Begin with the property identity

Create a research sheet containing the address as supplied, postcode, building or unit name and any source references already known. Keep address variations visible. A flat, its parent building and a neighbouring plot may appear in related searches without being the same property.

Before copying a result into your file, compare its description with the property you intend to research. Mark uncertain matches and keep them separate from confirmed ones. This first step is deliberately cautious: a well-organised file about the wrong unit is still the wrong file. Save the source link and access date with each accepted record so another researcher can repeat the check.

Use title information for its stated purpose

HM Land Registry's property-information service covers England and Wales. Its guidance describes property summaries, title registers and title plans; a title register usually includes ownership and tenure-related information, while a title plan shows location and general boundaries. Scotland and Northern Ireland use different registers.

Record which document you obtained and the exact question it helps answer. Do not turn a general boundary depiction into a precise measured line. The service also distinguishes downloaded information from official copies used as proof of ownership. Where an entry raises a question about rights, restrictions or the extent of land, preserve that question for an appropriately qualified adviser rather than interpreting it as a green light for a project.

Build a dated planning history

Use the council planning register to look for records associated with the property. GOV.UK's register finder covers England and Wales. Save the relevant application references, proposal descriptions and recorded outcomes, then inspect linked documents where they help explain the history.

Arrange the findings chronologically and note connections between records. A proposal, a decision and a later related application are different pieces of evidence. Avoid compressing them into a single claim that work was completed. If the record does not establish implementation, mark that as unknown. Keep a separate question for any difference between the documented proposal and the property information you have been given.

Keep sold prices and energy certificates in context

HM Land Registry's Price Paid Data records qualifying sales in England and Wales submitted for registration. Its guidance explains exclusions, amendments and the delay between a transaction and its appearance in the data. Record the transaction date and property match. A missing recent entry is not proof that no sale occurred, and an old sale amount is not a current valuation.

The GOV.UK energy-certificate service covers England, Wales and Northern Ireland, with a separate service for Scotland. Match the certificate to the correct unit and record its date. Use its stated information to identify questions for further inspection; do not treat the existence of a certificate as confirmation of the property's current physical condition or assume that recommended works have been carried out.

Investigate differences between records

When two records appear to disagree, first check whether they describe the same property, at the same date and for the same purpose. A proposed layout and an earlier assessment need not describe the same arrangement. Preserve both records and write down the difference instead of selecting whichever version best supports your initial idea.

Identify what evidence would resolve the question. That might be a current inspection, a more recent document or clarification from the relevant professional. Give unresolved differences a visible place in the file. If a finding would materially affect a project decision, make the next step a suitable specialist check. A preliminary research file should show those dependencies clearly.

A hypothetical evidence file and next steps

Imagine a fictional researcher assessing an English house before a renovation discussion. The file contains a past sale record, an energy certificate and an approved extension proposal. None of those records establishes that the extension was built, that the certificate describes every current feature, or that the owner wants to sell.

The researcher creates three next questions: confirm the present layout, establish which design documents remain relevant, and clarify the purpose of the proposed renovation. The source documents stay attached to their own dates. This invented example shows how to turn public information into a useful brief without presenting assumptions as findings.

Finish your own file with a short evidence summary and a separate unresolved-questions list. Assign an owner and next check to each material gap. That makes the research useful to the next person, whether they are arranging a survey, reviewing a project brief or deciding which professional advice is needed.

  • Identity: which property and unit does each record describe?
  • Evidence: what does the linked source actually establish, and when?
  • Gaps: what remains unverified, and who can check it?

Sources & further reading

  1. GOV.UK: Search for land and property information Accessed 19 September 2026
  2. GOV.UK: Search the register of planning decisions Accessed 19 September 2026
  3. HM Land Registry: How to access Price Paid Data Accessed 19 September 2026
  4. GOV.UK: Find an energy certificate Accessed 19 September 2026