What determines a valuation fee and timescale? Editorially approved ยท Sources checked 1 November 2026 References Property Services Regulatory Authority (PSRA) (2023) Letters of engagement. Available at: https://www.psr.ie/licensees/letters-of-engagement/ (Accessed: 1 November 2026). Further reading (not necessarily consulted in full) Wyatt, P. (2022) Property Valuation. 3rd edn. Wiley-Blackwell. https://www.wiley.com/en-ie/property-valuation-3rd-edition-p-9781119767411