How to Find Old Planning Permission

Need to access historical planning records? MJ Electrical explains how to find old planning permission and how far back planning records are held in the UK.

Old planning records can be useful for a range of reasons — whether you're renovating, challenging a neighbour’s development, or checking a property's history. But knowing where to start can be tricky. Here's how to find old planning permission records in the UK and what you need to know before you begin.

Search the Register of Planning Decisions

Most councils in the UK maintain an online planning register. These databases include decisions on applications — approved, refused, or withdrawn. To search:

  1. Visit your local council’s planning portal.

  2. Use the address, planning reference number, or postcode.

  3. Filter by date range if the system allows.

Recent applications (typically from the last 10–15 years) are usually easy to access online. For anything older, you may need to dig a bit deeper.

What You Need to Know About Finding Old Planning Permission

  • You’ll need details: Knowing the property address is essential. A planning reference number helps but isn’t always necessary.

  • Records may not be digital: Older applications (pre-2000s) are often stored as paper files or on microfiche, not online.

  • Not all records are complete: Some local authorities may have gaps, especially for very old files or if records were damaged or lost.

  • Expect delays: Retrieving archived information can take time — days or even weeks — especially if manual retrieval is required.

Can I View Planning Applications From Decades Ago?

Yes — but availability depends on the council and how far back their records go. Many councils keep records for 20–30 years, and some go back even further. For example:

  • Digital records: Often cover the last 10–15 years

  • Paper archives: Can go back to the 1940s or earlier

If you're researching a property with a long history, contacting the council’s planning department directly is usually the best route.

You might also be able to request files in person at the local council offices or order copies of plans and decisions (sometimes for a fee).

Step-by-Step Guide on How to Find Old Planning Permission

  1. Identify the local council
    Use the postcode to find the correct local authority.

  2. Search online planning register
    Start with the planning section of the council’s website.

  3. Use key details
    Input the property address, postcode, or known application number.

  4. Check results by date
    Narrow your search if possible. Look for decision notices, application forms, and drawings.

  5. Contact the planning team
    If records aren't online, contact the planning department to request access to paper files or microfiche archives.

  6. Submit a formal request (if needed)
    You may need to complete a form or submit an email with full details, especially for very old applications.

  7. Visit in person
    Some councils allow public viewing of archived files by appointment.

How Far Back Are Old Planning Permission Records Held?

It varies by council. Generally:                         

  • Digitally: Around 10 to 20 years

  • Paper/microfiche: Potentially as far back as the 1940s

  • Building Control records: May also provide useful details and can go further back in some cases

Councils aren’t legally required to keep records forever, but many hold historical archives for reference. The depth of information (e.g. site plans, conditions, officer reports) will vary depending on the era and how the council managed records at the time.

Check Building Control Records Too

Sometimes, if planning permission documents are missing, building control records can fill in the gaps. These might include details of construction work, structural changes, or inspections — even when planning permission files are incomplete or lost.

Historic Environment or Local Archives

Some older planning records — especially for listed buildings or conservation areas — might be held by your local archives, library, or Historic Environment Record (HER). They often have detailed maps, planning decisions, and related documents going back decades.

Land Registry Plans

While not planning documents, Title Plans from the Land Registry may reference past planning applications, extensions, or boundary changes. These can give you leads, especially for developments on older properties.

Freedom of Information (FOI) Request

If you’re hitting a wall with the council, you can file a Freedom of Information request. Councils must respond within 20 working days, and it may help uncover archived files not readily available to the public. Be specific with dates, addresses, and what you're requesting.

Use Historical Maps and Aerial Photos

Changes to buildings over time can sometimes be spotted through old OS maps or aerial photography services like Google Earth’s timeline feature. This doesn’t replace planning records, but it helps estimate when work was done — which can guide your request for documents.

Professional Help

If the search is part of a legal matter or major renovation, consider using a planning consultant or conveyancer. They often have access to more specialised tools and contacts within local authorities.