Non statutory designations that still stop schemes

A non statutory designation carries no statutory duty behind it, and schemes still fail on them every week. A locally listed building, a strategic gap between two villages, an area of great landscape value, a locally important view: none of these attracts the duties that apply to listed buildings or conservation areas, and each of them can produce a refusal that an inspector upholds.

The reason is that weight in the planning balance does not depend on statutory status alone. It depends on the policy in the development plan, the evidence behind the designation, and the harm the proposal would cause. A well evidenced local designation in a recently adopted plan can outweigh a poorly evidenced statutory argument.

What makes a designation non statutory

Statutory designations are created by legislation and carry duties or presumptions. Listing under the Planning (Listed Buildings and Conservation Areas) Act 1990 brings the duty in section 66 to have special regard to preserving the building and its setting. Conservation area designation brings section 72. Scheduled monuments, national parks, national landscapes and sites of special scientific interest all have their own statutory frameworks.

Non statutory designations are created by a plan or a policy. A council's local list of heritage assets, a landscape designation in an adopted local plan, a settlement gap policy, a local green space or important view in a neighbourhood plan. They are applied through the development plan and through national policy, not through a statutory duty.

The practical difference is the nature of the test. A statutory heritage designation brings a presumption and a requirement for clear and convincing justification for harm. A non statutory one brings a balanced judgement.

Locally listed buildings and non designated heritage assets

National policy asks decision makers to take a balanced judgement on applications affecting non designated heritage assets, having regard to the scale of any harm or loss and to the significance of the asset. That is a weaker test than the one applied to listed buildings, and it is not a weak test.

Three points decide these cases.

Whether the building is a non designated heritage asset at all. Inclusion on a local list is the clearest route, but an asset can be identified during the application process, including by the council's conservation officer or by the county historic environment record. An applicant who assumes a building has no status because it is not on a list can be surprised at committee.

What the significance is, described properly. Age, rarity, architectural interest, historic associations, group value, evidential value. A Heritage Statement that identifies significance in a couple of sentences and then concludes there is no harm invites the officer to do the work themselves and reach a different answer.

Whether the harm has been minimised. Total loss of a non designated asset is a much harder case than alteration, and schemes that retain a facade, a frontage range or a distinctive feature usually survive the balance where wholesale demolition would not.

Local landscape and gap policies

Landscape designations below the statutory tier appear under many names: areas of great landscape value, special landscape areas, strategic or settlement gaps, green wedges, local landscape character areas. Their common feature is a policy that restricts development which would harm the designated attribute.

National policy supports protecting valued landscapes in a way that reflects their status or identified quality in the development plan, which is an explicit acknowledgement that locally identified quality counts.

Gap policies are the sharpest of these in practice, because the harm is easy to describe and hard to mitigate. A proposal that narrows the visual and physical separation between two settlements engages the policy directly, and landscaping does not undo it. Where a gap policy applies, the assessment needs a Landscape and Visual Impact Assessment prepared to the recognised guidelines, with the effect on separation addressed as its own issue rather than folded into general landscape character.

What actually reduces the weight given to them

Attacking a designation is legitimate and often necessary, but do it on grounds that a decision maker can act on.

• The age and status of the plan. A designation carried forward from a 1990s local plan with no review carries less weight than one adopted after examination last year.
• The evidence base. Ask whether a landscape designation was supported by a landscape character assessment, and whether the boundary follows the assessment. Boundaries drawn to a road or a field edge with no stated methodology are open to challenge.
• The definition of the attribute. A gap policy that does not say what the gap is protecting, or a landscape policy that does not identify the qualities in question, is harder for an officer to apply and harder for an inspector to uphold.
• Consistency with national policy. Where a local policy goes further than national policy without justification, weight can be reduced, though this argument is used more often than it succeeds.
• Change on the ground. A gap that has been substantially eroded by permissions granted since the plan was adopted is a weaker gap, and the planning history is the evidence.

What does not work is asserting that the designation is non statutory and therefore unimportant. Inspectors have heard it.

Where they defeat schemes

The pattern is consistent. Settlement gaps defeat edge of village housing, because coalescence is a harm with no mitigation. Local lists defeat demolition schemes, particularly where the replacement is undistinguished. Locally important views defeat height, because the harm is visible in a montage. Local green space, which comes from the plan-making process rather than statute in the same sense, defeats development almost outright because the policy applies green belt style management.

The related statutory tier operates differently again, and the contrast is instructive. Our note on national landscapes and the duty on decision makers sets out what changes when a statutory duty is engaged.

Illustrative example: a scheme for 20 houses in a strategic gap, with a locally listed farmhouse on the site. The landscape evidence shows the gap already narrowed by two earlier permissions, which weakens the separation argument, and the scheme retains and converts the farmhouse. The officer's balance turns on the reduced contribution of the remaining gap, and the recommendation is approval subject to conditions. Illustrative only, and a different authority on similar facts could reach the opposite view.

Finding them before you commit

The adopted policies map is the first source, and it will show landscape designations, gaps and allocations. Local lists are usually published separately, sometimes as a register on the conservation pages and sometimes as an appendix to a supplementary planning document. Neighbourhood plans hold their own designations and may not appear on the borough map at all.

The county historic environment record is worth a search for any site with a building on it, because it holds records that never reach a local list.

Do all of this before an offer, because a non statutory designation is exactly the kind of constraint that does not appear on a national dataset and does not show up in a standard search. Record what you found, and record what you checked and did not find, with the dates. Then write the Planning Statement to address each designation directly rather than hoping the officer misses one.

This is general guidance rather than legal advice. Check the position with your local planning authority or a qualified professional before relying on it.

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