Floor Insulation Cost
Stop the chill coming up through your floors
Average Cost per m²
Energy Rating
Annual Savings
Payback Period
About Floor Insulation
Insulation installed under floors to prevent heat loss through the ground. Particularly important for suspended floors and properties with cellars.
R-Value Range
R-2.5 to R-4.5
Typical Lifespan
25+ years
Installation Complexity
Medium
Energy Rating
B+
Maintenance Level
None
Cost Category
Standard
Advantages & Considerations
Advantages
- Eliminates cold floors
- Reduces drafts
- Can be combined with underfloor heating
- Good sound insulation
Considerations
- Access challenges
- May require floor covering replacement
- Reduces floor to ceiling height
- Can be disruptive
Best Suited For
Suspended floors
Properties with cellars
Ground floor rooms
Cold floor problems
Floor Insulation Cost Breakdown
The table below shows typical costs for Floor Insulation including materials and installation. Prices vary based on area size, material choice, and property accessibility.
| Area Size | Materials | Installation | Total Cost | Annual Savings |
|---|---|---|---|---|
| Small (20m²) | £500 | £700 | £1,200 | £140 |
| Medium (40m²) | £1,000 | £1,400 | £2,400 | £280 |
| Large (80m²) | £2,000 | £2,800 | £4,800 | £560 |
| Extra Large (120m²) | £3,000 | £4,200 | £7,200 | £840 |
Cost Factors
Factors that increase cost:
- Difficult access areas (+20-40%)
- Premium materials (+15-30%)
- Additional preparation work (+10-25%)
- Weekend or urgent installation (+15-20%)
Ways to save on cost:
- Larger areas reduce cost per m² (10-15%)
- Off-peak season installation
- Combining multiple insulation types
- Getting multiple installer quotes
Material Options for Floor Insulation
Different materials offer varying performance characteristics for Floor Insulation. Choose based on your budget, performance requirements, and environmental preferences.
Material compatibility information will be loaded from your database.
Mineral Wool
Excellent thermal performance
£12/m²
Spray Foam
Superior air sealing
£25/m²
Installation Guide
Floor Insulation requires professional installation to ensure proper performance and safety.
Installation Process
- Assessment - Survey the area and measure requirements
- Preparation - Clear the area and prepare surfaces
- Installation - Install insulation according to specifications
- Sealing - Ensure proper air sealing and vapor barriers
- Finishing - Complete any necessary finishing work
- Quality Check - Verify installation quality and coverage
Professional Installation
Professional installation ensures optimal performance
Specialists have proper equipment and safety gear
Installation typically takes 1-3 days depending on area
Professional installation includes warranty coverage
Regional Considerations
Climate and local factors can affect Floor Insulation performance and installation considerations.
London & South East
Mild winters, warm summers, moderate rainfall
North England
Cold winters, moderate summers
Scotland
Cold winters, moderate summers, high rainfall and wind
Wales
Mild but wet climate, moderate temperatures
Quick Stats
Potential Energy Savings
*Estimates based on typical UK home. Actual savings depend on property size, existing insulation, heating system, and usage patterns.