Link a Building Photo to a Valuation Office Map and Field Book
By ImgHeal · Updated
A valuation map and its related field book can add property context to an old building photograph. They must be linked correctly. Start with the historical locality and parcel, and keep a survey description separate from proof that the image shows that property.
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Choose the correct survey and locality
Confirm that the place falls within the records described by the relevant guidance. The National Archives explains its Valuation Office Survey holdings and directs researchers to other custodians for other jurisdictions. Record the map series and geographical coverage rather than searching only a modern street address. Similar map scales or catalog terms can belong to different projects. Retain any evidence connecting the historical address to a present location so a later reviewer can reproduce your proposed parcel match.
Carry the parcel reference into the field-book search
Inspect the map key and note the identifier that the survey uses to connect a plotted property with its textual information. Follow the repository's instructions for finding the corresponding field book. Keep the map and book references together. Read the actual headings and distinguish owner, occupier, description, and valuation information as the record presents them. A nearby number on the map may refer to another system or parcel, so do not select a book solely because its number looks similar.
Compare documented property context with the image
Use the record to test the proposed site, then compare independent visual features such as building arrangement and surroundings. A field-book description may be approximate, incomplete, or made at a different date from the photograph. It does not prove the identities of people standing outside. Preserve an adequately wide map extract and the relevant textual entry with your source scan. State the degree of confidence in the building link, and do not reconstruct a missing wing or sign simply to make the photo agree with the survey.
Keep the evidence trail usable
- Check jurisdiction and survey identity.
- Keep map and field-book references paired.
- Separate property description from image identification.
Sources and further reading
- The National Archives: Valuation Office SurveyExplains the survey's maps, field books, identifiers, and finding routes.
Questions about this restoration task
Can a map number alone identify the pictured building?
No. Check the map's numbering system, the corresponding field book, and independent location evidence before accepting the match.
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