Publicity, site notices and who must be told
Publicity for planning applications follows article 15 of the Development Management Procedure Order. What each band requires, and how to check it was done properly.
Planning application publicity requirements are set by article 15 of the Town and Country Planning (Development Management Procedure) (England) Order 2015, and they are a floor rather than a ceiling. Every application must be publicised somehow. The form that publicity takes depends on what kind of application it is: a site notice, letters to neighbouring occupiers, an advertisement in a local newspaper, or a combination of the three. Nothing in the Order gives an individual neighbour a personal right to be written to, which surprises people who find out about a scheme next door after the consultation has closed.
Knowing which method should have been used, and when, is the difference between a complaint the council can act on and one it cannot.
The publicity the Order requires
The Order sorts applications into bands. Major development, development that departs from the development plan, development affecting a public right of way, and applications accompanied by an environmental statement attract the fullest publicity: a notice posted at or near the site and an advertisement in a newspaper circulating in the area. Applications for listed building consent and development affecting the setting of a listed building or the character of a conservation area also attract site notice and press advertisement.
Everything else, which means most householder and minor applications, attracts a lighter requirement: the authority must either post a site notice or serve notice on adjoining occupiers. Councils choose, and many have a standing practice of writing to immediate neighbours because it generates fewer complaints than a laminated notice that blows off a lamp post.
Publicity is separate from consultation with statutory consultees. The Order lists those bodies and the circumstances in which they must be consulted, and they are given their own period to respond.
Site notices, letters and press adverts
A site notice has to be posted where it can be read by the public without entering the site, and left in place for the required period. Weather and removal are not the council's fault, provided it took reasonable steps, which is why officers photograph notices on the day they are posted.
Neighbour letters go to adjoining occupiers, a phrase the courts have read as properties that share a boundary. A house three doors down with a clear view of the development is not adjoining and has no entitlement to a letter, even where the effect on it is greater. That is one of the more uncomfortable features of the system, and it is why the address list matters so much on tight urban sites.
Press advertisements are the least useful form of publicity in practice and the most legally durable, because publication is easy to prove. Councils also publish weekly lists of applications received and decided, which is the route most parish councils and residents' associations rely on. Our note on registering and tracking a neighbouring application covers how to set those alerts up.
The consultation period and late representations
The commonly applied period is 21 days from the date a site notice is posted, and councils normally adopt the same window for neighbour letters, which is the practice explained in the 21 day consultation period and who is notified. The published consultation expiry date on the council's website is the one to work to.
The council cannot determine the application before the period expires. After it expires, the authority is entitled to decide, but representations received late must still be taken into account if they arrive before the decision is issued. Officers do read them. A delegated report signed on a Tuesday will not pick up a letter arriving on Wednesday, so the practical rule is to send something within the window even if the detail follows.
Where an application is submitted with an environmental statement, the Environmental Impact Assessment Regulations 2017 set their own publicity and representation requirements, which run longer.
Amended plans and when the council must ask again
No statutory rule requires re-consultation when drawings change. The test is fairness at common law: whether the amendment is such that someone who commented, or who chose not to, is deprived of the chance to make a point they would have made.
In practice councils re-consult when floor area increases, when a window is added on a flank elevation, when the building moves closer to a boundary, or when the use changes. They usually do not re-consult when a scheme shrinks, when materials are substituted, or when a plan is corrected. Shortened periods of 14 days are common for re-consultation.
If plans have changed and you were not told, say so in writing before the decision. After the decision your remedy is judicial review, which has a three month long stop and is an expensive route for a domestic dispute.
Where publicity goes wrong
A defective notice does not automatically make a permission unlawful. The courts ask whether the failure caused substantial prejudice. A site notice posted for 19 days rather than 21, on an application nobody objected to, is unlikely to trouble anyone. A missing notice on a major application where an active residents' group would plainly have responded is a different matter.
Two other failures come up regularly. The wrong description of development, so that neighbours reading the notice do not appreciate what is proposed, and an ownership certificate signed incorrectly, so that a landowner is never served notice under article 13. The second is the more serious, because a false certificate is an offence under section 65 of the Town and Country Planning Act 1990.
Applications made by the council on its own land follow the same publicity rules, with the decision made under a separate procedure that we set out in how a council grants planning permission to itself.
Checking publicity as a neighbour
Four checks take about ten minutes on the council's public register.
- Find the application by address and note the validation date and the published consultation expiry date.
- Look for the publicity documents, usually scanned as a site notice copy, a press notice extract or a neighbour letter address list.
- Check whether the description of development matches the drawings, and whether the certificate signed by the applicant names the right owners.
- Note the case officer and the target decision date, then diarise a date a week before it.
If any of that is missing, email the case officer and ask which publicity method was used and on what date. Councils answer that question readily. And if the answer reveals that the wrong band was applied, for example no press notice on an application affecting a conservation area, ask in writing for publicity to be reissued before determination rather than complaining afterwards.
Where a scheme is large enough for the applicant to have carried out its own consultation, the results are usually submitted as a statement of community involvement, which is worth reading for the questions the developer chose not to ask.
Being told about future applications
There is no general register of interested parties. What exists varies by authority: email alerts on the weekly list, a map based watch area, or a subscription to applications within a radius of a postcode. Parish and town councils are consulted as a matter of course and publish agendas that list applications in their area.
For anyone who has objected once, ask the case officer to add you to the notification list for any revised or subsequent application on the same site. It is a courtesy rather than a right, and most officers will do it.
Applicants reading this from the other side: publicity is the stage where a scheme collects its objections, and a proposal explained clearly in the drawings and the covering statement collects fewer of them. PlanScope drafts the supporting documents for an application from your postcode and a short set of answers, so the description and the justification say the same thing. See the full list of report types.
This is general guidance, not legal advice; check the position with your local planning authority or a qualified professional before relying on it. PlanScope provides AI-assisted draft reports for planning applications. Reports should be reviewed before submission. We do not guarantee planning approval.
Frequently asked questions
Does the council have to write to me about a neighbouring application?
Not necessarily. For most minor and householder applications the authority may choose between posting a site notice and writing to adjoining occupiers. Adjoining means sharing a boundary, so a property further along the street has no entitlement to a letter even where it is more affected. Setting up an email alert on the council's weekly list is more reliable than waiting for post.
How long do I have to comment on a planning application?
Councils normally allow 21 days from the date a site notice is posted or a neighbour letter is sent, and they publish the consultation expiry date on the application record. Comments arriving after that date must still be considered if they reach the officer before the decision is issued, so send something inside the window and add detail later if needed.
Must the council consult again if the plans are amended?
There is no statutory duty to re-consult. The test is whether the change deprives someone of the chance to make a point they would otherwise have made, so councils re-consult when a scheme grows, moves closer to a boundary or gains windows, and usually do not when it shrinks. Re-consultation periods are often shortened to 14 days.
What happens if a site notice was never posted?
A permission is not automatically unlawful because publicity was defective. The courts ask whether the failure caused substantial prejudice, which depends on the scale of the application and whether anyone was in fact denied the chance to comment. Raise it with the case officer in writing before the decision, because afterwards the only remedy is judicial review.
Who signs the certificate saying the owners were told?
The applicant or their agent signs an ownership certificate with the application, confirming whether they own the land and, if not, that notice has been served on those who do. Knowingly issuing a false certificate is an offence under section 65 of the Town and Country Planning Act 1990, and an incorrect certificate is a common reason for an application to be treated as invalid.
Sources and further reading
This article is general guidance about the planning system in England and, where stated, the rest of the UK. It is not legal or professional advice. Check your local planning authority’s validation requirements and take professional advice for your specific site.