379
Only, with the grants, you get 2 and 3 back, paying, on average, somewhere between a third and a quarter of the actual price.
Cavity wall insulation will also increase the B.E.R. rating of your house, and the value.
![](https://www.greystonesguide.ie/wp-content/uploads/2024/07/FC-Insulation-Jimmy-Murray-Arklow-FRI19JULY24-6-600x800.jpeg)
The bould Jimmy Murray from FC Insulation