External Wall Insulation cost-effective solution to improve your home's energy efficiency
External Wall Insulation (EWI) is a premium energy-saving solution that involves fitting insulation material to the outside of your home, followed by a protective render or cladding. This creates a “thermal jacket” around your property, preventing heat loss, reducing energy bills, and enhancing your home’s appearance.
Ideal For:
- Homes with solid walls (no cavity)
- Properties built before 1920
- Households struggling with damp, drafts, or high heating costs

Cut Energy Bills by Up to 40%
Traps heat inside your home, reducing reliance on heating systems.
Eliminate Damp & Condensation
Acts as a moisture barrier, protecting walls from weather damage.
Boost Property Value
Modernizes your home’s exterior with sleek finishes.
Reduce Carbon Footprint
Make your home more environmentally friendly with improved insulation.
Government Grants Available
Take advantage of government support for energy-efficient home improvements.
5 Key Benefits External Wall Insulation?
✅ Year-Round Comfort – Stays warm in winter, cool in summer.
✅ No Internal Disruption – Work is done outdoors; no need to vacate your home.
✅ 10+ Year Warranty – Long-term protection with accredited guarantees.
✅ Soundproofing – Reduces noise from traffic or neighbors.
✅ Low Maintenance – Durable finishes resist cracking and weathering.

Eligibility Check
Answer 3 quick questions to see if you qualify for government funding.
Takes 2 minutesFree Home Survey
Our experts assess your walls and recommend optimal insulation materials.
No obligation quoteProfessional Installation
Certified installers fit insulation with your chosen finish.
3-7 days completionStart Saving
Enjoy immediate benefits of a warmer home and reduced bills.
40% average savingsImprove Your EPC Rating with UK External wall Insulation Grants
Transform your home into a cozy, energy-efficient sanctuary. External wall insulation outside your external walls, preventing up to 35% of heat loss, slashing energy bills by £300+/year, and reducing carbon emissions by 670kg annually. Perfect for properties built between 1930-1995 looking to boost EPC ratings and increase market value while enjoying government-funded installation.
Why It Matters for Property Value?
Homes with high EPC ratings (Band C or above) sell 20% faster and attract premium prices. In competitive markets, energy-efficient properties stand out, making cavity wall insulation a smart investment for homeowners planning to sell or rent.

Standard Installation
The typical cost without any grants or funding assistance, based on your property size and specific requirements.
- Professional installation
- Quality materials & components
- Standard warranty protection
- Post-installation inspection
ECO4 Funded Installation
Pay nothing upfront if you qualify for the government’s ECO4 energy efficiency scheme, designed to help reduce energy bills.
- Homeowners and private tenants
- Universal Credit recipients
- Pension Credit recipients
- Other qualifying benefits
Prices may vary based on property size, condition, and specific requirements. Contact us for a personalized assessment.
Will EWI change my home’s appearance?
Yes—but for the better! Choose from:
How long does installation take?
3–7 days for most homes.
Is planning permission needed?
Usually not required except for:
We handle all checks for you!
Does it work with uneven walls?
Yes! EWI can be applied to:
How long does EWI last?
Our premium insulation systems are built to last:
Does EWI require special maintenance?
Minimal maintenance required:
60-Second Check
Instant eligibility verification
£0 Cost
Fully funded installation
Immediate Start
Quick installation timeline
Funded through the ECO4 Scheme • Helping UK Homes Since 2013