EPC regulations for landlords: what the new rules mean for you

If you're a landlord in England or Wales, the rules around energy efficiency are changing. The government has confirmed that all private rented properties must reach EPC Band C by 1 October 2030, with fines of up to £30,000 for those who don't comply.

This guide covers everything you need to know: what the new rules require, the key deadlines, how the cost cap works, what exemptions are available, and the practical steps you can take now to get ahead.

What is an EPC and why is it important for landlords?

An Energy Performance Certificate (EPC) rates a property's energy efficiency on a scale from A (most efficient) to G (least efficient). As a landlord, you're legally required to have a valid EPC in place before you can market a property to let, and the certificate remains valid for 10 years.

Beyond the legal requirement, an EPC gives prospective tenants a clear picture of likely energy costs, which increasingly influences their decisions. Properties with better ratings tend to attract more interest and can command stronger rents.

It's also worth knowing that the EPC system itself is being overhauled. The current Energy Efficiency Rating (EER) methodology is being replaced by the Home Energy Model (HEM), which uses a broader set of metrics to assess a property:

• Fabric performance (insulation, windows, heat retention)
• Heating system efficiency
• Smart readiness (solar panels, batteries, smart controls)
• Energy cost

HEM-based EPCs are expected to launch in late 2026 and will become compulsory from 1 October 2029. This matters for planning purposes: achieving Band C under the current system before that date still counts, but any assessment after October 2029 will use the new methodology.

For a full overview of your obligations as a landlord, visit our landlord guides.

Current legal requirements (the 'EPC Band E' rule)

Minimum Band E is required

Since 1 April 2020, all privately rented properties in England and Wales have been required to hold a minimum EPC rating of Band E. Letting a property with an F or G rating is unlawful unless a valid exemption has been registered. Band E remains the legal minimum until the new Band C standard comes into force on 1 October 2030.

Fines for non-compliance (current)

Enforcement sits with local authorities under the Minimum Energy Efficiency Standards (MEES) regulations. Landlords found to be in breach can currently face fines of up to £5,000 per property.

The current £3,500 cost cap

Under the existing rules, landlords are only required to spend up to £3,500 (including VAT) to bring a property up to Band E. If the rating cannot be reached within that amount, a 'high-cost' exemption can be registered.

How to register an exemption

All exemptions must be lodged on the official PRS Exemptions Register with supporting evidence. Exemptions last for five years, after which landlords must reassess whether improvements are now feasible.

For more detail on your responsibilities as a landlord, including exemption requirements, read our landlord responsibilities guide.

What happened to the 2025/2028 deadlines?

There's been a lot of confusion around EPC deadlines over the past few years, so it's worth clearing up the timeline.

Back in 2020, the government proposed requiring Band C for new tenancies by 2025 and all tenancies by 2028. Those targets were scrapped in September 2023, leaving many landlords uncertain about what, if anything, would replace them.

In February 2025, a government consultation proposed a revised timeline, and on 21 January 2026, the position was finally confirmed through the Warm Homes Plan. All private rented properties in England and Wales must reach EPC Band C by a single compliance date of 1 October 2030, covering both new and existing tenancies. An earlier proposal to split the deadline (2028 for new tenancies, 2030 for existing ones) was dropped in favour of this unified approach.

The confirmed new rules: EPC Band C by 1 October 2030

What has been confirmed?

All private rented properties in England and Wales must meet EPC Band C, or the equivalent standard under the new Home Energy Model, by 1 October 2030. The deadline applies to both new and existing tenancies, and the previously proposed split timeline has been dropped.

The new cost cap: £10,000

The maximum landlords are required to spend to reach Band C is £10,000 per property. This is reduced from the £15,000 figure that was consulted on, and a significant increase from the current £3,500 cap.

A few important details:

• For properties valued below £100,000, the cap is 10% of the property's value rather than the flat £10,000
• All qualifying spending from 1 October 2025 counts towards the cap, so improvements made now are already on the clock
• The cost of EPCs and specialist retrofit advice also counts towards the cap
• The cap will be reviewed every five years, but no review will take place before 1 October 2030

Exemptions and grace periods

The exemptions framework has been updated alongside the new rules:

• If £10,000 has been spent and Band C still cannot be reached, a cost cap exemption applies and lasts 10 years (up from five under the current rules)
• A new "negative impacts" exemption covers heritage and listed buildings where works would cause damage
• Existing exemption categories, including consent and devaluation, will be updated in the final regulations
• Properties that achieve EPC Band C before 1 October 2029 under the current EER system will be treated as compliant until that EPC expires
• Properties without Band C by 1 October 2029 must be assessed under the new HEM methodology
• Short-term lets are exempt from the 2030 requirement

The new EPC metrics: a 'fabric first' approach

The new standard introduces a dual-metric system under HEM. Rather than a single score, landlords will need to satisfy two conditions:

• Fabric Performance Metric: covers insulation, windows, and heat retention. This element is non-negotiable.
• Heating System Metric or Smart Readiness Metric: landlords can choose which of these to meet, offering more flexibility in how they comply.

This means you won't necessarily be forced to replace a heating system if installing solar panels, batteries, or smart controls is a more practical route to compliance.

Increased fines for non-compliance

From 2030, the maximum fine rises to £30,000 per property, per breach, up from the current £5,000.

