What is EPC open data compared with certificate PDFs?

Why this matters

Open EPC datasets help analytics but may trail the latest lodged certificate; always validate material facts with the authoritative PDF near completion.

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.