If you’re planning a home extension, renovation or new build, you may be wondering: what do I need for planning permission in the UK? This article outlines the key documents and requirements for a successful planning application, helping you avoid delays and costly mistakes.
Do I Need Planning Permission for My Project?
Before you prepare your application, check whether planning permission is needed at all. Many smaller projects—such as certain rear extensions or loft conversions—may fall under Permitted Development Rights and not require a full application.
If you’re unsure, a residential architect or designer can help assess your specific project.
Planning Permission Requirements: What You’ll Need to Submit
When submitting a planning application to your local authority, you’ll typically need the following:
1. Completed Application Form
This can be submitted via the Planning Portal or directly through your local planning department.
2. Location Plan
This shows your property and surrounding area, including nearby roads and neighbouring properties. It must meet Ordnance Survey standards.
3. Site Plan (Block Plan)
This more detailed plan outlines the position of existing and proposed structures, boundaries, access routes and landscaping on your property.
4. Existing and Proposed Drawings
To show how the property will change, you’ll need to include:
- Floor plans
- Elevations (front, side and rear)
- Roof plans (if applicable)
These must be drawn to scale and clearly labelled.
5. Design and Access Statement (if required)
This written statement is required for some projects, such as those in Conservation Areas. It outlines your design approach and how accessibility has been considered.
6. Supporting Reports (if relevant)
Depending on the scope and location of your project, your council may also request:
- Flood risk assessments
- Tree surveys
- Biodiversity impact reports
- Heritage statements
Your architect or planning consultant can advise what’s needed.
How Much Does a Planning Application Cost?
Planning application fees vary depending on the type and scale of the project. For most home extensions in England, the current fee is £528 (as of 2025).
How Long Does a Planning Application Take?
After you submit your application, your local planning authority will begin a consultation process and aim to issue a decision within 8 weeks for most household projects.
Full guide: How long does a planning application take?
Do I Need a Professional to Apply?
While you can submit a planning application yourself, working with a residential architect or designer can improve your chances of success. They’ll ensure your drawings meet local authority standards and advise on any issues early in the process.
Do I need an architect for a planning application?
Summary: Planning Permission Checklist for UK Homeowners
Here’s a quick overview of what’s typically required:
- Application form
- Location plan
- Site (block) plan
- Existing and proposed architectural drawings
- Design and Access Statement (if applicable)
- Supporting reports (if applicable)
- Fee payment
Need help with your application?
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