When a UPRN changes: merges, splits, and why your address “moves”
A UPRN is a stable identifier for an addressable unit until authorities split or merge units. EPC and some datasets key off UPRN. A change can look like “w…
Published: 16 Apr 2026 · Updated: 16 Apr 2026 · 4 min read
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A UPRN is a stable identifier for an addressable unit until authorities split or merge units. EPC and some datasets key off UPRN. A change can look like “wrong data” when it is actually a key migration.
What buyers should do
Compare title address, council tax, and energy certificate address lines. Ask the agent if a recent subdivision occurred.
Owners
If you convert a house to flats, expect new identifiers. Keep correspondence from the authority as Documents.
General information only.
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