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Outline vs Full Planning Application | Studio Charrette Expert Planning Consultants, Architects, & Builders
The planning process can seem daunting, especially when it comes to deciding whether to submit an outline planning application or a full planning application. Studio Charrette are expert planning consultants, architects, and builders who regularly guide clients through this intricate web of rules, regulations, and best practices. Understanding the difference between these two application types will help you approach your development project with confidence, clarity, and the best chance of gaining approval.
What Is a Planning Application?
A planning application is an official request to the local planning authority (LPA) seeking permission to carry out building work or change the use of land or buildings. In the UK, most construction, extensions, and significant changes require planning permission—there are two main types: outline planning application and full planning application. Each serves a unique purpose and is designed for different stages and complexities within development projects.
The Outline Planning Application Explained
An outline planning application is intended to establish whether the scale and nature of a proposed development would be acceptable to the local planning authority before a fully detailed proposal is put forward. Think of it as the first step—testing the water—before committing to detailed architectural designs and significant investments.
Key features of an outline application:
- Seeks approval of the principle of development on a specific site
- Usually accompanied by minimal drawings and supporting statements
- Detailed matters (“reserved matters”) are submitted at a later stage
- Enables the applicant to ascertain likely acceptability before incurring the full costs of detailed design work
- Can cover issues such as access, scale, layout, landscaping, and appearance, either at the initial stage or reserved for subsequent approval
Reserved Matters in Outline Applications
Generally, outline applications leave some matters to be resolved later—these are known as “reserved matters”:
- Access: How people and vehicles enter and leave the site
- Appearance: Visual aspects and architectural design
- Landscaping: Landscaping, green space, planting, and features
- Layout: The way buildings, routes, and open spaces are arranged
- Scale: The size of the proposed development, including a range of heights or floorspace
You can choose to provide information on any or all of these details as part of the outline application, or leave them to be addressed through a subsequent “reserved matters” application.
The Full Planning Application Explained
A full planning application is, as the name implies, a detailed and comprehensive submission. It requires the applicant to provide all details regarding the design, scale, materials, and layout of the proposed development. This is the appropriate route if you have already finalised your design and are ready to proceed with the project, or if you wish the LPA to consider the entire proposal in one go.
Key features of a full planning application:
- All design aspects are finalised and submitted for approval
- Accompanied by detailed drawings, plans, and supporting documents
- Assessed in its totality—no matters are reserved for later consideration
- Gives “permission to proceed” on site, subject to any conditions attached to the approval
- Includes specifics on external appearance, landscaping, access, and the effect on neighbouring properties
Comparing Outline and Full Planning Applications
Understanding the distinctions between outline and full planning applications is critical for successful project delivery. Though both are part of the same system, your choice can greatly affect the timing, cost, and flexibility of your development.
Outline Application:
- Lower upfront costs—detailed plans not required at the outset
- Ideal for assessing the principle of development before preparing expensive full designs
- Facilitates early discussions and negotiation with the LPA
- More flexibility for developers, especially when selling sites ‘subject to planning’
- Requires a second application later (‘reserved matters’) before development can begin
Full Application:
- Greater upfront investment in drawings, surveys, reports, and design
- Suited to projects where the developer intends to build themselves or quick commencement is required
- No further applications required after approval, barring discharge of conditions
- May be favoured for smaller projects (extensions, householder developments) or when design certainty is needed
Decision-Making: Which Application Should You Choose?
Choosing between outline and full planning applications hinges on several factors:
- Stage of Project: Are you ready to proceed with detailed designs, or do you want to confirm the principle of development first?
- Site Uncertainties: Are there uncertainties over the suitability of the site, local plan policies, or access/highway issues?
- Cost Considerations: Do you wish to reduce upfront costs until you know if development is feasible?
- Ownership and Disposal: Is your intent to gain permission and sell the site, or to develop it yourself?
- Complexity of Proposal: Is the proposal routine or does it involve unique or sensitive context (such as listed buildings or conservation areas)?
Studio Charrette’s experienced team can assist you in weighing these points to arrive at the optimal approach for your individual circumstances.
Application Content: What’s Required?
While both types of application require a certain amount of information, the level of detail differs greatly:
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Outline Application typically requires:
- Site location plan
- Application form
- Supporting statement (explaining the proposal and its compliance with policy)
- Basic block plans or illustrative layouts
- Fee payment
- Any required surveys (e.g., ecology, transport if relevant)
-
Full Application typically requires:
- Comprehensive set of detailed plans (site, block, floor, elevation plans)
- Design and Access Statement (for certain sites or developments)
- Materials specification
- Full suite of supporting documents, such as flood risk, transport, ecological, arboricultural reports
- Fee payment
It is important to check the LPA’s local validation requirements, as there may be additional documents necessary depending on the proposal and local policies.
Processing Timescales
Decisions on outline and full planning applications are usually made within eight weeks of validation for smaller schemes, or thirteen weeks for major developments. However, an outline application followed by a reserved matters application will inevitably take longer overall, as each stage requires assessment and statutory consultation.
Costs and Fees
The fee for both outline and full planning applications is calculated based on the type and scale of development. While the initial fee may be similar, an outline application doesn’t include the full costs of preparing detailed drawings and assessments, thereby reducing upfront financial risk. However, you will incur additional costs at the reserved matters stage. Full applications, though more costly to prepare, can realise time savings by avoiding a two-stage approach.
Risks and Pitfalls
Misunderstanding the distinction between outline and full application can lead to costly mistakes:
- Submitting insufficient information with an outline application may lead to invalidation or delays
- Assuming outline approval equates to guaranteed final consent—reserved matters can still be refused
- Choosing the wrong route for your situation may waste resources or restrict future design flexibility
It’s highly advisable to engage planning professionals like Studio Charrette to review local policies, advise on application type, and prepare robust, policy-compliant submissions.
Case Study: Outline vs Full Planning Scenarios
Example 1: Greenfield Housing Proposal
A landowner seeks to know whether residential development is acceptable on their field on the edge of town. They submit an outline application with indication of the number of dwellings, access arrangements and illustrative layouts, reserving matters on appearance, landscaping, and detailed layout. On receiving outline consent, they market the site
