Deritend Investments (Birkdale) Limited v Fung Tai Engineering Company Limited

Decision date: 30 September 2025

Neutral citation: [2025] UKUT 324 (LC)

Overall AI summary confidence: medium

AI Notice: Any short overview, ratio decidendi summary or obiter dicta summary shown on this page is AI-generated, provided only to help users assess potential relevance more quickly, and may be wholly inaccurate. No liability is accepted for the accuracy of any such summary, regardless of any AI confidence rating shown. Users should check the underlying decision and obtain appropriate legal advice rather than relying on any summary.

Short overview

This short overview is intended to summarise the case, issues and outcome so far as they are supported by the judgment.

AI confidence in this short overview: medium

This appeal concerned the correct premium for a statutory lease extension of Flat 2E, Hyde Park Mansions (valuation date 6 October 2023; 54.71 years unexpired). The FTT started from a February 2024 open‑market sale, adjusted it for Act rights and for time, used six on‑estate transactional comparables with percentage adjustments and equal weighting to derive extended‑lease and FHVP figures, and fixed a premium of £159,000. The Upper Tribunal reviewed the paper record and dismissed the appeal.

Ratio decidendi

This summary is intended to identify the ratio decidendi, meaning the legal reasons for deciding and the binding part of the decision.

AI confidence in this ratio decidendi summary: medium

From the judgment as reported in the notes, a post‑valuation open‑market sale may be used as a starting point for valuing an existing lease provided it is adjusted to reflect the statutory assumptions (for example the absence of Act rights) and for the passage of time, subject to the tribunal’s assessment of the reliability of the evidence; likewise, tribunals may apply percentage adjustments for factors like floor level, lift provision and modernisation to transactional comparables and may adopt equal weighting where they consider the comparables broadly comparable.

Obiter dicta

This summary is intended to identify obiter dicta, meaning observations made by the way that were not necessary to deciding the case and are not binding.

AI confidence in this obiter dicta summary: medium

The notes identify commentary suggesting that market awareness of lease‑extension rights and general housing‑market conditions can influence relativity between short‑lease and extended‑lease values, and that equal weighting of comparables is a permissible tribunal approach even when experts advocate excluding certain transactions. These points are presented as non‑binding observations rather than determinative holdings.

Warning

Some passages contain typographical errors and minor inconsistencies (eg. sale prices and references to "relativity"); the text is slightly noisy. Some passages of the notes contain typographical errors and minor inconsistencies; the judgment is slightly noisy and may not record all reasoning or detail from the full judgment.