Insulation Cost Calculator
Get an instant estimate for your home insulation project. Calculate costs, energy savings, and payback periods for loft, wall, and floor insulation.
Insulation Cost Calculator
Calculate costs and energy savings for your insulation project
How Our Insulation Calculator Works
Our insulation cost calculator provides estimates based on current UK prices for different insulation types, materials, and property specifications. The estimates include:
- Material costs for different insulation types and materials
- Installation costs including professional fitting
- Regional price variations across the UK
- Property age and complexity adjustments
- Annual energy savings estimates
- Payback period calculations
What's Typically Included
- Site survey and assessment
- Supply of insulation materials
- Professional installation
- Removal of existing insulation (if required)
- Building regulations compliance
- Clean-up and waste disposal
- Installation warranty
Factors Affecting Final Cost
- Type and amount of insulation required
- Property age, type, and construction
- Access difficulty and working conditions
- Existing insulation condition
- Additional features (ventilation, boarding, etc.)
- Regional labor costs and material logistics
Loft Insulation
Typically £8-15 per m² installed. Best value for money with payback periods of 2-4 years.
Cavity Wall Insulation
Usually £15-25 per m² installed. Great for properties built 1920-1990 with unfilled cavities.
Solid Wall Insulation
Typically £90-150 per m² installed. Higher cost but substantial savings for older properties.
Important Note: Prices shown are estimates based on typical UK installations. Actual costs may vary significantly based on your specific property, existing conditions, and local market rates. Some properties may have structural issues or require additional work that affects the final cost. For accurate pricing, we recommend getting quotes from certified installers who can assess your property properly.
Why Invest in Home Insulation?
Reduce Energy Bills
Proper insulation can reduce heating costs by 15-25%. Loft insulation alone can save £200+ annually on a typical family home.
Increase Comfort
Better insulation maintains consistent temperatures, eliminates cold spots, and reduces drafts throughout your home.
Add Property Value
Energy-efficient homes with good insulation typically have higher market values and improved EPC ratings.
Environmental Benefits
Reduced energy consumption means lower carbon emissions. A well-insulated home can save 1-3 tonnes of CO₂ annually compared to an uninsulated property.
Government Grants Available
Various government schemes and grants are available for insulation improvements, including ECO4, Local Authority funding, and energy company obligations.
Professional Installation vs DIY
Professional Installation Benefits
- Building regulations compliance guaranteed
- Proper installation techniques and safety
- Warranty on materials and workmanship
- Access to professional-grade materials
- Insurance coverage during installation
- Energy performance certificates if required
When DIY Might Be Suitable
- Loft insulation with good access
- Top-up of existing loft insulation
- Simple floor insulation from below
- You have relevant experience and skills
- No building regulations approval needed
- Comfortable working at height safely
Safety Warning: Cavity wall insulation, solid wall insulation, and complex roof work should always be carried out by certified professionals. Poor installation can cause structural damage, damp problems, or void your home insurance.