Square metres need a common measuring rule
Editorially approved · Sources checked 1 November 2026

References

Royal Institution of Chartered Surveyors (RICS) (n.d.-a) Code of measuring practice: editions and measurement basis. Available at: https://www.rics.org/profession-standards/rics-standards-and-guidance/sector-standards/real-estate-standards/code-of-measuring-practice (Accessed: 1 November 2026).

Royal Institution of Chartered Surveyors (RICS) (n.d.-b) International Property Measurement Standards. Available at: https://www.rics.org/profession-standards/rics-standards-and-guidance/sector-standards/real-estate-standards/international-property-measurement-standards (Accessed: 1 November 2026).

Royal Institution of Chartered Surveyors (RICS) (2023) Comparable evidence in real estate valuation. 1st edn, originally published 2019; reissued 2023. Available at: https://www.rics.org/profession-standards/rics-standards-and-guidance/sector-standards/valuation-standards/comparable-evidence-in-real-estate-valuation (Accessed: 1 November 2026).

Further reading (not necessarily consulted in full)

Blackledge, M. (2017) Introducing Property Valuation. 2nd edn. Routledge.
https://www.routledge.com/Introducing-Property-Valuation/Blackledge/p/book/9781315680804

Shapiro, E., Mackmin, D. and Sams, G. (2019) Modern Methods of Valuation. 12th edn. Estates Gazette.
https://www.routledge.com/Modern-Methods-of-Valuation/Shapiro-Mackmin-Sams/p/book/9781315145419

Chudley, R., Greeno, R. and Kovac, K. (2024) Chudley and Greeno’s Building Construction Handbook. 13th edn. Routledge.
https://www.routledge.com/link/link/p/book/9781032492902