About The Duchy of Cornwall
The Duchy of Cornwall manages approximately 53,000 hectares of land primarily across the South West of England, plus holdings in Devon, Dorset, Somerset and Wales. The Duchy has historically been a leader in sustainable rural land management and supports tenant-installed renewables.
How tenant-PV approval works with The Duchy of Cornwall
The Duchy of Cornwall focuses heavily on sustainability — King Charles III's longstanding interest in environmental stewardship is reflected in the estate's approach to tenant PV. Tenant-PV addenda are well-established and processed relatively quickly. Standard process: tenant proposal; Duchy rural team review; addendum signed; project proceeds with full Duchy support including marketing support in some cases.
The Duchy of Cornwall approval requirements
The Duchy typically requires: MCS commercial certification; IWA workmanship warranty; structural assessment; landscape impact consideration (Duchy properties often in sensitive coastal or rural landscapes); coordination with any other ongoing Duchy environmental schemes on the holding; documentation for any panel disposal or recycling at end of life.
How we manage The Duchy of Cornwall tenant projects
We handle the full The Duchy of Cornwall tenant-PV workflow as standard scope on tenant farm projects:
- Initial proposal drafted in The Duchy of Cornwall standard format including system specification, structural assessment, MCS installer details
- Submission via the tenant's land agent or directly to the The Duchy of Cornwall rural team (as appropriate)
- Response to any technical or commercial queries from The Duchy of Cornwall's reviewers
- Coordination with the lease addendum drafting (typically handled by The Duchy of Cornwall's legal team)
- Final tenant sign-off and project mobilisation
Typical The Duchy of Cornwall tenant timeline
From initial proposal to addendum execution: typically 4–8 weeks for The Duchy of Cornwall. From addendum execution to project mobilisation: immediately. Total project timeline from proposal to commissioning: 5–8 months for rooftop PV (including DNO G99 connection), or 7–10 months for combined re-roof + PV.
Common The Duchy of Cornwall approval considerations
The most common discussion points raised by The Duchy of Cornwall during PV proposals: (1) clarity on system ownership through the tenancy term — typically tenant owns until end of lease, with defined reversion terms; (2) integration with any existing or planned environmental schemes on the estate; (3) structural impact assessment to confirm no degradation of the leased buildings; (4) end-of-system-life decommissioning responsibility; (5) coordination with other tenants where buildings are shared or adjacent.
For tenant farmers operating on The Duchy of Cornwall land considering solar PV, the addendum framework is well-established and the process is rarely a blocker. The key is engaging early with proper documentation. Read our wider guide on tenant farmer solar and landlord consent for context.
Common questions
Does The Duchy of Cornwall support tenant-installed solar PV?
Yes. The Duchy of Cornwall has standardised tenant-PV lease addenda. Most modern tenant solar applications are approved without major modification to standard terms.
How long does The Duchy of Cornwall take to approve a tenant PV project?
Typically 4–8 weeks from formal proposal submission to signed addendum. Pre-engagement with the rural advisory team can reduce this further on larger or more complex projects.
What does The Duchy of Cornwall require as part of the tenant PV proposal?
Standard institutional landlord requirements: MCS commercial-certified installer; IWA workmanship warranty; structural and electrical engineer assessment; clear reversion terms at end of tenancy; insurance documentation.
Can I use PPA financing on The Duchy of Cornwall land?
Most The Duchy of Cornwall tenant arrangements require tenant ownership rather than third-party developer ownership. PPA arrangements typically require additional specific approval and aren't the default route. Asset finance and capital purchase are the standard routes.
What happens to my solar system at the end of the The Duchy of Cornwall tenancy?
Reversion terms vary by tenancy agreement and the addendum specifics. Common arrangements: system reverts to the estate at end of tenancy (with or without compensation); system can be removed at tenant's cost; system passes to incoming tenant via continuation. We help structure the right reversion arrangement during the addendum drafting.