity is located between the inner and outer brickwork of the property

Cavity Wall Insulation can lower your heating bills, lower wear and tear on your boiler and reduce global warming and climate change

CIGA (Cavity Insulation Guarantee Agency) issue an independent 25 year guarantee covering defects in materials and workmanship.

Cavity Wall Insulation can give you an annual saving of up to £275. There are a number of grants and schemes available to home owners which can substantially reduce the cost of installing these product.

The main materials used by NIA installers are Mineral Wool (Glass or Rock Wool), EPS Bead (Polystyrene bead) and PU Foam (Polyurethane Foam)

There is also a 25 year insurance backed guarantee available for PU Foam.

The recommended cavity width is 50mm

Find our more about the benefits of Cavity wall insulation

FAQ

What is a cavity wall?
How is cavity wall insulation installed?
Is my house suitable?
Do I have to do anything before the installation?

The drilling process does create some vibration – so it would be wise to remove ornaments, particularly on external walls, for their safety and your peace of mind.

The Technician will need access to all walls, so he will need to get inside attached garages, lean-to sheds, conservatories etc. The insulation can only be really effective if all walls are done. If you have a wall right on the boundary, you may like to mention to your neighbour, that the Technician will need to go onto their property.
Are all the systems of insulation the same?
There are several different types of insulation:

Bonded bead (white polystyrene beads)

Glass wool (Yellow or white in colour)

Rock wool (Grey/brown in colour)

Note: both glass wool and rock wool are known as ‘mineral wool’.

All systems of CWI have been tested, assessed and approved by the British Board of Agréement or the British Standards Institution. All are suitable for their purpose.

All systems have a similar insulation value.
How do I know the walls are full?

Each system has a defined pattern of holes, which has been tested to verify that it results in a complete fill. Most systems have an automatic cut out, which actuates when the adjacent wall area is full. There is tolerance in the injection pattern so that the material will flow past the next injection hole.
What about the ventilators that are in the external wall?

Ventilators supplying combustion air to fuel burning appliances must be safeguarded. Similarly ventilators at ground level that ventilate below timber floors must be safeguarded. The Technician will investigate them to check they are already sleeved. If they are not, the Technician will remove them and seal around them to stop them being blocked by the insulation. Other vents, which may be redundant, such a cavity vents or vents that used to supply air to open fires in bedrooms may be closed off. The Technician should discuss these with you. Redundant airbricks may be filled.
How long will the insulation last?
Will my house be warmer?

Yes – if your heating is not controlled by a thermostat. However, if you have a thermostat, it will cut out the heating at the same temperature, so you may not notice the difference in the room with the thermostat. However, you should find that the temperature in other parts of your house improves, for example, the small bedroom on the corner.

With CWI, you should find that the house holds its temperature for longer, therefore the time between heating cycles may be longer. The result should be a more even temperature throughout the house and / or a reduced fuel bill.
If I am concerned after the installation – what should I do?

Cavity Wall Insulation stores the heat within the inner walls, bouncing it back into the room and holding it for longer.

Cavity Wall Insulation stores the heat within the inner walls, bouncing it back into the room and holding it for longer.

Free Cavity Wall Insulation Grants – Government Energy Saving Scheme

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