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EPCGuide

EPC Upgrade ROI Calculator

Find out how much you could save and earn by improving your rental property's EPC rating. See payback period, rental uplift, and 10-year net returns.

Free to useUpdated March 2026
Founding offer

Want the exact, costed route to EPC C for your property?

The EPC C Action Planturns your property’s real EPC record into an ordered, costed upgrade plan: which measures, in what order, which grants you qualify for, and whether an exemption applies. Backed by 27.6 million real EPC certificates covering 19.7 million homes, so you see what properties like yours actually spent to reach C.

£29 founding price · one property · in your inbox within the hour, then refined by a real person over the next 48
Get your Action Plan

Step 1: Your Property

Band D meets the minimum of E in force in England and Wales today. It would need to reach band C under the proposed 2030 MEES rules, which are not yet law.

Affects installation costs (larger or older properties cost more).

Step 2: Current Energy Costs

Using: £2,000/year as your current annual energy cost.

Step 3: Select Planned Upgrades

Tick each upgrade you plan to carry out. Adjust costs to match your quotes.

Loft Insulation

Top up or install 270mm mineral wool insulation in the loft

+10 SAP pts-15% bills

Cavity Wall Insulation

Fill cavity walls with mineral wool or bead insulation

+8 SAP pts-12% bills

Solid Wall Insulation

Internal or external solid wall insulation for pre-1930s homes

+12 SAP pts-18% bills

Double Glazing

Replace single or old double glazing with modern A-rated units

+5 SAP pts-8% bills

Air Source Heat Pump

Replace gas or oil boiler with an air source heat pump

+15 SAP pts-22% bills

Solar PV Panels

3.5kWp solar panel system with export tariff benefits

+15 SAP pts-20% bills

LED Lighting

Replace all fixed lighting with low-energy LED fittings

+3 SAP pts-4% bills

Draught Proofing

Seal gaps around doors, windows, and floorboards

+3 SAP pts-5% bills

Select at least one upgrade to calculate your ROI.

Ready to get real quotes for these upgrades?

Tell us about your property and we will connect you with recommended, vetted installers. Free, no obligation.

What is your relationship to the property? *

See the full list of who we work withLeave this unticked and we'll just send you the information, no installer will contact you.

No obligation. You choose whether we introduce you to anyone.

Related Resources

Tool5 min read

Upgrade Cost Calculator

Detailed cost estimates by property type, region, and current EPC rating.