historic england solar listed buildings

Historic England's Seven Criteria for Solar PV on Listed Churches — A Plain-English PCC Guide

Historic England assesses solar PV applications on listed places of worship against seven published criteria. This plain-English guide explains each criterion and what it means for your faculty application.

15 March 2026 · By Solar Panels for Churches

Why Historic England’s criteria matter for your church

If your church is Grade I or Grade II* listed, Historic England is a statutory consultee in your faculty application. The Diocesan Advisory Committee must notify Historic England, which then has a 21-day (or sometimes longer) window to submit comments. For Grade II listed churches, Historic England is consulted only if the DAC considers it necessary — usually for complex or contested applications.

But Historic England’s criteria also set the standard that DACs use when assessing solar applications on all listed buildings, whether HE is formally consulted or not. Understanding these criteria — and structuring your application to address each one explicitly — is the single most effective way to reduce the risk of faculty objections or conditions.

The criteria were published in Historic England’s guidance document Energy Efficiency and Historic Buildings: Solar Electric (Photovoltaic) Panels (2022 revision). What follows is a plain-English translation of each criterion with practical guidance for church wardens, PCCs and their advisors.

Criterion 1: Least-visible suitable location

What Historic England says: Panels should be placed in the least visible location on the building where solar generation remains viable.

What this means in practice: The ‘less visible’ principle is the single most important factor in any heritage solar application. In simple terms: no panel placement is acceptable if a less-visible alternative location achieves the same technical result.

Typical application for a parish church:

A chancel south slope with no sight-lines from the public highway is preferred over a nave south slope visible from the village green
A rear vestry roof that avoids church lane views is preferred over a prominent nave slope
Church hall roofs (usually unlisted or lower-listed) are always preferred over main church roofs when generation capacity is equivalent

Practical implication: Your application must include a visibility analysis — ideally a written assessment and/or annotated photographs showing the proposed panel location from the key public viewpoints (usually: the approach road, the churchyard entrance, any adjacent public footpath). If the proposed location cannot be seen from any public viewpoint, say so explicitly.

Common mistake: Proposing a larger array on a more visible slope when a smaller array on a less visible slope would achieve the parish’s energy target. The application should explain why the proposed location is the least-visible viable option, not just the most technically convenient one.

Criterion 2: Reversibility

What Historic England says: The installation must be reversible — removable without causing damage to original historic fabric.

What this means in practice: This is primarily a fixing specification requirement. Every element of the installation — mounting rails, panel frames, cable routes, inverter brackets — must be attachable and detachable without drilling, cutting, bonding or otherwise modifying original fabric.

Three fixing approaches that satisfy this criterion:

Non-penetrative clamp fixings: Hooks or clamps that grip the top of existing slate, tile or lead without penetration. Used on genuine historic slate and lead roofs where any penetration would damage irreplaceable fabric.
Reversible rail systems: Aluminium mounting rail attached to battens (not rafters) via stainless screws into the existing battens. Removal leaves the existing batten pierced — acceptable if the battenwork is modern (post-1950) or is a later repair layer, not original fabric.
VELCRO-frame systems: For the most sensitive Grade I applications (e.g. original medieval lead roofs, early peg tile), fully adhesive-free anchoring systems exist. These attach to wall plates or non-original ridge cappings without any penetration of original material.

Cable routing: Cabling must run in concealed channels or roof voids — no surface-mounted conduit on original stonework or timber. This is both a reversibility requirement and an aesthetic one.

Documentation requirement: The application must include a reversibility statement specifying: how each element is fixed, how it can be removed, and what the expected condition of the fabric will be post-removal.

Criterion 3: No damage to significant historic fabric or character

What Historic England says: The installation must not damage or obscure significant historic fabric and must not unacceptably harm the character of the building or its setting.

What this means in practice: This criterion covers both physical impact (direct damage to original fabric) and visual impact (how the installation looks).

Physical impact: Panels must not be placed over significant architectural features — carved stonework, decorative lead valleys, finials, gargoyles, tracery surrounds. Where the proposed slope has any such features, the application should show that panels are set back from them by at least 500mm and that no element of the mounting system contacts the feature.

Character impact: The “character” of a listed church includes its overall silhouette, its visible roof materials (grey Welsh slate, honey-coloured Bath stone tiles, distinctive peg tile patterns), and the relationship of the building to its churchyard and setting. A large array of even black-on-black panels covering the entire nave south slope may satisfy the less-visible principle from specific viewpoints but still harm the character of the building as seen from the churchyard.

What mitigation works:

Black-on-black monocrystalline panels (minimise colour contrast with dark slate or stone tiles)
Panel-free zone around perimeter features (ridge, verge, eaves, valleys)
Array sizing that leaves original roof material visible at edges

Application requirement: A conservation impact assessment addressing both physical and visual harm. For Grade II applications, this can be relatively brief (500–800 words). For Grade II* and Grade I, Historic England expects a more substantive assessment with photographic views and, sometimes, a CGI or photomontage showing the installed panels.

Criterion 4: Statement of Significance

What Historic England says: The application must include a Statement of Significance that demonstrates an understanding of the building’s heritage value.

What this means in practice: The Statement of Significance is a heritage assessment of the building — what makes it historically, architecturally and culturally significant, and what aspects of that significance could be affected by the proposed works.

