Checklist for responding to an invalid application notice
Until an application is validated there is no determination clock. Here is how to sort each item on an invalidity notice, decline requests that are not on the published local list, and protect the validation date.
An invalidity notice stops the clock before it starts. Until the authority validates, there is no determination period, no eight week deadline and no appeal for non-determination, so an invalid planning application sitting in a validation queue is pure delay. The response that gets it moving fastest is a single reply that deals with every item on the officer's list, in the officer's order, with the document names they asked for.
Why applications are declared invalid
Validation is a check against two lists. The national requirements come from section 62 of the Town and Country Planning Act 1990 and article 7 of the Town and Country Planning (Development Management Procedure) (England) Order 2015: the correct application form, a plan identifying the land, the ownership certificate, the relevant drawings, the fee and, where required, a design and access statement.
The local requirements come from the authority's published local list. Section 62(4A) of the Act limits what can go on it. A local requirement must be reasonable having regard in particular to the nature and scale of the proposed development, and must relate to a matter it is reasonable to think will be a material consideration in determining the application.
Most invalidity notices arise from a short set of recurring problems:
- A fee that is wrong because the floorspace, site area or category was miscalculated
- An ownership certificate signed under the wrong letter, or an agricultural holdings notice omitted
- Drawings without a scale bar, a north point, revision numbers or a stated paper size
- A site location plan that does not show the application site edged red and other land in blue
- A local list document missing, such as a tree survey, a heritage statement or a drainage assessment
- A description of development that does not match the drawings
Fee errors dominate, particularly on mixed submissions, and the arithmetic in a worked planning fee calculation for a mixed submission is worth running before you submit rather than after.
Reading the validation officer's list
Read the notice twice. Once to identify what is missing, and once to identify what kind of requirement each item is, because that determines your response.
Sort every item into one of four categories. A national requirement, which you supply without argument. A local list requirement that applies to this development, which you supply or negotiate the scope of. A local list requirement that does not apply at this scale or on this site, which you say so about. And a request for something on neither list, which you can decline.
Validation officers are usually not case officers. They are applying a checklist, often without a planning judgement about whether an item is proportionate for your scheme. That is why a short, polite, itemised reply works better than a phone call: it gives them something to put on the file and, where needed, to pass to a case officer for a decision.
| Item type | Your response | Typical turnaround |
|---|---|---|
| National requirement missing | Supply it, no argument | Same day |
| Local list item that applies | Supply it, or agree a proportionate scope in writing | Days to weeks |
| Local list item that does not apply at this scale | Reply in writing citing the list's own threshold | Days |
| Not on either list | Decline, citing section 62(4A) and the published list | Days, sometimes escalated |
National requirements against local requirements
The distinction matters because your room to argue differs. There is no arguing with a national requirement. A missing ownership certificate or an unsigned form has to be fixed.
Local requirements are different. The list is published, it has thresholds, and it binds the authority as much as the applicant. Download the current version and quote it. If the list says a transport statement is required for ten or more dwellings and you are submitting four, say so with the page reference. If the list requires a heritage statement within a conservation area and the site is outside one, attach the designation map extract.
Where a local item does apply but the requested scope is disproportionate, propose the proportionate version rather than refusing outright. A single plot rarely needs a full tree survey where a tree protection plan and method statement for the two trees actually affected would answer the policy concern. Offer that and ask the authority to confirm in writing that it satisfies the requirement.
Challenging a requirement you think is unreasonable
There is no statutory appeal against a refusal to validate, which is the uncomfortable part. The practical escalation route has three steps and most cases stop at the first.
- Reply in writing, itemised, citing the published local list and section 62(4A), and ask the authority to validate or to explain which published requirement the item falls under.
- If the position does not move, ask for the matter to be referred to a development management team leader or the validation manager, and ask for the decision in writing.
- If it still does not move, use the authority's formal complaints procedure. Judicial review exists but is rarely proportionate for a validation dispute.
