Can my landlord take my deposit for pest treatment?

Sometimes, but deductions usually need evidence of what went wrong and why you are responsible. Ask for the evidence and invoices, gather your own, and use the official dispute route if you disagree.

Renting and hosting 4 min read Updated 9 October 2026

Sometimes, but they usually need a reason they can show. In many places a landlord can only keep money from a deposit for damage or costs the tenant caused beyond normal wear, and has to back that up. Pests are tricky because the cause is often unclear. Ask for the evidence, gather your own, and if you disagree, use the official dispute route rather than paying to make it go away.

Torn about it, maybe because you had a pet and wonder if it played a part? That is fair. You can be honest about what happened and still ask the landlord to show their working.

What usually decides it

The contract. Some tenancies have a pet clause asking for flea treatment when you leave. Whether that can be enforced depends on local law.
Evidence of the pest and when it started: the check-in report, the check-out report, photos, and any messages where you reported a problem.
The likely cause. Fleas from your own cat are different from moths in a carpet that came with the home, or cockroaches from next door.
A real cost. An invoice for work done, not an estimate or a round number.

Where your deposit is held matters

In some countries a deposit has to be held by a government body or an approved scheme, and disputes go through that scheme or a linked tribunal. The deposit protection schemes in the UK and the rental bond authorities in Australian states are examples. Elsewhere the landlord holds the money and disputes go to a tenancy board, a tribunal or a small claims court. Your tenancy paperwork should say where your deposit sits. If it does not, ask.

The steps

Read your tenancy agreement for any clause about pests, pets or cleaning at the end.
Ask in writing for the evidence: photos, the pest controller’s report, and the invoice.
Gather yours: the check-in report, move-out photos, any messages where you reported pests, and receipts for treatment you paid for.
Reply in writing. Agree, offer part, or dispute it, and say why.
If you still disagree, use the deposit scheme’s dispute service, the tenancy board or tribunal, or ask a housing advice service such as Citizens Advice in the UK.

When the bill arrives after you have left

If a former landlord asks for money weeks after you moved out, possibly after your deposit came back, do not ignore it and do not rush to pay. Reply in writing and ask for evidence that the pests date from your tenancy, especially if new tenants have moved in since. Then get advice before you pay.

Fleas are a good example of why timing is hard. Flea pupae can sit in carpets for a long time and hatch when people move back in, so fleas found later could date from your pet, or from someone else’s. Neither side can be sure without evidence.

Moths and other slow problems

Clothes and carpet moths can live in carpets, rugs and furnishings long before anyone notices them. If you reported moths during the tenancy, that written report matters a great deal. If you spent your own money on treatment that did not work, keep every receipt and ask an advice service whether you can recover any of it.

Pets: treat your pet with a product your vet recommends, and follow the label exactly. Never use a dog flea treatment on a cat. Some dog products are dangerous to cats.

Make it easier next time

Take dated photos of every room the day you move in and the day you leave, including carpets and the edges of rooms. Report any pest in writing as soon as you see it. Our checklist on how to document pests for your landlord shows what to keep, and it works just as well for protecting a deposit.