Pro Tool
Estimate your property's EPC rating and find the most cost-effective improvements. See which upgrades push you from D to C. UK-specific, instant results.
Calculate Your SDLT — FreeCurrently, rental properties in England and Wales must have a minimum EPC rating of E. The government has proposed raising this to C for new tenancies (potentially by 2028), though the timeline has been delayed. Our calculator shows whether your property meets both current and proposed requirements.
It depends on your starting point and target. Loft insulation (£300-£600) and cavity wall insulation (£500-£1,500) are the cheapest high-impact upgrades. A new condensing boiler costs £2,000-£4,000. Double glazing a 3-bed house costs £4,000-£7,000. Our calculator shows the most cost-effective path for your property.
An online estimator gives a reasonable indication based on the information you provide, but it's not a replacement for a certified EPC assessment. Real EPCs are calculated using the Standard Assessment Procedure (SAP) which is more detailed. Use our tool for planning — then book an official assessment when ready.
If your property is below an E rating, you cannot legally let it in England and Wales. Penalties are up to £5,000 per property. You can apply for an exemption if you've spent up to £3,500 on improvements and still can't reach E (the "cost cap" exemption), but this requires evidence.
Research suggests properties with higher EPC ratings sell for a premium — estimated at 5-15% more than equivalent properties with lower ratings. Beyond the value uplift, better ratings also reduce energy bills, making your property more attractive to tenants and reducing void periods.