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Leasehold

As explained in The Well-Grounded Data Analyst

A leasehold is a property tenure in which rights to occupy or use a property and its structure are held for a defined lease period, usually subject to fees.

A leasehold is a property tenure in which the occupier holds rights to the structure for a defined period but does not own the land beneath it. Leaseholders may pay additional fees and need to renew an expiring lease. section 10.4.1

When analyzing property transaction data:

  • Treat leasehold as a category in a duration field rather than as a property type. section 10.4.1
  • Compare its frequency with freehold properties as a basic distribution sanity check. section 10.4.1
price_paid["duration"] = (
    price_paid["duration"]
    .map(
        {
            "F": "Freehold",
            "L": "Leasehold"
        }
    )
)

price_paid["duration"].value_counts()

Maps duration codes to readable Freehold and Leasehold labels, then counts each category. section 10.4.1

How The Well-Grounded Data Analyst covers it

How deep it goes
Defines leasehold through land ownership, fees, and lease renewal, then stops at categorical recoding and counts.
Examples
Maps L to Leasehold and F to Freehold in a duration column, then compares their counts.
What it assumes
Assumes familiarity with tabular property data and categorical values; does not teach lease law or tenure contracts.
What you can do after
Evaluate property-tenure distributions by recategorizing duration values and inspecting their counts.
How it connects
Links leasehold to freehold, property type, and new-build status in property-data exploration.

Related concepts

This explainer was generated by Manning's knowledge graph from the text of The Well-Grounded Data Analyst. The section links point to the parts of the book it draws on.