Housing paperwork about a cat is rarely really about the cat. A landlord or housing association is assessing risk to the property and to other residents, so the documents they ask for are the ones that show a registered, vaccinated, parasite-free animal with an accountable owner at a known address.
The Likely-Request Set
Prepare for some or all of this set, because different landlords stop at different points along it: written tenancy pet permission, chip proof in your name at the address, vaccination certificates, current flea prevention evidence, and pet insurance if required. Written tenancy pet permission is the foundation document: the clause or letter showing a cat is allowed at all, without which every other paper is beside the point. If permission was given verbally when you moved in, getting it into writing is the first preparation job, while relations are calm and nothing is in dispute.
Chip proof in your name at the address does double duty: it shows the cat is registered, and it ties her to you at this property, which is exactly the accountability a landlord wants. Check the registry record before you print anything, because a chip still registered to a breeder or a previous flat undermines the document entirely, and updating it means reading the saved record back with the registry to confirm the change took. Vaccination certificates and current flea prevention evidence cover the health side: certificates show her vaccinations, and prevention evidence shows fleas are actively managed in a building where an infestation would not stay inside one flat. Pet insurance if required belongs in the set only where the agreement asks for it, but have the policy summary ready if yours does, since liability cover is often the landlord's actual concern.
Build a Copies-Only Landlord Pack
Assemble one landlord pack and keep it as a standing file: copies only, originals never handed over. Original vaccination certificates and tenancy documents are expensive or impossible to replace, and a landlord needs to see and file the information, not own your only copy. A tidy pack with an index page listing what is inside reads as competence before anyone reaches the contents, and it turns a document request from a scramble into a same-day reply.
Add the two supporting pieces that answer the worries behind the paperwork. A litter and waste care note, two or three lines on how litter is kept, scooped and disposed of, addresses the smell and hygiene concern that sits underneath many pet clauses. A previous-landlord reference where one exists, even a short written line confirming the cat left a property undamaged and uncomplained about, is an especially persuasive page in the pack for a landlord deciding whether your application is a risk worth taking.
Keeping the Pack Current
Refresh the pack when the facts change: a new address means the chip record and the permission document both need attention, a vaccination booster means a fresh certificate copy, and a lapsed prevention record should be replaced before anyone asks. If a request surprises you with an item outside the set, ask politely what it is for and supply an equivalent document from the pack while you obtain the exact document; many housing requests are satisfiable with evidence of the same underlying facts. Keep the pack with your tenancy papers rather than your cat's vet file, because the moments that need it are property moments: a new application, an inspection, or a neighbour dispute where proof settles things quickly. Copies drawn from Pet Passport through KinsLe pull the same records together for housing, vet visits, travel and boarding without raiding separate files.