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The Solar Lease Due-Diligence Checklist

The rent and lease terms get all the attention. But it's the things already on your land — a mortgage, an old covenant, a tenancy, a missing access right — that quietly block or shrink solar deals. Here's what to check before you sign an option.

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The Checklist in Brief

Before you sign a solar option or lease, confirm five things on your side of the deal:

  • Mortgage: if the land is charged, you need the lender's consent — get it before exchange.
  • Title: check for an "agriculture only" covenant or an overage/clawback clause that could block the scheme or take the uplift.
  • Tenancy: if the land is let, the tenancy must be dealt with first.
  • Access & cabling: make sure the power can actually reach the grid, and that no neighbour holds a ransom over the route.
  • Subsidies: know what happens to your delinked payments (in England, nothing) and any SFI/Stewardship agreement (the land must come out).

And remember: an option agreement locks your land to the developer for years before any rent starts.

General information, not legal advice. This covers England & Wales; Scotland differs on tenancies, minerals and subsidies. Every title and mortgage is different — instruct a specialist rural/renewables solicitor and a land agent to review your specific position before signing. Sources are listed at the foot of the page.

1. Your mortgage — get the lender's consent first

If the land is charged to a bank or the Agricultural Mortgage Corporation, you almost certainly need the lender's written consent before granting a long lease or even the option. The lease sits on top of the lender's security, and the developer (and its own funder) will insist their rights survive if the lender ever enforces — which is why funders ask for "step-in rights" and direct agreements.

Banks tend to instruct their own valuer and can hold up the timetable, so contact your lender before the option is exchanged, not after. Granting a lease without consent can breach your mortgage terms, and future re-mortgaging will usually require the new lender to covenant with the developer too.

2. Your title — covenants and overage

Two things buried in the registered title routinely derail solar deals:

  • Restrictive covenants. An "agriculture only" covenant — often from a sale decades ago — can prohibit non-agricultural use like a solar farm; others forbid building structures on the land. Discharge or modification via the Upper Tribunal (Lands Chamber) is possible but uncertain, so don't assume it.
  • Overage / clawback. A clause from a previous purchase can entitle a former owner to a share of the uplift when planning permission is granted — commonly 25–50%, and running for decades. The capital sum it demands when triggered can make a project unviable.

Both bind the land whatever your intentions, and a developer's due diligence will find them — so get a solicitor to check the official copies and title plan before you negotiate. Tip: confirm the land is actually in your name; farmland is often still registered to a parent or grandparent. (Overage also matters if you sell rather than lease.)

3. Access, easements & the cable route

A solar farm is worthless if the power can't reach the grid, so cabling frequently has to cross your retained land or a neighbour's — needing easements or wayleaves (routes can run many kilometres). You'll likely be asked to grant rights to the developer; establish who pays your legal fees for doing so.

Existing rights on your land — overhead lines, pipelines, drainage — impose no-build zones that constrain the panel layout. And if a third party controls the only viable access or cable route, they can command a "ransom" share of the development value (the long-established Stokes v Cambridge principle puts this at roughly a third, sometimes up to half).

4. Is the land let to a tenant?

If so, you can't simply grant a solar lease over it. A pre-1995 Agricultural Holdings Act tenancy carries strong, often lifetime, security of tenure — recovering the land for solar relies on a technical Case B notice (which needs planning permission first, 12 months' notice, and can entitle the tenant to substantial compensation) or a negotiated deed of surrender for a premium. A post-1995 Farm Business Tenancy is far easier to end. Resolve the tenancy in parallel with the option — see the tax guide for the tenant-rights detail and the lease negotiation guide for the commercial terms.

5. Other title traps

Rights of way

A footpath or bridleway across the site must be designed around and is a planning consideration; rights can even arise by long use.

Mineral rights

If reserved to a third party, foundation works can risk trespass — usually covered by indemnity insurance, but don't approach the minerals owner first.

Sporting rights

Where shooting/fishing rights are held separately, that holder can enter the land — awkward for a fenced, secured solar site.

