How to check planning restrictions before buying

Start with the proposal and the address

A useful planning check describes both the property and the intended work. An extension, a change of use and replacement windows raise different questions. A general area map cannot decide whether all of them are permitted. Write a short factual description, locate the building and identify the local planning authority. If the plot crosses a boundary or the postcode serves several buildings, record that ambiguity. The result of this first step is an evidence file linked to a specific location and proposal, rather than a statement that the whole postcode is unrestricted.

Reference: Official planning register finder · checked 6 November 2026.

Find the local planning register

GOV.UK links to local council planning services using a postcode. The council register is the place to look for the history of applications and their documents. An entry marked approved is not a substitute for reading its decision notice and drawings. Search using plausible address variations and, where relevant, neighbouring land. A national dataset can help reveal a designation but may omit local documents or older records. This article does not scrape a council register or certify that a search has found every application. Record the authority and search date beside the application references you identify.

Reference: When permission is required · checked 6 November 2026.

Separate layers from decisions

A conservation area boundary, an Article 4 direction and a listed building record describe different forms of control. They are not interchangeable labels for planning refusal. A map overlap is a prompt to read the underlying record and its scope. Similarly, a site outside one mapped designation may still be subject to planning conditions or other permissions. Keep one line per source in your notes: designation, geographic extent, document date and outstanding question. Where our layer returns no result, the correct interpretation is that no feature was returned by that dataset, not that the proposal has been approved.

Reference: Householder technical guidance · checked 6 November 2026.

Read conditions and drawings together

An existing permission relates to the development described in its documents. Its conditions, approved plans and later decisions may matter to the question being investigated. A photograph of a completed extension does not establish what permission covered it, and a neighbour's permission does not automatically apply to your property. Comparing a drawing with the building can identify a question for the council or conveyancer without making a legal conclusion. Keep the application reference intact so another person can retrieve the same record. Do not replace the decision notice with a short summary from a property listing.

Reference: Official planning register finder · checked 6 November 2026.

Understand the limits of permitted development

Some development can proceed under permitted development rights, subject to conditions and limitations. The official England guidance explains the framework and how rights can be restricted. The existence of that framework does not establish that an individual project satisfies it. Property type, earlier works, location and the exact proposal can change the analysis. A brief checklist on this site cannot resolve all of those facts. If certainty is needed for a transaction or planned work, the appropriate council process and professional assistance concern the actual proposal, rather than an automatic answer generated from a postcode.

Reference: When permission is required · checked 6 November 2026.

Keep planning separate from other checks

Planning permission does not stand in for every other property check. Building control, title restrictions, lease requirements and physical condition are separate subjects. A buyer may therefore have several open questions even after locating an approved application. Organise them by the body or professional who can address them, and keep unresolved items visible. This avoids making one favourable map layer appear to answer a much larger question. No feature of this page sends an application, pays a council fee or obtains consent on the user's behalf. The map is a navigation aid for public evidence.

Reference: Householder technical guidance · checked 6 November 2026.

Build a record that can be checked again

Open the postcode below, locate the site and follow the relevant official links. Save the title and date of the source rather than only a screenshot of a coloured shape. A later reader should be able to distinguish a national layer, a local register entry and your own observations. For Wales, use the relevant Welsh guidance and local planning authority; the England technical guidance linked above should not be assumed to apply unchanged. A complete file can still contain unanswered questions. Labelling those gaps is more useful than a broad claim that there are no restrictions.

Reference: Official planning register finder · checked 6 November 2026.

Official source record

• Official planning register finder · checked 6 November 2026
• When permission is required · checked 6 November 2026
• Householder technical guidance · checked 6 November 2026

Source publication and effective dates may differ from the date checked. Follow the current official page for updates.