This week's edition of Property Disputes weekly highlights includes: amendments to court and tribunal fees, High Court decisions concerning a challenge to the appointment of a fixed charge receiver, mitigation of loss after breach of a sale agreement, solicitors’ duties to verify and supervise the use of AI, and a case concerning premiums on lease assignment. It also includes Upper Tribunal decisions regarding a transfer that went beyond Tomlin Order provisions, and non-compliance with HMO licensing, the introduction of landlord fines for failure to remedy serious hazards and a revised Housing Health and Safety Rating System under the Renters' Rights Act 2026, and the Welsh Government’s publication of a suite of guidance on higher-risk buildings and building control requirements.