New data highlighted by the BBC shows a marked decline in tenants specifically searching for "pet friendly" rental properties since reforms strengthening renters' rights to keep pets came into force. On the surface, this looks like a minor behavioural quirk of portal search terms. In practice, it signals a structural shift in how the private rented sector treats one of the most contentious clauses in any tenancy agreement — and it has material consequences for landlords, letting agents and investors across every UK region.