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Home Insulation

Stop heat escaping through your roof, walls, and floors. Insulation is the most cost-effective energy upgrade with grants covering up to 80% of costs.

Attic Insulation

Installation Cost€1,500-€3,500
SEAI GrantUp to €1,600
Annual Savings€350/year

Wall Insulation

Installation Cost€5,000-€10,000
SEAI GrantUp to €6,000
Annual Savings€600/year

Floor Insulation

Installation Cost€3,000-€6,000
SEAI GrantUp to €3,000
Annual Savings€250/year

Insulation Types Explained

Attic/Roof Insulation

Heat rises, making your attic the primary source of heat loss. Installing 300mm of mineral wool insulation prevents up to 30% of home heat loss.

Quickest installation (1 day)
Highest ROI
Prevents ice dams
Reduces noise

External Wall Insulation

Insulation boards fixed to external walls, covered with weather-resistant render. Ideal for solid wall homes (pre-1970s) with high heat loss.

Transforms building appearance
Eliminates cold bridges
Protects wall structure
Weather protection

Cavity Wall Insulation

Insulation blown into the gap between inner and outer walls. Suitable for homes built 1970-2000 with unfilled cavities.

Non-invasive installation
Completed in hours
Minimal disruption
Lower cost

Immediate Benefits

  • Warmer Home
    Even temperature throughout house
  • Lower Bills
    Up to 35% reduction in heating costs
  • Noise Reduction
    Better soundproofing from external noise
  • Comfort
    Eliminate cold spots and drafts

Required Standards

All insulation must meet SEAI technical standards:

  • Attic: Minimum 300mm depth
  • Wall: U-value ≤ 0.27 W/m²K
  • Floor: U-value ≤ 0.21 W/m²K
  • NSAI certified materials
  • Installed by registered contractor

Insulate Your Home

Get quotes from SEAI registered insulation specialists