🧱External Wall Insulation & Cladding
External Wall Insulation (EWI) Calculator
Calculate external wall insulation and silicone render outlays for solid brick or stone properties to cut heat loss and upgrade your EPC rating.
Currently calculating with: £55.94/hr
📍Deutschland (EWI Specialist Rate)
190 m²
16 cm
Net Investment (after incentives)
£20,672
✓ £3,648 grant savings (U-Value: 0.19)Estimated Annual Fuel Bill Savings:ca. £1,942 / yr
Amortization Period:ca. 10.6 years
Building Envelope
Wall Insulation Cost Structure
Ø Durchschnitt£24,321
Ø Durchschnitt:
Dämmstoffplatten:£9,242Montage & Armierung:£10,701Oberputz & Gerüst:£4,378
Dämmstoffplatten
Montage & Armierung
Oberputz & Gerüst
FAQ & Knowledge
Frequently Asked Questions: External Wall Insulation & Cladding
Key renovation guidelines, statutory standards, and subsidy benchmarks at a glance:
?What is the cost of External Wall Insulation (EWI) in the UK??
Turnkey External Wall Insulation with silicone render costs approx. £90 to £140 per square metre of exterior wall. For a solid-wall semi-detached home, expect £8,000 to £15,000.
💡
Suggestion or Feature Request?
Are you missing a specific remodeling calculator, local trade metric, or energy grant feature? We welcome any feedback to calibrate the platform.
🐞
Report a Calculation Issue
Did you spot a calculation discrepancy, outdated contractor benchmark, or an incorrect grant cap? Let us know directly so we can inspect and fix it immediately.
