Prior Approval Vs Planning Permission
Use this page when the project may not fit a simple yes-or-no planning answer and you need to understand whether the next step is prior approval, a full application or something else.
Read This Answer In The Order That Saves You Time
What This Answer Is Designed To Resolve
Searches this page matches
Useful when the real question sounds like What is the difference between prior approval and planning permission? and you want the shortest route to a practical answer.
What it settles fastest
Useful when the route sounds more formal than permitted development but lighter than a full application.
Checks to keep in view
- Prior approval is not the same thing as full planning permission, even though the council still has to assess specified issues.
- The route depends on the exact type of development and the legal framework that applies to it.
- Using the wrong route wastes time because the evidence, expectations and risks are not identical.
The Short Answer, The Main Tripwires And The Safest Next Move
What usually applies
Use this page when the project may not fit a simple yes-or-no planning answer and you need to understand whether the next step is prior approval, a full application or something else.
What often changes it
- Prior approval is not the same thing as full planning permission, even though the council still has to assess specified issues.
- The route depends on the exact type of development and the legal framework that applies to it.
- Using the wrong route wastes time because the evidence, expectations and risks are not identical.
Best next step
Use the detailed sections below as a briefing note, then move into the related guidance if your situation turns on one project type, one local authority or one rule.
When This FAQ Answer Is Usually Enough And When To Escalate
Usually enough when
- The question is about process, evidence, timing or one narrow planning definition.
- You need a practical briefing note before opening a project guide or local authority page.
- The proposal is not obviously close to a hard planning threshold.
Go further when
- One exact project type, council area, conservation area or listed-building issue is already driving the answer.
- The financial or timing consequences are large enough that a summary answer is not a safe stopping point.
- The route still feels mixed after reading the key checks below.
What usually settles it faster
- Prior approval is not the same thing as full planning permission, even though the council still has to assess specified issues.
- The route depends on the exact type of development and the legal framework that applies to it.
- Using the wrong route wastes time because the evidence, expectations and risks are not identical.
If This Answer Turns Into A Bigger Planning Question
These are the next pages most likely to help if the answer needs to turn into a project guide, a local rule check or a more formal route decision.
Planning Route Planner
Use the route planner when the main uncertainty is which approval path actually applies.
Open pageDo I Need Planning Permission?
Go broader first if the route is still unclear at a basic level.
Open pagePlanning Permission
Use the main hub when the project is leaning toward a formal application route.
Open pageWhy People Mix The Two Up
Prior approval sits in the middle ground between a simple permitted development assumption and a full planning application. The development may benefit from a legal route that avoids full planning permission, but the council may still need to approve specific matters before work starts.
That overlap is why people often hear that permission is not needed and then discover that some form of application is still required.
Why The Distinction Matters Early
The practical difference matters because the route affects what you need to prepare, how the council will assess the proposal and which issues can become the deciding factors.
A project on the prior approval route should not automatically be treated as either risk-free or equivalent to a full planning application. It has its own logic and its own evidence needs.
- Do not assume prior approval is just a faster version of planning permission.
- Do not assume a prior approval route exists until the exact project type has been checked.
- Good route choice at the start reduces wasted drawing and application work later.
Questions People Usually Ask Next
Does prior approval mean I do not need to involve the council?
No. Prior approval exists precisely because the council still needs to assess specified matters before work proceeds.
Is prior approval always easier than planning permission?
Not always. It can be more limited in scope, but the route still needs to be satisfied carefully and the wrong assumptions can cause delay.
What should I do if I am not sure which route applies?
Treat the route question as the first decision, then use the matching guide or tool before commissioning the wrong evidence package.
Need A More Case-Specific Steer By Email?
If this FAQ answers the broad process question but your own case still turns on the details of the project, the property or the local authority area, send over the facts for a more tailored plain-English steer.
Best for
Borderline, location-sensitive or awkwardly specific cases where a broad page is useful, but not quite enough on its own.
What the reply aims to do
Best when a broad guide has narrowed the issue but the live answer still depends on the details of your site, design or local authority area.
What to include
Property type, council area, location, the change you want to make, approximate dimensions, relevant heritage or flat-related details, previous additions and the main concern.
Important: Replies are informational personalised guidance based on the details you provide and publicly available information. They are not formal legal, architectural, surveying or council advice. Site-specific or borderline cases may still need checking with the local authority or a qualified specialist before drawings, applications or contractor spend move ahead.
Your enquiry details are used to respond to your request. Anonymised themes may be used to improve guides, tools, FAQs and site content. Identifiable case details are not published without permission, and sending an enquiry does not sign you up to marketing emails. Privacy notice.
When This Page Helps Most And When To Go Further
Best when
This page works best when the uncertainty is about process, evidence, permissions or one narrow planning definition rather than a full project design.
Go local when
Conservation areas, listed status, Article 4 or one specific council are the reasons the answer may change in practice.
Escalate when
If the proposal is close to a hard limit or the consequences matter financially, use the matching guide, tool or formal check rather than relying on a summary answer alone.
Use This Answer Properly
Planning answers change when a proposal is close to a limit, the property has special controls or the site history has already used development allowances. Use this page as a practical briefing note, not as a final permission decision, and verify the position formally if the financial, timing or design consequences of being wrong are meaningful.