Field Reports
Field reports from UK letting-agent complaint handling
Field Reports is Casebriar’s evidence-led analysis of what UK letting agents are seeing in live tenant complaints. We separate published evidence from recurring operational themes, explain what the evidence can and cannot prove, and share practical implications for agencies.
What Field Reports are
Each report takes one tightly defined topic and asks what is actually known about it across the sector: what has been published, what agents are reporting, what has been measured, and what hasn’t. Every report states its sources, the period and geography it covers and the limits of its evidence, so it can be judged and cited on its method.
- Field Reports answer “what are we seeing or measuring across the sector?”
- Guides to handling tenant complaints answer “what should a letting agent do?”, step by step.
- Complaint software for letting agents explains what Casebriar does and who it helps.
Latest report
AI-generated tenant complaints in UK lettings: the state of play in 2026
Letting agents say tenants are using AI to write longer, more legalistic complaints. This report brings together what has been published since late 2025, separates reported observations from measured data, and sets out how we plan to fill the gap. It’s for letting agents and property managers, and for journalists and researchers covering the sector.
Key findings
- Agents and their trade body have been reporting AI-written tenant complaints since at least December 2025, but only as observations. We found no published count.
- The published numbers are about complaints in general, not AI: the Housing Ombudsman made 7,082 determinations in 2024–25, up 30%, and didn’t attribute that to AI.
- Academic research has documented AI-driven surges in submissions to government services, but not in UK lettings specifically.
All reports
Published and in preparation
- AI-written complaints · AI-generated tenant complaints in UK lettings: the state of play in 2026What agents and their trade body have reported since late 2025, the numbers that exist and what they don’t show, what nobody has measured yet, and our plan to measure it.
- Repairs and hazards · In preparationDamp and mould complaintsHow damp and mould complaints are put, and the records that settle them.
- Complaint handling · In preparationDelays in responding to tenant complaintsWhere complaint responses slow down, and what that costs at the redress schemes.
- Renters’ Rights Act · In preparationThe Renters’ Rights Act in tenant complaintsWhich parts of the Act complaints rely on, and where they get the dates or the scope wrong.
- Legal claims · In preparationLegal claims in tenant complaintsThe statutes complaints cite most, and how often the claims hold up.
- Records and evidence · In preparationEvidence gaps in complaint filesThe records agencies find they don’t have when a complaint arrives.
Methodology and editorial standards
Our reports draw on published evidence and, where a report says so, anonymised conversations with UK letting agents and property managers and our own surveys. We state the period covered, source type, geography, sample where available, and the limits of the evidence. Reports are general information, not legal advice.
- Observations are labelled as observations. What agents report is kept apart from what has been counted or measured.
- Every number has a source. We link to the original, primary sources first, and leave out figures we can’t trace.
- Complaint data stays private. We never use the content of complaints put into Casebriar; it belongs to the agencies using it.
- Law is linked, not paraphrased from memory. Legislation links go to legislation.gov.uk, and guidance to its publisher.
- Changes are dated. When a report changes, its updated date changes and the report says what’s new. Addresses stay the same, so citations keep working.
Journalists and researchers can contact us at support@casebriar.com.
Answering tenant complaints now? Casebriar separates each complaint into its issues, checks every legal claim against legislation.gov.uk and lists the records you need. See complaint software for letting agents.
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