Building preservation notices and spot listing

A building preservation notice is the emergency brake. Where a building that is not listed turns out to be of special architectural or historic interest, and somebody is about to demolish or alter it, the council can serve a notice under section 3 of the Planning (Listed Buildings and Conservation Areas) Act 1990 that treats the building as listed straight away, for six months, while the Secretary of State decides whether to add it to the list.

Asking for a building to be listed is a separate process, it takes months, and it gives the building no protection while it runs. That gap between the two is where buildings are lost.

What a preservation notice does

Service of the notice has immediate effect. From that moment the building is treated as if it were listed, so demolition, alteration or extension affecting its character as a building of special interest needs listed building consent, and carrying out those works without consent is a criminal offence.

The notice does not list the building. It buys time, and it transfers the question to the Secretary of State, who decides on advice from Historic England whether the building belongs on the National Heritage List for England.

It also stops a demolition that is otherwise lawful. A contractor with machinery on site and a prior notification in hand can be halted by a notice served that morning, which is why the power exists in the form it does.

Where there is urgency and the owner cannot be found or reached, the notice can be affixed conspicuously to the building itself rather than served in the ordinary way.

Who can serve one and when

Only the local planning authority can serve a building preservation notice. Members of the public, amenity societies and parish councils cannot, so the practical task for anybody trying to save a building is to persuade the conservation officer to act, and to do it in hours rather than weeks.

The statutory test has two parts: the building must appear to be of special architectural or historic interest, and it must be in danger of demolition or of alteration in a way that would affect its character as such a building.

Danger has to be real and present. A rumour that a site may come forward is not enough. A demolition notice, a marketing brochure showing a cleared site, machinery arriving or a contractor's letter all are.

If you are pressing for a notice, bring both halves of the test. Photographs and a short note on the architectural interest, plus documentary evidence of the threat. An officer who has to assemble both from scratch on a Friday afternoon usually cannot.

The six month period and what follows

The notice lasts six months from service, and three things can end it.

The Secretary of State can list the building, at which point the protection becomes permanent and the notice falls away. The Secretary of State can notify the authority that the building will not be listed, which ends the notice immediately. Or the six months can simply expire.

Where a decision is made not to list, the authority cannot serve a further notice on the same building for 12 months. That is a hard stop, and owners who have been through the process know it.

During the six months, the building is protected but nothing else changes. If the building is deteriorating, the authority may also need to look at its urgent works powers, which run on a separate track from the interim protection.

Compensation risk for the authority

Here is why notices are served sparingly. Where a building preservation notice ceases to have effect without the building being listed, the authority is liable to pay compensation for loss or damage directly attributable to its effect, including sums payable for breach of contract caused by the need to stop work.

For a house that turns out not to merit listing, the exposure may be modest. For a commercial site with a demolition contractor on a programme and a development finance facility running, it can be large.

The practical consequence is that conservation officers want to be reasonably confident the building will be listed before they serve. An approach from Historic England indicating that the case looks arguable changes the calculation, and that is one reason to run the listing request and the request for a notice at the same time rather than in sequence.

Asking for a building to be listed

Anyone can ask for a building to be listed, at no charge, through Historic England's application process. The assessment is carried out by Historic England and the decision is made by the Secretary of State.

The published principles of selection set the framework. Age and rarity carry weight, with survival before 1700 in anything like original condition treated generously and the bar rising steadily for later buildings, so a post-war building has to be outstanding. Architectural interest covers design, decoration and craftsmanship. Historic interest covers illustration of national social or economic history, and close association with nationally important people or events. Group value covers buildings that form part of a planned ensemble.

Where a proposal is live, say so on the form and explain the threat, because cases under threat are prioritised. Even so, an assessment takes time, and the request on its own restrains nobody.

Local listing is the other route. A building on a local list is a non-designated heritage asset, and the Framework requires a balanced judgement on harm to it, weighed against the benefits of the scheme. That is weaker than listing and stronger than nothing, and it applies through the planning decision rather than through a separate consent.

Evidence that supports a listing request

Listing decisions are made on evidence about the building, not on how much local feeling there is. What helps:

1. Clear photographs of each elevation, the roof, and any surviving internal features, dated.
2. Historic mapping showing the building's presence and footprint over time.
3. Documentary sources: trade directories, deeds, archive drawings, local history publications, census entries.
4. A statement of what makes the building special against the selection criteria, in plain terms.
5. Comparison with similar listed buildings elsewhere, with their list entry numbers.
6. The threat: the application reference, the demolition notice, or the marketing particulars.

A Heritage Statement prepared for a related application can carry much of this material, though it is written for a different purpose and should be adapted rather than forwarded. Where loss looks likely whatever happens, historic building recording to the appropriate level at least preserves the evidence.

Certificates of immunity and the other direction

The process runs both ways. Under section 6 of the same Act, anybody can apply for a certificate of immunity from listing. Where one is granted, the building cannot be listed and no building preservation notice can be served for five years.

Developers use this to remove uncertainty before committing to a scheme, and it is a sensible step on any site with an older building where the appraisal depends on demolition. Historic England assesses the building on the same criteria, so the application carries a real risk: ask for immunity and you may get a listing instead.

Once a building is listed, the consent regime applies to everything that affects its character, including work that looks routine. The boundary between repair and alteration is set out in the piece on like-for-like repairs and listed building consent, and the reversibility principle that governs additions is covered in the note on solar panels on listed buildings.

If you are trying to save a building this week, do three things: email the conservation officer with photographs and evidence of the threat, submit a listing request to Historic England the same day, and tell the officer you have done so.

This is general guidance, not legal advice. Check the position with your local planning authority or a qualified professional before relying on it.

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