45-degree rule

proper noun

A planning rule stating that extensions to a property must be set within a 45-degree line from the middle of the windows of neighbouring properties.

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Meanings

proper nounthe 45-degree rule
  1. A planning rule stating that extensions to a property must be set within a 45-degree line from the middle of the windows of neighbouring properties.
Cite this entry
APA

45-degree rule. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/45-degree%20rule

MLA

“45-degree rule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/45-degree%20rule. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “45-degree rule,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/45-degree%20rule.

Source: 45-degree rule on Wiktionary, CC BY-SA 4.0.