Sustainable energy for landlords: How to future-proof rental properties

Sustainable energy for landlords is no longer a niche concern. As energy costs, EPC standards, and tenant expectations continue to influence the rental market, more landlords are looking for practical ways to cut running costs and prepare their properties for the future.

In some rental homes, solar panels may be the most sensible first step. In others, the better option could be battery storage, low-carbon heating, EV charging, or a broader plan to improve energy performance over time.

No single upgrade works for every rental property. A bill-inclusive HMO, for example, is likely to need a different setup than a single-let flat where tenants manage their own bills.

That’s why this guide explores sustainable energy options for landlords, along with the practical factors to consider before investing in upgrades.

Why landlords are paying more attention to energy performance

A rental property’s energy performance can influence how attractive it feels before a tenant even books a viewing. While EPC ratings still matter, tenants are often looking beyond the certificate itself. They want to know what the home is likely to cost to run, how easy it is to heat, and how much control they have over their bills.

Those same factors matter commercially, too. For landlords, poor efficiency can affect both tenant demand and long-term returns. This becomes especially important in properties where energy costs come out of the landlord’s margin, such as:

• HMOs
• Student lets
• Short-term rentals
• Bill-inclusive homes

In these properties, a draughty room, an outdated heating system, or a lack of smart controls may seem like a small issue on its own. But, across several tenants those extra costs can build steadily throughout the year.

Older rental homes also need to be viewed through the lens of energy efficiency standards. At the moment, most privately rented homes in England and Wales need an EPC rating of E or above, unless an exemption applies. However, the government plans to raise the standard to EPC C by 2030, giving landlords a clear reason to plan ahead.

Solar panels for rental properties

Solar panels can be a practical, sustainable upgrade for landlords, especially in rental properties with steady daytime electricity use.

They work by generating electricity during daylight hours, reducing the amount bought from the grid. This can be particularly useful in bill-inclusive properties, such as HMOs, student lets, short-term rentals, and serviced accommodation, where the landlord pays some or all of the electricity costs.

The more solar-generated electricity a property can use on site, the stronger the financial case is likely to be. An HMO, for example, with shared kitchens, appliances, lighting, Wi-Fi, and tenants coming and going throughout the day may benefit more than a single-let property where tenants are out for most daylight hours.

For the right property, solar panels can make day-to-day running costs easier to manage while supporting longer-term goals, such as improving energy performance and protecting the property’s appeal to tenants.

Solar battery storage for landlords

Battery storage can help landlords make better use of solar electricity that would otherwise go unused during the day.

Instead of sending surplus electricity back to the grid straight away, a battery stores it for later. This can help properties make better use of their solar panels, particularly where demand rises in the evening.

For landlords, the case for battery storage usually depends on how closely solar generation matches tenant usage. For instance, a rental property with regular daytime occupancy may already use much of its solar electricity as it is produced. In contrast, a student house where tenants are out at lectures during the day but using laptops, lighting, cooking appliances, and showers in the evening may benefit more from storing that power for later.

Air source heat pumps and low-carbon heating

Air source heat pumps are another option for landlords planning sustainable energy upgrades, particularly in properties where heating efficiency is a priority. They use electricity to move heat rather than generating it through direct combustion.

However, air source heat pumps need the right conditions. The property’s insulation, radiators, heating demand, hot water needs, and available outdoor space all matter. That's why a proper heat loss survey is important before making a decision.

EV charging for rental properties

As more tenants switch to electric vehicles, EV charging can make a rental property more practical and appealing. For landlords, it may offer a useful point of difference in an increasingly EV-conscious rental market.

EV charging usually makes the strongest sense when a rental property has reliable off-street parking and tenants are likely to value the convenience of charging at home. A professional let with an allocated parking space, for example, may benefit more than a flat where tenants rely on on-street parking.

A practical upgrade plan for rental properties

A staged approach can help landlords avoid rushed decisions.

Step 1: Review your EPC and energy usage

Look at the current EPC, recent energy bills, tenant usage patterns, and any known comfort issues. Together, these can help show where the property is losing energy and costing more than it should.

Step 2: Fix the basics

Address insulation gaps, draughts, inefficient lighting, old controls, and obvious heat loss. These improvements can support better performance across the whole property.

Step 3: Match technology to the tenancy model

Different upgrades suit different rental setups, so it helps to start with how the property is used day to day. Solar panels are often more useful where the landlord pays the electricity bill and the property uses power during the day. EV charging, on the other hand, depends more on parking access and tenant demand. For air source heat pumps, the key question is usually whether the property can retain heat well enough, making insulation a sensible first priority.

Step 4: Plan upgrades around void periods

Larger works are often easier between tenancies. This reduces disruption and gives landlords time to complete checks, certificates, and any follow-up work.

Step 5: Review performance

After installation, track energy usage, tenant feedback, maintenance needs, and running costs. This helps landlords decide what to roll out across other properties.

Take a smarter approach to energy upgrades

Sustainable energy is becoming a bigger part of property planning for landlords. The challenge is knowing which improvements will make a real difference, rather than investing in upgrades that look good on paper but don't suit the way the property is actually used.

Heat loss reports and solar surveys can give landlords a clearer place to start. A heat loss report can highlight where a property may be losing heat, while a solar survey can assess whether solar panels are likely to be suitable. SGS Energy can help you understand the findings and decide what to explore next, with advice tailored to your rental property. Contact us today to find out more.

FAQs

Can landlords install solar panels on rented properties?

Landlords can usually install solar panels on properties they own. However, they may need to check planning rules, mortgage conditions, leasehold restrictions, building permissions, and tenant access arrangements before work begins.

Do solar panels improve EPC ratings?

Solar panels can contribute to better energy performance, but the EPC impact depends on the property, system size, heating setup, insulation, and how the assessment is calculated.

Are air source heat pumps suitable for rental properties?

Air source heat pumps can be suitable for rental properties, especially well-insulated homes with the right heating design. A heat loss survey should be carried out before installation so landlords can understand the property’s needs.

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