If you’ve read three articles about the 2030 EPC rules and come away with three different deadlines, three different cost caps, and no idea whether any of it is actually law yet, you’re not alone. The rules genuinely have changed more than once, and there’s a second, quieter change happening to how EPCs are calculated that most coverage skips entirely. It can be really frustrating for people trying to find the facts. Here’s where things stand:
At a glance
- Today: private rentals need EPC E or higher, cost cap £3,500, max penalty £5,000 per breach.
- Proposed for 2030: EPC C or higher by 1 October 2030, cost cap £10,000 (less on lower-value properties), max penalty £30,000 per breach.
- Not yet law: the government still needs an Act of Parliament to bring this in, expected around 2027.
- The twist: how EPCs are calculated is also changing (the Home Energy Model), and a C secured under today’s rules before October 2029 could lock in compliance for years, even after the calculation changes make C harder to reach.
Figures for the 2030 proposal confirmed in the GOV.UK government response, January 2026.
Where things actually stand today
Since April 2018, private rented homes in England and Wales have needed a minimum EPC rating of E before they can be let. The cost cap for getting there is £3,500: if reaching an E genuinely can’t be done within that budget, a landlord can register an exemption, provided it’s the right kind (works already done, third-party consent refused, a lender or listing restriction, or a genuine devaluation risk to the property). The exemption has to be registered on the PRS (Private Rented Section) Exemptions Register; an unregistered exemption doesn’t count as one.
Get this wrong, and the current maximum penalty is £5,000 per property per breach, plus the council can publish the breach on the public exemptions register for at least 12 months, visible to prospective tenants and lenders alike.
What’s being proposed for 2030?
The headline change is a jump from EPC E to EPC C, with a single deadline of 1 October 2030 for every private rental, new tenancy or sitting tenant alike (confirmed in the GOV.UK government response). That’s actually a simplification: earlier versions of this policy had separate 2028 and 2030 deadlines depending on tenancy type, which is where a lot of the “is it 2028 or 2030” confusion online comes from. That split has been dropped.
The cost cap is rising to £10,000, though it tapers down for lower-value properties: below £100,000, the cap drops to 10% of the property’s value instead (an £80,000 property would have an £8,000 cap, for example), a detail the government’s response document calls the Property Value Adjustment exemption. Penalties are rising too, up to £30,000 per property per breach, a six-fold increase on today’s ceiling, also confirmed in that same response.
The one thing worth being genuinely clear-eyed about: none of this is law yet. The government’s own response states it will “seek new powers by Act of Parliament” to enable and enforce these changes, with that legislation expected in 2027 ahead of the October 2030 compliance date. It’s the settled policy direction, not a rule you can be fined under today.
The quieter change: EPCs themselves are being redesigned.
This is the part most “2030 deadline” articles miss entirely. The calculation method behind every EPC (currently based on SAP/RdSAP) is being replaced by something called the Home Energy Model, or HEM. It was originally due to launch in October 2026; that’s now been pushed to the second half of 2027, with a transition period running to at least the end of 2029, during which new certificates will show both the old and new ratings side by side.
The practical difference is that HEM breaks a rating into four separate measures: a fabric score (insulation and windows, which is mandatory) and covered in more detail in our home insulation guide, a heating system score, a smart-readiness score, and an estimated energy cost. Under the proposed rules, a landlord has to hit the fabric bar and then can choose to be judged on either the heating system or smart-readiness metric. The catch: a property still relying purely on fossil fuel heating is expected to struggle to reach a C on the heating system metric alone under the new methodology, even if the same property would comfortably reach a C under today’s calculation.
Why the timing matters
Here’s the actionable part that tends to get buried: a property that secures a C rating under today’s methodology before 1 October 2029 keeps that compliance status until the certificate itself expires (EPCs are valid for 10 years), even after the new HEM-based system takes over. In other words, reaching C now, while it’s still being measured the old way, can lock in years of headroom that might be genuinely harder to achieve once the new heating-system metric is in force.
That makes the calculus different for every landlord depending on where their properties currently sit. A property close to a C already might be worth pushing over the line now, under the current, more forgiving calculation, rather than waiting and potentially facing a tougher bar later.
What this means practically, right now
Nothing here requires immediate action under current law; EPC E remains the legal minimum today, and the 2030 rules aren’t enacted. But it’s worth knowing where you stand: Check your current EPC rating and its expiry date, get a realistic sense of the cost to reach C on each property (our insulation costs and grants guide is a good starting point, since insulation is usually the biggest single lever), and think about whether it makes more sense to act while the old calculation method is still in use rather than wait for HEM’s transition. If a heat pump is part of that plan, it’s worth knowing the Boiler Upgrade Scheme fully applies to rental properties, with its £7,500 grant covering a large share of the £10,000 cost cap. Before committing to a budget either way, though, our heat pump vs insulation comparison breaks down which measures actually give the best value for money.
FAQs
Is EPC C definitely happening by 2030?
It’s the government’s stated intention and the direction of travel, but it isn’t law yet. The legislation is still going through Parliament.
What if I can’t afford the work within the cost cap?
The proposed rules include an exemption route for genuine cases, similar to today’s system, though the exact exemption categories for the 2030 rules haven’t been finalised.
Does this apply to HMOs and holiday lets?
The core proposals are aimed at standard private rentals; HMOs generally follow the same MEES framework as other rentals, but always check current guidance for your specific property type, since the detail can differ.
Will my current EPC C rating still count after the calculation changes?
Yes, if it was issued before 1 October 2029, it remains valid (and compliant) for its full certificate life, even once HEM takes over.
Should I get a new EPC now?
If your current one is close to expiring, or you’re near the C threshold, it’s worth checking the numbers now rather than waiting, given the calculation method is set to make C harder for gas-heated homes to reach.
Final thoughts
The 2030 EPC rules aren’t complicated once you separate what’s confirmed from what’s still proposed, and once you realise the deadline itself isn’t the only thing moving: the yardstick is changing too. For landlords with a property sitting near the C threshold, the honest read is that acting sooner, while the current calculation still applies, is likely to be the easier and cheaper path.