- All private rentals in England, new and existing tenancies, must reach EPC C by 1 October 2030. Today's minimum is E.
- Required spending is capped at £10,000 per property, and money spent since 1 October 2025 counts towards it.
- EPCs are being reformed: fabric performance (insulation, glazing, airtightness) becomes the main measure, not running costs.
- A C rating achieved under the current system before 1 October 2029 stays valid until that certificate expires or is replaced.
Energy rules for landlords have been promised, delayed and redrafted for years. In January 2026, alongside its Warm Homes Plan, the government finally set out a firm position. The minimum standard for privately rented homes in England rises from band E to band C, with one date for everyone: 1 October 2030.
The headline rules
- Target: EPC band C for every private rental in England.
- Deadline: 1 October 2030, for new and existing tenancies alike. There is no gentler date for tenancies already in place.
- Cost cap: landlords will not be required to spend more than £10,000 per property (over a ten-year period). Qualifying work done from 1 October 2025 counts towards the cap.
- Lower-value homes: for properties worth under £100,000, the maximum required spend is 10% of the property's value.
- Reviews: the cap will be reviewed every five years from 2030.
The EPC itself is changing
Today's EPC rating is largely driven by modelled running costs. The reformed EPC puts fabric performance first: how well the building itself keeps heat in, through insulation, glazing and airtightness. Landlords will then meet a second measure of their choice, based either on the heating system or on the home's smart readiness.
This matters for planning. Measures that simply make heating cheaper may count for less than they did, while insulation work counts for more. There is also a useful transition rule: a property that achieves C under the current system before 1 October 2029 is treated as compliant until that certificate expires or is replaced. A property sitting on a D today has a window to lock in a C on the current methodology.
Exemptions you can rely on
- Cost cap reached: if you have spent the capped amount and still cannot reach C, you can register an exemption.
- Third-party consent: where a freeholder, planning authority or other party refuses permission for a measure.
- Negative impact: where evidence shows a specific measure would damage the property.
- Solid wall insulation: landlords can choose not to install it.
- Heating upgrades are not compulsory. You will not be forced to replace a working boiler with a heat pump to comply.
Short-term lets fall outside these minimum standards, though they still need an EPC.
Why London is different
A large share of London's rental stock is Victorian and Edwardian terraced housing with solid walls, alongside leasehold flats in converted houses and mansion blocks. Two consequences follow. Solid walls make the most effective insulation measure expensive and disruptive, which is why the solid-wall exemption matters. And leasehold flats often need the freeholder's consent for anything touching the structure, roof or windows, which is where the third-party consent exemption comes in.
The flip side is that many London flats are already sitting on C or close to it, because they share walls with neighbours. The landlords with most to do tend to own houses: end terraces, older semis and anything with original windows and an unconverted loft.
A sensible plan, from now to 2030
- Know your starting point. Pull the current EPC for every property and note the rating, the expiry date and the recommendations listed on page two.
- Do the cheap wins first. Loft insulation top-ups, LED lighting, heating controls, hot water cylinder jackets and draught-proofing are low cost and quick, and are often enough to move a high D to a C.
- Time bigger works against voids. Windows, floor insulation or a new heating system are far easier between tenancies. Plan them into the tenancy calendar rather than doing them around a sitting tenant. Our guide to voids explains why that sequencing matters.
- Keep every invoice. Spending since October 2025 counts towards the £10,000 cap, but only if you can prove it.
- Consider re-assessing before October 2029. If works have lifted a property to C, a fresh EPC under the current system can lock that in.
What it means for rent and value
Energy performance is no longer only a compliance box. Tenants increasingly compare bills as well as rents, and corporate and local-authority clients often have their own minimum standards. A well-insulated property lets faster and holds its tenants longer, and both of those show up in the real return.
Every Morgan Prescott appraisal includes a look at the current EPC and the likely route to C, so you can see the cost and timing alongside the rent before you decide anything.
Based on the government's published plans for private rented sector minimum energy efficiency standards. Detailed regulations may refine these points, so check GOV.UK before committing to works. This article is general information, not legal or technical advice.