Land Referencing Standard
Glossary of technical terms
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The SoLR Land Referencing Glossary of Technical Terms brings together terminology used across the profession, including specialist expressions, abbreviations and commonly used jargon. It is intended as an advisory resource and is not legally definitive or exhaustive. Entries may be updated as professional practice develops.
We welcome suggestions for new terms, corrections and improvements. Please contact hello@solr.org.uk.
1 term found
ad medium filum
A rule or legal convention that presumes that a) the owner of land fronting a road is the owner of the soil up to the halfway point of the road, with the surface of the public highway, if publicly maintainable, vesting in the highway authority; and b) the ownership up to the halfway point passes by any transfer of the land fronting the road - see ‘frontage’
Related terms: frontage
Updated: 01/10/2026