6. Your farm subsidies

Delinked payments (England): unaffected

The payments that replaced BPS are based on your 2020–2022 history and aren't tied to land use — gov.uk guidance confirms changing what the land is used for after BPS 2022 doesn't change them. They're being phased out anyway, with 2027 the final year (and already cut to a maximum of about £600 a year). So leasing for solar doesn't cost you delinked income.

SFI / Countryside Stewardship: the land must come out

Land with panels is treated as non-agricultural, so it can't stay in an SFI or Stewardship agreement — the affected area is removed (for CS, a Minor and Temporary Amendment with the RPA) and the value re-cut. Whether historic payments are clawed back is decided case-by-case and isn't clearly published, so get the RPA's position in writing before you sign; developers usually require the land free of agri-environment commitments. Grazing sheep under the panels does not restore eligibility.

7. Know what the option locks in

You take on real obligations the moment you sign the option — years before any rent. A typical option lets the developer:

  • Access the land for surveys and site investigations
  • Apply for planning permission and a grid connection in its own name (with your support)
  • Lock the site exclusively for the option term (often 2–3 years) — no competing options, leases or wayleaves without consent
  • Decide whether and when to trigger the lease — the choice is theirs, not yours

Do the Free Check Before the Paid Advice

Before you spend on solicitors and land agents, confirm there's grid capacity near your land — if there isn't, there's no deal to do diligence on. It's free and takes under a minute.

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Solar Lease Due-Diligence FAQs

Frequently Asked Questions

Only with your lender's consent. A 25–40 year solar lease (and the option that precedes it) is an interest in the land that sits on top of your lender's charge, and most mortgages prohibit granting a lease without consent. The bank will usually instruct its own valuer and may require a direct agreement with the developer. Sort this before the option is exchanged — granting the lease without consent can breach your mortgage, and the developer's funder won't proceed if their interest could be defeated on enforcement.
Yes. An 'agriculture only' restrictive covenant — often from a previous sale, sometimes decades or centuries old — can prevent non-agricultural use such as a solar farm, and an overage (clawback) clause can hand a former owner a share of the planning uplift, sometimes enough to make the project unviable. Both usually bind the land regardless of your intentions. Have a solicitor check the registered title before you negotiate; discharging a covenant via the Upper Tribunal is possible but far from guaranteed.
In England, no. Delinked payments (which replaced the Basic Payment Scheme) are based on your 2020–2022 payment history and are not tied to land use, so gov.uk guidance confirms changing what your land is used for after BPS 2022 does not affect them. They are being phased out regardless, with 2027 the final year. Scotland's scheme is different — it remained linked to active farming, so solar land would be ineligible there.
Land with solar panels is treated as non-agricultural and can't stay in an SFI or Countryside Stewardship agreement, so the affected area must be removed (for CS, via a Minor and Temporary Amendment with the RPA) and the agreement value re-cut. Whether any historic payments are clawed back is decided case-by-case and isn't clearly published — get the position in writing from the RPA before you sign, as developers typically require the land to be free of agri-environment commitments.
Usually yes. The solar farm has to export power, so cabling often crosses your retained land or a neighbour's land, requiring easements or wayleaves — cable routes can run for many kilometres. You may be asked to grant rights to the developer, and you should establish who pays your legal fees. Existing rights on your land (overhead lines, pipelines, drainage) can also constrain the panel layout, and a neighbour controlling the only viable cable route or access can command a 'ransom' share of the value.
An option agreement typically lets the developer access the land for surveys and site investigations, apply for planning permission and a grid connection in its own name (with your support), and locks the land exclusively to them — you usually can't grant competing options, leases or even other wayleaves over the estate without consent. The developer, not you, decides whether to trigger the lease, within the option term (often 2–3 years). So you take on real obligations well before any rent starts.

Sources & further reading

Scheme rules change frequently; confirm the current position with gov.uk and your advisers before acting.

Related Landowner Guides