Landlord Energy Efficiency Requirements — EPC C Targets and What Landlords Must Do

The Current Legal Position: MEES

The Minimum Energy Efficiency Standards (MEES) currently require all privately rented properties in England and Wales to have an EPC rating of E or above:

• Since April 2018: new tenancies must be E or above
• Since April 2020: all existing tenancies must be E or above

Landlords with F or G rated properties cannot legally let them without a valid exemption. Fines of up to £5,000 per property apply for non-compliance, and penalties can reach £30,000 in serious cases.

The EPC C Target

Government policy sets a target for all privately rented homes to reach EPC band C or above:

• **2030:** deadline for new tenancies
• **2033:** deadline for all existing tenancies

This target is not yet enacted in law but represents the clear direction of travel and is expected to be legislated. Landlords who treat the C target as aspirational policy rather than an upcoming legal obligation do so at their own risk.

The Proposed Cost Cap

The government has indicated a proposed spending cap of **£15,000** per property before an exemption can be claimed. Under the proposed framework, if you spend £15,000 on improvements and the property still cannot reach C, you may apply for a high-cost exemption. However, the exemption framework has not yet been finalised.

The Most Common Improvement Measures

To move from a D or E rating to C, the most common interventions are:

**Insulation**

• Loft insulation: typically £300–£600 (or free via ECO4/GBIS for eligible properties)
• Cavity wall insulation: typically £500–£1,500
• Solid wall insulation: £8,000–25,000 (internal or external) — the most expensive measure

**Heating systems**

• Modern condensing boiler: £2,500–5,000 installed
• Heat pump (air source): £8,000–15,000 (partially offset by the Boiler Upgrade Scheme — £7,500 grant available)

**Windows and glazing**

• Double glazing: £400–£600 per window
• Triple glazing: significantly more, but delivers a higher EPC improvement

Available Funding

**ECO4 (Energy Company Obligation 4):** Energy companies are obligated to fund energy efficiency improvements for low-income and vulnerable households. Landlords with eligible tenants may qualify for fully funded measures.

**Great British Insulation Scheme (GBIS):** Targets homes in EPC D–G and households receiving certain means-tested benefits. Provides funded insulation measures.

**Boiler Upgrade Scheme:** £7,500 grant towards an air source heat pump or £6,000 for a biomass boiler. Available to landlords.

Checking Your Property’s EPC

Every EPC is lodged on the national EPC register and is valid for 10 years. You can check your property’s current EPC rating and the recommended improvements via Property Passport UK or directly via the government’s EPC register at epcregister.com. The EPC includes a recommended improvement list with estimated cost and the potential rating achievable.

The Financial Case for Improving Energy Efficiency

Beyond compliance, there is a commercial case for upgrading:

• **Higher achievable rent:** Energy-efficient properties are cheaper to heat. In the current energy cost environment, tenants will pay a premium for lower bills.
• **Easier to let:** EPC C properties have a wider pool of prospective tenants, including those whose benefits (e.g., Local Housing Allowance) may be restricted to better-rated properties.
• **Lower void risk:** Tenants in comfortable, affordable-to-run properties stay longer.

Exemptions

If you genuinely cannot achieve EPC C despite spending the cost cap, exemptions can be registered on the PRS Exemptions Register. Valid exemption grounds include:

• **High cost exemption:** all relevant improvements would exceed the cost cap
• **Consent refused:** freeholder or local authority consent required but refused
• **Listed building exemption:** improvements would unacceptably alter the property’s character (for listed buildings or those in conservation areas)
• **Devalue exemption:** a RICS surveyor confirms improvements would devalue the property by 5% or more

Exemptions last 5 years (or until the property changes hands), after which the position must be reassessed.

Property Passport UK stores EPC data for registered properties and tracks improvement recommendations, helping landlords plan and document their compliance journey.