One of the Most Cost-Effective Energy Improvements Available
An uninsulated loft allows around 25% of a home's heat to escape through the roof. Loft insulation addresses this directly, retaining warmth during cold months and reducing the amount of energy needed to heat your home. It is one of the most straightforward and cost-effective energy efficiency improvements available for UK properties, and it can be installed with minimal disruption, typically in under a day.
To install loft insulation and improve EPC with loft insulation, Cucumber Eco helps homeowners, landlords, and tenants access loft insulation grants through the Warm Homes Plan, ECO4, and 0% finance options where applicable. Our team manages the full process from eligibility assessment through to installation.
Check Your Eligibility
What Loft Insulation Involves
Loft insulation typically involves laying mineral wool or loose-fill insulation material between and over the joists in your loft space to the depth recommended under current building regulations. Key features of a modern loft insulation installation include:
- ✓ Mineral wool laid to a depth of 270mm or more
- ✓ Rapid installation, usually completed in a few hours
- ✓ No disruption to the rest of your property
- ✓ Applicable to pitched roofs with accessible loft space
- ✓ Compatible with properties of all ages
How Loft Insulation Improves Your EPC Rating
Loft insulation directly improves the fabric energy efficiency score used in your EPC assessment. An uninsulated or poorly insulated loft is one of the most significant heat loss pathways in a home, and improving it can move a property up by one or more EPC bands. Upgrading loft insulation can help:
- ✓ Raise the SAP (Standard Assessment Procedure) score
- ✓ Improve the property's energy efficiency band
- ✓ Support landlord compliance with MEES requirements
- ✓ Reduce the amount of heating needed to maintain comfortable temperatures
Is Your Property Suitable?
Loft insulation is suitable for most properties with a pitched roof and accessible loft space, including:
- ✓ Houses and bungalows with pitched roofs
- ✓ Properties with little or no existing loft insulation
- ✓ Homes currently below EPC band C
- ✓ Rental properties where landlords need to meet MEES targets
Flats and properties with flat or unusable loft spaces may require alternative approaches such as internal wall insulation or room-in-roof insulation. Our assessors will advise on the best option for your property.
Typical Savings
Based on a typical semi-detached house moving from no insulation to 270mm mineral wool. Actual savings depend on property size, heating system, and existing insulation depth.
Grant Funding Through the Warm Homes Plan
Loft insulation is one of the measures most commonly funded under the Warm Homes Plan and the ECO4 scheme. Where a household meets the eligibility criteria, the installation can be fully funded at no cost to the homeowner, landlord, or tenant. Eligibility is based on factors including:
- ✓ Household income (income-based eligibility)
- ✓ Property postcode (low-income area eligibility)
- ✓ Existing EPC rating
- ✓ Property type and construction
If you do not qualify for grant funding, installation may still be available through 0% interest finance with approved providers, subject to eligibility.
Apply for FundingGet a Free Assessment
We will assess your property and eligibility at no cost and with no obligation.