This is one of the two most commonly under-resourced parts of a DIY application. A one-paragraph description (“this church dates from 1270 and has Norman features”) does not satisfy this requirement. Historic England and DACs expect an evidence-based assessment that:

Identifies the period of primary significance (original structure, major additions)
Names and dates the architect of any significant Victorian/Edwardian restoration
Identifies the most significant fabric (original fabric always > restoration fabric > later repairs)
Identifies the specific roof elements and their significance (original Welsh slate of particular value, Victorian lead valleys, etc.)
Maps the proposed works against the significance hierarchy — does the panel placement affect original fabric or later repair material?

Who should write it: For Grade I and Grade II*, Historic England expects the Statement of Significance to be authored by a qualified heritage professional (IHBC member, conservation architect). For Grade II, a well-researched statement by an informed applicant (drawing on the NHLE listing description, the quinquennial report and primary references) is usually accepted.

Length: Grade II: 800–1,200 words. Grade II*: 1,200–2,000 words. Grade I: 1,500–2,500 words plus photographs.

Criterion 5: Statement of Needs

What Historic England says: The application must include a Statement of Needs that provides clear justification for the works.

What this means in practice: This is the ‘why’ document — it explains why the parish needs solar, why it needs solar on this particular building (rather than on a hall or adjacent property), and why the proposed specification is proportionate to that need.

A strong Statement of Needs for a church solar application covers:

Energy context: Current annual electricity consumption and cost. Proportion of that cost attributable to mission-essential activities (heating for services, food bank power, nursery lighting). Trend over the past three years (most parishes have seen 40–80% cost increases since 2021).
Net zero commitment: The parish’s, diocese’s and (for CofE) the General Synod’s net zero commitments and what proportion of the carbon reduction is achievable through solar.
Financial case: Indicative capex, grant sources, net cost to the parish, and the expected annual saving that funds future heritage maintenance.
Why this building: If other properties are available (hall, adjacent building), explain why solar on the main church is necessary in addition to or instead of those options. Common reasons: the main church has south-facing slope capacity that the hall lacks; the main church consumes more electricity than the hall; consent is more straightforward on the church than the hall (e.g. the hall is in a restrictive Conservation Area location).
Scale justification: Why this kWp size rather than a smaller array? The needs statement should show the relationship between system size and the parish’s energy profile.

Length: 600–1,200 words.

Criterion 6: Structural and technical assessment

What Historic England says: The application must demonstrate that the proposed installation is technically feasible and structurally safe.

What this means in practice: For solar PV on any listed church, the application should include (or be able to produce on request) a structural engineer’s assessment confirming:

The existing roof structure (rafters, purlins, ridge board) can carry the dead load of the panel system (typically 12–18 kg/m² for standard panels + mounting rail)
The existing fixing points (ridge, eaves, intermediate rafters) are in adequate condition for the proposed mounting system
Wind load calculation confirming that panel uplift at the design wind speed (per BS 6399-2) does not exceed the resistance of the fixing system

For most Victorian church roofs in normal condition, structural adequacy is straightforwardly confirmed. The exception is churches with:

Unstable or significantly deteriorated roof structure (flagged in quinquennial as a repair priority)
Very long spans with limited intermediate support
Non-standard historic roof construction (e.g. some medieval structures with unusual rafter geometry)

In these cases, a structural engineer’s report should precede the faculty application to confirm what (if any) structural remediation is needed before panel installation.

Cable and inverter: The assessment should also confirm the route for DC cabling from panels to inverter, the proposed inverter location (typically boiler room or vestry), and any electrical upgrade needed to the existing church metering/distribution.

Criterion 7: Maintenance and monitoring plan

What Historic England says: The application should demonstrate that the installation will be adequately maintained and that its condition can be monitored.

What this means in practice: Historic England expects a maintenance commitment because solar panels are an addition to the building fabric that must not be allowed to deteriorate in a way that damages the original fabric beneath.

A maintenance plan for a listed church solar installation should cover:

Annual visual inspection: Panel condition, mounting rail integrity, cable routing, guano accumulation (pigeon-proofing condition if fitted)
Annual cleaning: Panel surfaces cleaned to maintain generation performance (also removes guano before it causes staining run-off)
Post-event inspection: After severe weather events (storm, ice, heavy snow), check for any panel displacement or fixing movement
Five-year structural check: Confirm that the mounting rail fixings remain tight and that no fabric beneath has deteriorated
Performance monitoring: Online monitoring (most modern inverters provide this) — underperformance against modelled generation is an early indicator that panels, fixings or connections require attention

Documentation: Some faculty grants include a condition requiring that a maintenance and reversibility statement be deposited with the parish records and updated after each inspection. We produce this as a standard document for every listed church installation we deliver.

Using the seven criteria in your faculty application

The most effective faculty applications for listed church solar do not just address these criteria implicitly — they address them explicitly and in order. We recommend structuring your Conservation Impact Assessment as a seven-section document, one section per criterion, each 150–300 words, showing specifically how the proposal satisfies each test.

This approach:

Makes it straightforward for the DAC to assess compliance (they know the criteria and can match against your responses)
Reduces the risk of “further information requested” requests that delay the application
Creates a clear record if any aspect is challenged

For a free assessment of how your proposed installation measures against Historic England’s seven criteria — and what additional documentation you would need — request a free desk feasibility.