Energy Efficiency and Rent Increases: How Your Property's EPC Rating Matters

When your landlord proposes a rent increase, the conversation usually centres on one question: is the new figure fair for the area? But there is another factor that many renters overlook, and it can make a real difference to your case. Your property's energy efficiency rating -- its EPC -- affects not just your energy bills but potentially the rent you should be paying.

If your home has a poor EPC rating, you may have genuine grounds to argue that the proposed rent does not reflect the property's true value. Here is how it works.

---

What is an EPC rating?

An Energy Performance Certificate (EPC) rates how energy-efficient a property is, on a scale from A (the best) to G (the worst). Every property that is sold or rented in England must have a valid EPC, which lasts for ten years.

The certificate includes:

• A current energy efficiency rating
• A potential rating (what the property could achieve with improvements)
• Estimated energy costs per year
• Recommendations for improving the rating

For renters, the EPC matters because it directly affects how much you spend on heating, lighting, and hot water. A property rated E, F, or G can cost hundreds of pounds more per year in energy bills compared to one rated C or above.

---

MEES regulations: the legal minimum standard

The Minimum Energy Efficiency Standards (MEES) regulations set a legal floor for energy efficiency in rented properties in England and Wales. Since 1 April 2020, it has been unlawful for a landlord to let a property with an EPC rating below E -- that is, any property rated F or G.

This applies to all private rented properties, not just new tenancies. If your home currently has an EPC rating of F or G and your landlord has not registered a valid exemption with the PRS Exemptions Register, they may be breaking the law.

Exemptions do exist. A landlord can register an exemption if they can show that all cost-effective improvements have been made and the rating still falls below E, or if the required improvements would reduce the property's value by more than five per cent. But the exemption must be formally registered -- simply claiming one is not enough.

What this means for you: If your landlord is proposing a rent increase on a property that does not meet the minimum EPC standard, and no exemption is in place, they are asking you to pay more for a property they should not legally be letting at all. This is significant leverage.

---

Energy costs as hidden rent

Rent is not the only cost of living in a property. Energy bills are a substantial part of your monthly outgoings, and a poorly insulated, draughty home with an old boiler can easily cost you an extra £50 to £100 per month compared to a well-insulated equivalent.

When you think about what makes a fair rent increase, it is worth considering the total cost of occupying the property -- not just the headline rent. A landlord proposing a rent increase to match "market rates" in the area may not be comparing like for like if similar properties at the same price point are significantly more energy-efficient.

This is a legitimate point to raise in negotiation. If your landlord wants market-rate rent, the property should offer market-standard comfort and efficiency.

---

How the tribunal considers property condition

When you challenge a rent increase at the First-tier Tribunal, the panel determines what a reasonable market rent would be for your property. They do this by looking at comparable properties in the area and considering the specific characteristics of your home.

Property condition is a key factor. The tribunal takes into account:

• The general state of repair
• The quality of fixtures and fittings
• The size and layout of the property
• The location and local amenities
• And, importantly, the overall condition -- which includes energy efficiency

A property with single glazing, poor insulation, an outdated heating system, and a low EPC rating is not equivalent to a comparable property nearby that has double glazing, cavity wall insulation, and a modern boiler. The tribunal recognises this.

While there is no specific rule that says "deduct X amount for a poor EPC," the rating provides objective, third-party evidence of the property's condition. It is harder for a landlord to argue their property deserves top-of-market rent when the government's own assessment says it performs poorly.

---

How to use EPC evidence in a rent challenge

If you are preparing to challenge a rent increase -- whether through negotiation or at tribunal -- here is how to use energy efficiency in your case.

1. Check your property's EPC rating. Search for your address on the government's EPC register at epcregister.com. Note the current rating, the potential rating, and the estimated annual energy costs.

2. Check comparable properties. When you find comparable rental listings in your area (on Rightmove, Zoopla, or OpenRent), look at their EPC ratings too. If similar properties at the proposed rent level have significantly better ratings, that supports your argument.

3. Check MEES compliance. If your property is rated F or G, check the PRS Exemptions Register to see whether your landlord has registered a valid exemption. If they have not, they may be in breach of the regulations.

4. Calculate the energy cost difference. Use the estimated annual energy costs from the EPC to show the real cost gap between your property and better-rated comparables. If your annual energy costs are £500 higher than a comparable property, that is a meaningful difference.

5. Include it in your evidence. Whether you are writing a rent negotiation letter to your landlord or preparing evidence for the tribunal, include the EPC as part of your documentation. It is an official, government-issued assessment -- not just your opinion.

---

The Renters' Rights Act and property standards

The Renters' Rights Act 2025, taking effect from 1 May 2026, introduces broader protections around property standards. While the Act's headline changes relate to Section 21 abolition and tribunal reform, it also strengthens the expectation that rented properties should meet decent standards.

The government has signalled its intention to apply the Decent Homes Standard to the private rented sector, setting minimum requirements for repair, thermal comfort, and modern facilities. While details are still being finalised, the direction is clear: landlords will increasingly be expected to maintain properties to a reasonable standard, including energy efficiency.

---

What to do if your landlord is not MEES-compliant

If your property has an EPC rating of F or G and your landlord has not registered an exemption, you can:

• Raise it with your landlord directly. Many landlords are genuinely unaware of the MEES regulations or have not checked their property's rating recently. A polite conversation or letter pointing out the issue may prompt them to make improvements.
• Report it to your local council. Trading standards or the private rented sector enforcement team at your local authority can investigate MEES breaches. Landlords can face fines of up to £5,000 for non-compliance.
• Use it in rent negotiations. A landlord who is not meeting the legal minimum standard for energy efficiency is in a weak position to demand a rent increase. This is a reasonable and factual point to make.

---

Next steps

If you have received a rent increase notice and your property has a poor EPC rating, that is worth investigating further. Check your rating, compare it with similar properties in the area, and consider whether it should form part of your challenge.

RentSOS can help you check whether your rent increase is fair and identify grounds to challenge it. Check your rent increase now.