Smart Home Energy 
If your loft has thin or patchy insulation, these 200mm Earthwool rolls let you top up to cut heating loss through the roof — DIY-friendly, combi-cut to fit your joist spacing, and pays back fast.
Problem it solves
Reduces heating bills by adding 200mm thermal insulation to loft space, preventing heat loss through the roof.
Who it's for
Homeowners with accessible lofts who want to top up existing insulation or insulate between ceiling joists to meet current Building Regulations thermal performance standards.
Why we recommend
Quality loft insulation at a good price - no nasty fibreglass.
Savings
- Typical annual saving
- £100–£350/year depending on property size, existing insulation depth, and heating costs
- Payback period
- Under 1 year to 3 years depending on existing insulation
