Landlord Laws & Legislation

MEES 2015: EPC Band E Minimum, Band C by 2030 & Fines

Reviewed by Bradley Askew, Solicitor (non-practising), England & Wales · SRA 300076

Last reviewed 28 July 2026

The Energy Efficiency (Private Rented Property) (England and Wales) Regulations 2015 establish the Minimum Energy Efficiency Standard (MEES) for the private rented sector. Letting a property below EPC Band E is unlawful, with limited registered exemptions. The threshold is rising: in its January 2026 government response, the government confirmed a single compliance date of 1 October 2030 for all tenancies to meet the higher (broadly EPC C) standard — dropping the earlier proposal to phase it in from 2028 for new tenancies. The confirmed policy is not yet law: it needs primary legislation and a statutory instrument the government aims to bring into force in 2027. Until then the current regime applies — Band E minimum, a £3,500 cost cap, and civil penalties of up to £5,000 per property. This page covers the current standard, the confirmed 2030 timetable, the six exemptions, the cost cap (rising from £3,500 to £10,000 under the confirmed policy), and the strategic planning landlords need around the implementation timeline.

What the Regulations do

The Energy Efficiency (Private Rented Property) (England and Wales) Regulations 2015 establish the Minimum Energy Efficiency Standard (MEES) for the private rented sector. The Regulations make it unlawful to let a residential property with an EPC band below E, subject to limited registered exemptions. They build on the EPC framework created by the 2012 Regulations: where the 2012 Regulations require certificates to be produced, the 2015 Regulations require the certificates to show a minimum standard.

The MEES regime came into effect for new tenancies on 1 April 2018. Since 1 April 2020, MEES has applied to all private tenancies, not just new ones — meaning a landlord who continued to let a sub-MEES property after that date was in breach regardless of when the tenancy started. The retrospective application caught many landlords who had previously let pre-2018 tenancies of sub-standard properties without challenge; the 2020 extension forced them to either improve the property or stop letting it.

The MEES Regulations are central to the Welsh and English government policy direction on housing energy performance. The current Band E minimum is a baseline; the confirmed Band C target (all tenancies by 1 October 2030, per the January 2026 government response — not yet legislated) represents a significant tightening that will require many landlords to invest substantially in their properties or exit the market. Capital expenditure decisions in the private rented sector through the late 2020s will be shaped by the MEES timetable more than by any other single regulatory factor.

The current standard — Band E

Regulation 23 makes it unlawful to grant a tenancy, or continue an existing tenancy, of a property with an EPC band below E. The Band E threshold corresponds to a numerical score of 39 or higher on the EPC rating scale. Properties at Band F (21-38) or Band G (1-20) cannot be lawfully let unless an exemption applies and is registered.

The current population of properties below Band E is concentrated in:

Rural properties without mains gas, relying on oil, LPG, or solid fuel heating.
Solid-walled properties (typically pre-1920) without insulation.
Older flats in poorly insulated converted buildings.
Properties with single glazing and outdated heating systems.

In practice, the Band E threshold catches a relatively small proportion of the private rented stock. Most properties built after 1980 reach Band D or above without difficulty. Older stock — Victorian terraces, period conversions, rural cottages without mains gas — are more variable, but most of the very poorest stock has either been improved or sold to owner-occupiers since the regime began.

A property in any of these categories needs assessment before any new tenancy is granted. A landlord acquiring such a property without a current EPC and a clear improvement plan is acquiring a non-lettable asset.

The rising-to-C agenda

The ambition to raise private rented homes to Band C dates from the October 2017 Clean Growth Strategy. The government's September 2020 consultation then proposed a phased implementation:

Band C for new tenancies from 2025.
Band C for all tenancies by 2028.

That timetable proved unachievable and was repeatedly revised. The position was settled by the government response to the "Improving the energy performance of privately rented homes" consultation, published on 21 January 2026:

A single compliance date of 1 October 2030 for all tenancies in scope — the earlier proposal of 2028 for new tenancies was dropped; there will be no earlier date for new tenancies.
The higher standard will be set against the new, reformed EPC metrics (a primary fabric performance standard, then a secondary standard against either the smart readiness or heating system metric, at the landlord's choice) — not simply the current A–G Energy Efficiency Rating.
Early action is recognised: a private rented home that scores C or higher on the Energy Efficiency Rating of an EPC issued before 1 October 2029 is treated as compliant with the higher standard until that EPC expires or is replaced.
The changes are not yet law. They require new powers in primary legislation and a statutory instrument amending the 2015 Regulations, which the government aims to bring into force in 2027. Until then, Band E remains the operative legal minimum.

Treat 1 October 2030 as the firm planning horizon: the confirmed policy should be the working assumption for landlord capital expenditure, while remembering that today's legal duty is still Band E.

Beyond Band C, longer-term policy direction points toward Band B by the mid-2030s, though no formal commitment has been made. Landlords planning capital expenditure today should aim for Band B where the cost is reasonable and certainly Band C as a minimum.