Keep the tone neutral and the content specific. Arguments that a requirement is burdensome rarely succeed. Arguments that a requirement is not on the published list, or that the list's own threshold excludes the scheme, usually do.
Two things help in advance. Asking at pre-application stage which documents the authority will require at validation, and getting the answer in writing. And submitting a short validation covering note with the application, listing each local list item and either attaching it or explaining in one line why it does not apply.
Resubmitting without losing the fee
An application that cannot be validated is normally returned rather than refused, and most authorities return the fee with it. Do not assume this. Ask, in the same reply, what the authority will do with the fee if the application is returned, and whether it will hold the fee against a corrected submission.
Where the fee itself was the error, pay the difference rather than withdrawing. Authorities will usually accept a top-up payment and validate from the date the correct fee is received, which preserves most of the submission position.
Where a document is missing, supply it and ask for validation from the date the final item is received. That is the usual rule, and it is why supplying items in dribs and drabs is expensive: the clock starts when the last item lands, so a four-item list answered over three weeks costs three weeks.
Keeping the submission date you need
Validation date, not submission date, is what matters for the determination period, for policy transition and for any deadline you are working to.
Where the date is material, say so. A scheme submitted before a local plan policy takes effect, before a fee indexation date, or before a transitional deadline in the Building Regulations needs the validation date protected, and the authority will usually engage if you explain why. Put the reason in the covering email rather than hoping.
Where the date cannot be saved, work out what actually changes. Some transitional provisions turn on the date permission is granted rather than the date of validation, and some turn on the date works start. Read the provision rather than assuming the worst.
An illustrative response checklist
The following is illustrative, for a four-dwelling scheme declared invalid on five items.
- Open with a numbered list mirroring the authority's own numbering, so each item can be ticked off.
- For each supplied document, give the file name, the drawing or revision number and the date.
- For each item you say does not apply, cite the local list page and threshold, and attach the evidence in one line.
- Where the fee is disputed, set out the calculation with the floorspace or unit figures used and the regulation category relied on.
- Attach an updated document schedule for the whole application, listing every document now before the authority.
- Ask for written confirmation of the validation date, and ask what the authority will do with the fee if any item remains in dispute.
- Send it once, complete, rather than in instalments.
A short note on the drawings. Supply a Design and Access Statement where the development falls within the categories that require one, and a Planning Statement where the local list asks for a policy case, with the same document names the list uses. Validation officers match names against a checklist, and a document called "Planning and Heritage Note" can be rejected for not being the thing that was asked for.
You can check which reports the scheme is likely to need before you resubmit, and draft the narrative documents as a starting point for your own review.
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
Can I appeal against a refusal to validate?
There is no statutory appeal. Reply in writing citing the published local list and section 62(4A) of the Town and Country Planning Act 1990, then escalate to a development management team leader, then to the authority's complaints procedure. Judicial review exists but is rarely proportionate for a validation dispute on a small scheme.
Can the council ask for documents not on its local list?
It should not. Section 62(4A) requires a local requirement to be reasonable having regard to the nature and scale of the development and to relate to a matter likely to be a material consideration, and the list has to be published. Where an item appears on neither the national nor the local list, say so in writing and ask which published requirement it falls under.
Will I get my fee back?
An application that cannot be validated is normally returned rather than refused, and most authorities return the fee, but practice varies. Ask in your reply what will happen to the fee and whether it can be held against a corrected submission. Where the fee itself was wrong, paying the difference is usually better than withdrawing.
When does the eight week period start?
From validation, not submission. Where several items are outstanding, the authority will usually validate from the date the last item is received, so answering a list over three weeks costs three weeks of determination time. Send one complete reply rather than supplying documents in instalments.
How do I avoid invalidity next time?
Ask at pre-application stage which documents the authority will require at validation and get the answer in writing. Then submit a short validation covering note listing each local list item, attaching it or explaining in one line why it does not apply at this scale or on this site.
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.