Do solar panels increase your house value in the UK?

The honest answer: an owned solar system is generally seen as a positive by UK buyers and estate agents, and the one concrete lever it pulls is your home's energy-efficiency rating, its EPC band. There's no single, reliable "adds £X to your house price" figure for the UK, and we won't invent one. What matters more than any headline percentage is whether you own the system outright. A leased or "rent-a-roof" system you don't own is the one situation that can actively work against a sale, so that's where we'll start.

Owned vs leased ("rent-a-roof"): the part that actually moves a sale

This is the detail a lot of solar-and-value content glosses over, and it matters more than any percentage uplift.

• Owned systems, where you paid for the install and hold the paperwork, are straightforwardly yours to sell with the house. They're generally a selling point, not a complication.
• Leased or "rent-a-roof" systems were common in the Feed-in Tariff era (roughly 2010–2016): a third-party company installed panels for free in exchange for keeping the Feed-in Tariff income and holding a lease on your roof. These can genuinely complicate a sale. A buyer's solicitor needs to review the lease, some mortgage lenders are cautious about leased solar arrangements (a lease on part of the property the homeowner doesn't own can raise questions), and the lease terms sometimes run for 20–25 years, which can outlast your ownership and become the buyer's problem to inherit or unwind.

If you're not sure whether your system is owned or leased, check your original paperwork or contact the company that fitted it. If you're buying a home with existing solar, ask the seller directly and get the answer confirmed by your solicitor before you assume it's a straightforward asset. This is one of the few genuinely well-documented ways solar can slow down a UK property transaction rather than help it.

The upshot is simple: an owned, properly certified system is an asset at resale; a lease that outlasts your ownership is a question mark. If you're installing now, that's an easy call to make in your favour. Whether your roof is even a good candidate for an owned system is the first thing to pin down. Check your roof for solar gives you a direction and suitability read in a couple of minutes, and the savings calculator estimates what an owned system would actually save you.

EPC rating: the concrete UK lever

The clearest, most checkable link between solar and value in the UK runs through the Energy Performance Certificate (EPC). Your EPC is calculated from your home's SAP score (the Standard Assessment Procedure, the government's method for rating a property's energy efficiency), and on-site electricity generation from solar PV is one of the inputs. In practice:

• Adding solar can move a home's SAP score up meaningfully, sometimes enough to shift the EPC band, for example from D to C.
• The size of the effect depends on the rest of the home's efficiency, such as insulation, heating system and glazing, since EPC is a whole-property score, not a solar-only one.
• For landlords, a better EPC band is increasingly a letting requirement rather than a nice-to-have, as the minimum standard for rented homes tightens over time.

If EPC rating is part of your reason for considering solar, ask a prospective installer or an EPC assessor what band uplift is realistic for your specific property. It's a property-by-property calculation, not a fixed number per panel.

What the evidence actually says

Solar-and-value research is more established in the US than the UK. Zillow's 2019 study found US homes with solar sold for around 4.1% more than comparable homes without it; it's widely cited, but it's a US market with different energy prices and buyer norms, so read it as a directional signal, not a UK number. Closer to home, lenders including Nationwide Building Society have found a measurable price premium for the most energy-efficient homes (EPC A/B) over lower-rated ones, generally a modest low-single-digit percentage that varies by region and property type. That premium is about energy efficiency broadly, of which solar is one contributor, rather than a solar-only figure.

The fair summary: solar is generally viewed as a positive by UK buyers and estate agents, particularly with energy costs where they are, and it can support a better EPC band. "Adds £X" is not a claim the UK evidence backs to a precise figure, and we'd rather tell you that than guess.

Buyer appeal

Through estate-agent commentary, solar has become a more visible selling point over the last few years, largely tracking the rise in energy bills. Buyers increasingly ask about running costs, not just purchase price. A well-documented, owned solar system with an MCS certificate is generally something an agent can market positively: lower expected electricity costs, a step toward a better EPC band, and (if the export tariff is transferable or the buyer sets up their own) an ongoing income from any surplus exported to the grid.

That appeal is conditional on the system looking properly installed and properly documented, covered in the paperwork section below, rather than a bolt-on nobody can vouch for.

Why MCS paperwork matters at resale

Whether or not a specific value uplift is provable, the paperwork around a solar install matters practically at the point of sale:

• MCS certification is what UK mortgage lenders and conveyancers generally expect to see for a compliant, professionally installed system, and it's also required to access Smart Export Guarantee tariffs. See our guide to MCS, RECC and HIES explained.
• Installation certificates and warranty documents reassure a buyer (and their surveyor) that the system was installed to standard and is still under warranty, rather than an unknown quantity on the roof.
• Grid connection records, where relevant, confirm the system was properly registered with your local electricity network operator.

A buyer's solicitor will typically ask for this pack during conveyancing. Keeping it together from day one, rather than hunting for it when you come to sell, is a small piece of admin that avoids delays later.

The practical takeaway

If you're installing solar primarily to boost resale value, treat that as a secondary benefit rather than the headline reason. The stronger, better-evidenced case for solar is the ongoing reduction in electricity bills, which you can estimate for your own home with our savings calculator. Value uplift is real in general direction (owned system, decent EPC uplift, buyer appeal) but not something we'd put a precise UK percentage on. What is worth being precise about is making sure any system you install is owned outright and properly certified. That's the difference between solar helping a future sale and solar becoming a conversation your solicitor has to have.

Frequently asked questions

Do solar panels add value to a house in the UK?

An owned solar system is generally viewed positively by buyers and can support a better EPC rating, but there's no robust UK-specific study putting a precise number on the uplift. US research (Zillow, 2019) found around a 4.1% premium for solar homes, but that's a different market and shouldn't be read as a UK figure. The stronger, better-evidenced benefit is lower ongoing electricity costs.

Do leased solar panels affect a house sale?

They can, and this is worth taking seriously. Leased or "rent-a-roof" systems from the Feed-in Tariff era require the buyer's solicitor to review the lease, and some mortgage lenders are cautious about leased arrangements on the roof. Owned systems don't have this issue. If you're not sure whether your system is owned or leased, check your original paperwork before assuming either way.

Does solar improve my EPC rating?

It can. Solar PV generation feeds into a property's SAP score, which the EPC rating is based on, and can be enough to move a home into a better band alongside other efficiency factors like insulation and heating. The exact uplift depends on the rest of the property's efficiency, so it's worth checking with an EPC assessor for your specific home.

What paperwork matters for solar at resale?

MCS certification, the installation certificate, warranty documents, and grid connection records with your local electricity network operator (where relevant) are what a buyer's solicitor typically requests during conveyancing. Keeping this pack together from the point of installation avoids delays when you come to sell.

Related

• Are solar panels worth it in the UK?
• MCS, RECC and HIES explained
• Check if your roof is suitable for solar
• Find listed installers covering your postcode