Legislative timeline

• October 2025: Qualifying spending starts counting towards the £10,000 cap
• Late 2026: HEM-based EPCs launch
• 2027: Legislation comes into force
• 1 October 2029: HEM becomes compulsory for all EPCs
• 1 October 2030: All tenancies must comply with Band C standard

Cost savings from energy efficiency

Upgrading a property's energy efficiency isn't just about meeting a legal requirement. For landlords, there's a genuine commercial case for acting sooner rather than later.

Tenants in more energy-efficient homes benefit from lower energy bills, which is becoming an increasingly important factor in rental decisions. As energy costs remain a concern for many households, properties with strong EPC ratings are likely to attract more interest and let more quickly, reducing void periods.

There's also a reasonable case that well-upgraded properties can support higher rental values. A home that demonstrably costs less to run is a more attractive proposition, and that tends to be reflected in what tenants are willing to pay.

Beyond the letting market itself, properties that already meet Band C will be in a stronger position as the 2030 deadline approaches. As compliance becomes the norm, those that fall short may find it harder to compete for quality tenants.

Financial impacts for landlords

Upgrade costs

The average spend to bring a property up to Band C is estimated at around £5,400, though the realistic range is £5,000 to £10,000 depending on the property's type, age, and current condition. Older properties and those with solid walls typically sit at the higher end.

It's worth remembering that all qualifying spending from 1 October 2025 counts towards the £10,000 cap, so any improvements you've already made or are planning in the near term are working towards your total. Keeping receipts and invoices from the outset is essential.

For a broader overview of what landlords typically spend on maintaining and managing a property, visit our landlord costs guide.

Potential fines

The financial risk of non-compliance is substantial and increasing:

• Current rules (Band E): fines of up to £5,000 per property
• From 1 October 2030 (Band C): fines of up to £30,000 per property, per breach

Steps landlords can take now

Step 1: check your current EPC rating

The starting point is knowing where your property stands. You can check the current rating for any property in England and Wales using the government's EPC Register. If your certificate is approaching the end of its 10-year validity, or if you've made improvements since the last assessment, it may already be worth booking a reassessment.

Step 2: get expert help

Understanding what work is needed, and in what order, makes a significant difference to both cost and outcome. Hamptons can assess your property's current performance and advise on the most effective route to compliance. Get in touch to find out more about how we can help.

Find out about our property management service

Step 3: book an EPC reassessment

If you've already made improvements since your last EPC was issued, a reassessment could update your rating and reflect the work you've done. Importantly, achieving Band C before 1 October 2029 under the current EER system means your property will be treated as compliant until that EPC expires, potentially buying you several years beyond the 2030 deadline.

Step 4: prioritise low-cost, high-impact upgrades

A fabric-first approach is the most cost-effective route for most properties. The following improvements typically offer strong rating gains relative to their cost:

• Loft insulation top-up to 270mm: can improve a rating by 10 to 15 points
• Cavity wall insulation: typically £800 to £4,600 depending on property size, with a 5 to 10 point improvement
• Draught-proofing: low cost, immediate impact on heat retention
• LED lighting: simple swap, modest but measurable improvement
• Hot water cylinder jacket: low cost, 1.5 to 2 point improvement

Remember, all spending from 1 October 2025 counts towards your £10,000 cap.

Step 5: plan for major upgrades

For properties that need more substantial work, the key is planning ahead and spreading costs over time before the 2030 deadline. Major upgrades to consider include:

• Double glazing
• External or internal wall insulation
• Low-carbon heating systems

Keep all receipts and invoices as you go. These will serve as evidence when demonstrating spend against the cost cap.

Available grants and funding for EPC upgrades

Boiler Upgrade Scheme (BUS)

The Boiler Upgrade Scheme provides upfront grants to help cover the cost of installing low-carbon heating systems. Current grant levels are:

• Air source heat pump: £7,500
• Ground source heat pump: £7,500
• Biomass boiler: £5,000 (rural properties only)
• Air-to-air heat pump: £2,500 (available from November 2025)
• Heat battery: £2,500 (available from November 2025)

The scheme has been extended to at least 2030. Your installer applies for the grant on your behalf and deducts it from the upfront cost, so there's no need to claim it separately.

Great British Insulation Scheme (GBIS)

The Great British Insulation Scheme supports landlords with the cost of loft and cavity wall insulation. Eligibility is based on a combination of Council Tax band, EPC rating, and tenant circumstances, so it's worth checking whether your properties qualify.

Warm Homes Plan: future finance options

The government's Warm Homes Plan includes a £15 billion investment package with further support for landlords in the pipeline:

• Free upgrades for low-income households
• Zero or low-interest loans for solar installations
• A Call for Evidence in early 2026 to explore further landlord support
• More detail on loan access expected later in 2026

Energy Company Obligation (ECO)

The Energy Company Obligation provides additional support for the least energy-efficient homes. Eligibility criteria apply, so it's worth checking whether your properties qualify before ruling it out as an option.

Conclusion

The rules are confirmed. All private rented properties in England and Wales must reach EPC Band C by 1 October 2030, with fines of up to £30,000 for non-compliance. The £10,000 cost cap limits what you're required to spend, and qualifying improvements from 1 October 2025 already count towards it.

Acting sooner rather than later makes financial sense. Achieving Band C before 1 October 2029 could secure up to 10 years of compliance, and grants through the Boiler Upgrade Scheme and Great British Insulation Scheme are available to help with costs.

Hamptons can help you understand where your properties stand and what needs to be done. Find your nearest branch to get started.

This guide was accurate at the time of writing in March 2026.