What "Band C" means in practice

The numerical ranges:

Band A: 92-100+
Band B: 81-91
Band C: 69-80
Band D: 55-68
Band E: 39-54
Band F: 21-38
Band G: 1-20

These are the ranges on the current Energy Efficiency Rating metric. Under the confirmed 2030 policy the new standard will be measured against reformed EPC metrics, but the current scale still matters directly: an EPC showing C or above on this rating, issued before 1 October 2029, is treated as compliant until it expires or is replaced. A property currently at Band D (say, a score of 60) needs to reach 69 to achieve Band C — an improvement of 9 points. A property currently at Band E (say, a score of 50) needs an improvement of 19 points. The cost of making the necessary improvements depends on the property's starting position and the works available:

Loft insulation (top up to 270mm): 5-10 points typical impact, £400-£1,000.
Cavity wall insulation: 10-15 points, £1,000-£2,500.
Boiler upgrade (modern condensing): 5-10 points, £2,000-£5,000.
Double or triple glazing: 5-15 points, £5,000-£15,000.
Solid wall insulation (internal): 15-25 points, £8,000-£20,000.
Solid wall insulation (external): 15-30 points, £15,000-£40,000.
Solar PV installation: 10-20 points, £5,000-£10,000.
Air source heat pump: 5-15 points (highly variable), £8,000-£15,000.

Combinations vary substantially by property. A typical 1930s semi-detached house at Band E might reach Band C with cavity wall insulation, loft insulation top-up, a new boiler, and improved glazing — total cost £8,000-£15,000. A 1960s solid-wall property at Band F faces a much more substantial challenge — typically £20,000-£40,000 of works including external or internal wall insulation that may compromise the property's appearance or floorspace.

Exemptions

Six exemptions allow a sub-MEES property to be let lawfully. Each must be registered on the PRS Exemptions Register before it can be relied on; unregistered exemptions are invalid.

1. All relevant improvements made

The most common exemption. Where the EPC recommendations require improvements totalling more than the cost cap, the landlord must do the improvements that fit within the cap and can then register an exemption for the rest. The cost cap is currently £3,500 (including VAT). Under the confirmed 2030 policy (January 2026 government response — not yet law) the cap will rise to £10,000 per property, with spending on relevant improvements from 1 October 2025 onwards counting toward it, and a new "property value adjustment" exemption capping required spend at 10% of the property's value for homes valued below £100,000. The government's own impact assessment estimates the average actual spend at around £5,400 per property.

To register the exemption, the landlord must provide:

Evidence that the property is below the minimum standard.
Details of the improvements identified by the EPC and any other reasonable works.
Evidence of the cost of those works (typically three quotes).
Evidence that all improvements within the cost cap have been carried out.

2. Wall insulation exemption

Where solid wall insulation is the only available improvement that would raise the property above the minimum band, but a qualified expert (architect, surveyor, or specialist insulation contractor) confirms that the insulation would damage the property or its surroundings, an exemption is available. The expert opinion must be in writing and registered with the exemption.

In practice this exemption applies to:

Listed buildings where insulation would alter character.
Properties in conservation areas with similar character concerns.
Properties where insulation would create damp or condensation problems demonstrably.
Properties where the structural condition would be affected.

3. Third-party consent exemption

Where the necessary improvements require consent from a third party — typically a freeholder, a planning authority, a tenant, a mortgage lender, or a superior leaseholder — and that consent has been refused or made conditional on terms the landlord cannot reasonably accept, an exemption is available.

4. Devaluation exemption

Where a chartered surveyor reports in writing that the necessary improvements would reduce the property's market value by more than 5%, an exemption is available.

5. New landlord exemption

A landlord who has only recently acquired a property has 6 months to register an exemption while they bring the property up to standard. This is a temporary protection rather than a permanent exemption — at the end of the 6 months, the property must comply with MEES or have a separate exemption registered.

6. Sitting tenant exemption (transitional)

Where the tenancy was already in place when MEES first applied to the property type, a transitional exemption was available in some circumstances. This exemption is now largely historic — the post-2020 application of MEES to all tenancies has narrowed its scope substantially.

Penalties for breach

Local authorities enforce MEES through civil penalties:

Letting a sub-standard property for less than 3 months: up to £2,000 per breach.
Letting a sub-standard property for 3+ months: up to £4,000 per breach.
Failing to comply with a compliance notice: up to £2,000.
Providing false or misleading information: up to £1,000.
Maximum penalty per property in a single round under the current scheme: £5,000.

Under the current 2015 Regulations, £5,000 per property is the maximum total penalty. The January 2026 government response confirms that the maximum will rise to £30,000 per property per breach when the reformed standard takes effect — but that higher figure requires new primary legislation and is not available to local authorities today; any guide quoting £30,000 as the current MEES penalty is describing the proposal, not the law. The publicly-accessible PRS Exemptions Register also names landlords with persistent compliance failures, which produces reputational consequences in addition to financial ones.

Practical landlord planning

A landlord with one or more properties at risk of falling below Band C in the coming years should:

1. Get a current EPC for every property. Without an EPC, the band cannot be known; without knowing the band, planning is impossible.

2. Identify the gap to Band C. For each property, what is the current band and what is the gap to 69 points? The EPC recommendations typically identify the works available.

3. Cost the works. Three quotes from contractors with PRS experience. Reasonable estimate of the works needed and timing.

4. Decide on the strategy. Three broad options for each property:

Improve to compliance. Where the cost is reasonable relative to the property value and rental income, do the works. Most properties at Band D-E can reach Band C for £5,000-£15,000.
Register an exemption. Where the works fall outside the cost cap, register an "all relevant improvements" exemption.
Sell. Where the cost of improvement is uneconomic, the property may be a candidate for sale to an owner-occupier (who is not subject to MEES) or to another investor with a different cost calculation.

5. Plan the timing. Improvements during voids cause less disruption and are typically cheaper than improvements with tenants in occupation. Programme works around tenancy ends where possible.

6. Update EPCs after improvements. The new EPC reflecting the improvements must be commissioned and registered before the property can be relied on for MEES compliance at the new band.