What is HM Land Registry polygon data for boundaries?
Digitised extents versus title plan general boundaries and why conveyancers still read PDF official copies in England and Wales.
Published: 18 Apr 2026 · Updated: 18 Apr 2026 · 9 min read
Property Passport UK
See this information for your own home
Free address search across England and Wales. No account needed.
19.4 million searchable properties. EPC, flood risk, sold prices, planning, and more in one structured record per home.
Why this matters
Polygon products show extent geometry for registered estates but always align with title plan legends and general boundary principles.
England and Wales
Rules and practice differ elsewhere in the UK; use this guide as orientation before professional advice.
Documents
Prefer primary paperwork over screenshots where lenders or insurers may ask again later.
Using Property Passport UK
Start from the address on [Property Search](/search). When you own or manage the home, [claim your Property Passport](/claim/start) and upload Documents with clear dates and sources. Browse more explainers in the [Property Guides library](/guides). This article is general information, not legal, tax, mortgage, or survey advice.
Essential Property Data guides
Related guides
How to Read an HM Land Registry Title Plan: Boundaries, Colours and What It Doesn't Show
7 min read
HM Land Registry Price Paid Data: What's Included, What's Excluded and How to Use It
7 min read
HM Land Registry Price Paid Data: What It Shows (and What It Does Not)
8 min read
What to verify about HM Land Registry title plans versus physical boundaries: Buyer perspective (offer timing, mortgage readiness, and searches)
10 min read
What to verify about HM Land Registry title plans versus physical boundaries: Seller perspective (disclosure, material information, and chain management)
10 min read
What to verify about HM Land Registry title plans versus physical boundaries: Owner perspective (records, insurance, and long-term maintenance)
10 min readSearch any property in England & Wales
EPC ratings, flood risk, sold prices, and planning data — free, instant, no login required.