Improve Your Home’s Energy Efficiency with Cavity Wall Insulation
Cavity wall insulation is one of the most effective ways to improve your home’s energy efficiency, keeping it warmer in the winter and cooler in the summer. By filling the gap between the inner and outer walls of your home with insulating material, you can reduce heat loss, lower your energy bills, and create a more comfortable living environment.

Improve Your Home’s Energy Efficiency with Cavity Wall Insulation
Cavity wall insulation is one of the most effective ways to improve your home’s energy efficiency, keeping it warmer in the winter and cooler in the summer. By filling the gap between the inner and outer walls of your home with insulating material, you can reduce heat loss, lower your energy bills, and create a more comfortable living environment.
Benefits of Cavity Wall Insulation

Lower Energy Bills
Reduce heat loss and spend less on heating your home.

Increased Comfort
Maintain a consistent and comfortable indoor temperature year-round.

Prevents Condensation
Helps prevent dampness and mold growth by keeping walls warmer.

Eco-Friendly
Reduces your carbon footprint by improving your home’s energy efficiency.

Quick Installation
Typically completed within a few hours with minimal disruption.

SEAI Grant for Cavity Wall Insulation
Homeowners in Ireland may be eligible for a Sustainable Energy Authority of Ireland (SEAI) grant to help cover the cost of cavity wall insulation.
Grant Amount: SEAI offers grants of up to €1,700 for cavity wall insulation (see grant amounts based on property type below).
- Apartments – €700
- Mid-Terrace Homes – €800
- Semi-Detached or End-of-Terrace Homes – €1,200
- Detached Homes – €1,700