New EPC C deadlines are coming for private landlords by 2030, with an earlier cutoff for new tenancies in 2028. Here's what the rules actually require, and what they could mean for your rent.
If you've rented in England for a while, you've probably seen an Energy Performance Certificate (EPC) attached to a listing and skimmed past the letter grade without thinking much of it. That's about to change. A new set of deadlines means EPC ratings will directly affect which homes can legally be rented out, and potentially how much they cost to run and to rent.
The government has confirmed that private landlords in England and Wales must ensure their properties meet at least an EPC C rating by 1 October 2030, for every tenancy, unless they qualify for an exemption. There's an earlier checkpoint too: from 1 April 2028, any new tenancy that starts must already be in a property rated EPC C or above. Existing tenancies get slightly longer, up to the 2030 deadline, before the requirement applies to them as well.
If your current home already has an EPC C rating or better, nothing changes for you, and if that rating was issued before the 2030 deadline, it typically stays valid (EPC certificates generally last 10 years) for the rest of its term.
Landlords who don't bring a property up to standard, and don't have a valid exemption, will not be able to continue letting it once the deadline applies. Local authorities can issue fines of up to £30,000 per property, per breach, which is a serious enough number to change how landlords think about older, less efficient stock.
There is a cost cap built in to stop landlords being expected to spend without limit: the maximum a landlord can be required to spend on upgrades before qualifying for an exemption is £10,000, reduced from an earlier proposal, or 10 per cent of the property's value for homes worth less than £100,000, whichever is lower.
Separately from the compliance deadline, the EPC system is being overhauled. From 1 October 2029, EPCs will move away from the current single energy-use-based rating toward four separate headline metrics: fabric performance (how well the building actually retains heat), heating system performance (how efficient and low-carbon the heating is), smart readiness (whether the building can support smart energy technology), and an estimated annual energy cost shown in pounds rather than an abstract score. The idea is to give renters a clearer, more honest picture of what a property will actually cost to heat, rather than a letter grade that can be influenced by having the right (but expensive) system installed.
There are two plausible outcomes here, and both are already playing out to some extent.
The optimistic version: upgraded insulation, better heating systems, and smarter EPC information mean genuinely warmer, cheaper-to-run homes, and better information at the point of choosing a property so you're not surprised by a huge winter energy bill in a home that looked fine on paper.
The less optimistic version, and one worth watching closely if you're currently renting an older or poorly insulated property: landlords facing a real spending requirement, even with the £10,000 cap, may choose to sell rather than upgrade, particularly where a property would need extensive work to reach a C rating. That's already a factor cited alongside the Renters' Rights Act in landlord surveys showing rising numbers planning to exit the market, and reduced rental supply tends to push rents up for everyone else competing for what's left. There's also a live debate about whether the cost of upgrades will simply be passed on to tenants through higher rents once a property is upgraded and re-let, even though the government has said EPC compliance shouldn't be treated as automatic justification for a rent rise.
Check the current EPC rating of any property before you sign, it's a legal requirement for it to be provided, and available for free on the government's EPC register. If you're in a property with a low rating (D or below), it's worth asking your landlord whether they have improvement plans ahead of the 2030 deadline, since that will affect both your comfort and your bills in the meantime. And if you're comparing two similar properties, the fabric and estimated energy cost figures coming in the reformed EPCs from 2029 onward will be a genuinely more useful comparison than the current rating alone.
Sources: Simply Business: new energy efficiency rules for landlords, Goodlord: new EPC regulations 2026, The Independent Landlord: new EPC rules, EPC C by 2030, Property118: EPC C targets and rent claims