Information is inaccurate on https://in.style.yahoo.com/7-gardening-laws-didn-apos-141507818.html

HM Land Registry cannot help with boundary disputes. If you're having a boundary dispute, you need to contact the Royal Institution of Chartered Surveyors (RICS) for help.

http://www.rics.org/uk/knowledge/consumer-guides/boundary-disputes-guide/

Currently states:
6. Creating fences and boundaries

Issues regarding boundaries can be tricky to resolve. The house deeds should indicate who owns fences and is responsible for boundaries (although there is no legal responsibility to keep boundaries well maintained, unless the deeds state otherwise). But boundaries can move over time and cause disputes later. You may need to contact HM Land Registry for help with boundary disputes.

Should state:

1. Creating fences and boundaries

Issues regarding boundaries can be tricky to resolve. The house deeds should indicate who owns fences and is responsible for boundaries (although there is no legal responsibility to keep boundaries well maintained, unless the deeds state otherwise). But boundaries can move over time and cause disputes later. You may need to contact RICS for help with boundary disputes.