A property can appear to be an excellent development opportunity until its planning position is examined more closely.
The size of the site, its location and even previous development nearby may suggest that significant development is possible. However, planning policy, site constraints, previous decisions and the surrounding environment can all affect what can realistically be achieved.
A planning appraisal provides an opportunity to investigate these issues before a developer or property owner commits significant time and money to a project.
Rather than simply asking whether planning permission can be obtained, a good appraisal considers where the opportunities are, where the risks lie and how the property could potentially be developed.
What Is a Planning Appraisal?
A planning appraisal is an early assessment of the planning circumstances affecting a property, site or proposed development.
It can help establish:
- The site’s planning context
- Relevant planning policies
- Previous planning decisions
- Existing permissions
- Potential development opportunities
- Key planning constraints
- Issues that may affect a future application
- The likely direction of a planning strategy
It is not a guarantee that planning permission will be granted.
Instead, it provides an informed assessment that can help a property owner or developer make better decisions before progressing further.
The Hidden Planning Story Behind a Property
A property’s physical appearance does not always reveal its planning potential.
Two neighbouring sites can look almost identical but have very different planning prospects because of differences in:
- Planning history
- Land designation
- Existing use
- Site boundaries
- Access
- Heritage status
- Environmental constraints
- Relevant planning policies
This is why simply looking at what has been built nearby may not provide a reliable indication of what can be developed on a particular site.
A planning appraisal looks beyond the property itself and considers the wider planning context.
What Can a Planning Appraisal Reveal?
A detailed appraisal can help identify both opportunities and warning signs.
Existing Planning Permissions
Existing permissions should be reviewed carefully to establish what has already been approved and whether there are conditions or limitations that could affect the development.
Previous Applications
Planning applications and decisions can reveal how the local planning authority has responded to proposals involving the property.
A previous refusal may highlight an issue that needs to be addressed, while an earlier approval may provide useful context for a future proposal.
However, planning decisions are specific to the circumstances of each application and should not be treated as automatic precedents.
Planning Policy
The relevant development plan and other planning policies can influence whether a proposed development is acceptable.
Depending on the location and type of project, this may involve policies concerning:
- Housing
- Design
- Density
- Green Belt
- Heritage
- Transport
- Employment
- Landscape
- Flood risk
- Environmental protection
Understanding these policies early can help prevent a development strategy from being built around an unrealistic assumption.
Planning Constraints That Could Change the Development Strategy
A planning appraisal can identify constraints that may affect the scale, design or type of development being considered.
These may include:
Green Belt
Green Belt policy can significantly influence the prospects of new development and may require a different planning strategy from sites outside the Green Belt.
Heritage
Listed buildings, conservation areas and other heritage considerations can affect alterations, extensions and new development.
Flood Risk
Flood risk can influence whether land is suitable for certain types of development and what supporting information may be required.
Highways and Access
The availability and suitability of access can be fundamental to development potential.
Neighbouring Amenity
A proposal may need to take account of issues such as privacy, overlooking, daylight, sunlight, outlook and the relationship with neighbouring properties.
Trees and Ecology
Protected trees, habitats and ecological considerations can affect site layout and the timing or scope of development.
A Planning Appraisal Can Change What You Decide to Build
One of the most valuable outcomes of an appraisal is that it can challenge the developer’s initial assumptions.
A purchaser may initially intend to build several houses, for example, but the planning assessment may suggest that a smaller development would be more realistic.
Alternatively, an existing building may have potential for conversion or an alternative use that was not originally considered.
The appraisal therefore does not simply ask:
“Can I build what I want?”
It asks:
“What development best fits this site and its planning circumstances?”
That shift can lead to a more realistic and potentially more successful development strategy.
Planning Appraisal Before Buying a Property
A planning appraisal can be particularly valuable when undertaken before purchasing a property or development site.
If the purchase is being made primarily because of its perceived development potential, the planning position should be investigated before relying on that assumption.
An appraisal may help a purchaser understand:
- What development may be possible
- What restrictions could apply
- Whether previous applications raise concerns
- Whether the intended use is compatible with planning policy
- What further investigations may be necessary
- Whether the proposed purchase still makes commercial sense
This can provide useful information during the decision-making and negotiation process.
Planning Appraisal vs Planning Permission
A planning appraisal should not be confused with planning permission.
Planning permission is the formal authorisation for a particular development.
A planning appraisal takes place earlier and assesses the circumstances surrounding a proposed development.
This makes it particularly useful when a developer is still deciding what to build, whether to purchase a property or how to approach a site.
When Should You Obtain a Planning Appraisal?
There is no need to wait until detailed architectural drawings have been prepared.
A planning appraisal can be useful at the earliest stages of a project, particularly when:
- Buying development land
- Considering a property conversion
- Exploring a new-build project
- Assessing an extension
- Considering a change of use
- Investigating a site with previous refusals
- Exploring development opportunities on an existing property
- Reviewing whether an investment opportunity is worth pursuing
The earlier potential problems are identified, the more options the developer may have for dealing with them.
From Planning Appraisal to Development Strategy
A planning appraisal should ultimately help inform what happens next.
Depending on the findings, the next stage could involve:
- Refining the development concept
- Commissioning specialist surveys
- Developing architectural plans
- Seeking pre-application advice
- Preparing a planning application
- Considering alternative development options
- Reassessing the viability of the project
The appraisal therefore provides a foundation for making decisions rather than simply producing another planning document.
Why a Planning Appraisal Can Protect Your Investment
Planning problems can become considerably more expensive once a project has progressed.
By identifying potential issues early, property owners and developers can avoid investing heavily in a scheme that may require substantial changes.
A planning appraisal can help you:
- Understand the site’s planning position
- Identify opportunities
- Detect potential risks
- Challenge assumptions about development potential
- Consider alternative development options
- Plan further investigations
- Make better-informed investment decisions
In some cases, the most valuable conclusion may be that the original proposal needs to change.
Speak to Charrette Law About a Planning Appraisal
Whether you are considering purchasing a development site or exploring what can be achieved with a property you already own, understanding its planning position should be an early priority.
Charrette Law can assist property owners, developers and investors with planning matters, helping them identify relevant planning considerations, opportunities and potential risks before progressing with a proposed development.
A well-prepared planning appraisal can provide the clarity needed to decide whether to proceed with a proposal, adapt it or explore a different development strategy.
Frequently Asked Questions
What is a planning appraisal?
A planning appraisal is an assessment of the planning circumstances affecting a property or development site. It considers planning policy, planning history, potential opportunities and constraints.
What is the difference between a planning appraisal and a planning application?
A planning appraisal assesses development potential and planning considerations at an early stage. A planning application is a formal submission seeking permission for a specific development proposal.
Should I get a planning appraisal before buying land?
It can be beneficial, particularly where the value of the purchase depends on future development. An appraisal can help identify planning risks and opportunities before you commit to the acquisition.
Can a planning appraisal guarantee planning permission?
No. A planning appraisal cannot guarantee an outcome. It provides an assessment of the planning position and helps identify factors that may influence a future application.
Can a planning appraisal identify alternative development opportunities?
Yes. One of its benefits can be identifying alternative uses, layouts or development approaches where the original proposal may face planning difficulties.
Who can benefit from a planning appraisal?
Property owners, developers, investors and prospective purchasers can all benefit where they need to understand the planning potential and risks associated with a property or site.
