Legal value of LR Information

What is the legal value of land registry information delivered by your national system?

Certified information. Is the LR information partly or completely certified? If partly, could you please describe what specific information is certified?

Non certified information

Partly. Title is certified by the Land Registry but not boundaries.
Please note that not all land in Northern Ireland is yet registered and many properties are still governed by a Registry of Deeds system. The answers herein relate only to registered land.