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OnlyCat - Microchip Cat Flap with Prey Detection
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OnlyCat – Microchip Cat Flap with Prey Detection

(565 customer reviews)

Price range: £ 275.00 through £ 499.00

Let cats in, keep mice out.

Fits a 165 × 172 mm opening, or a compatible circular glass cutout. Check fit details

Mounting
Where will it be fitted?
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Mounting Adaptor See all sizes and shapes →
Tunnel Extender – 50mm £ 10.00 Details ↗
Power cable

A 3 m power cable and adaptor are included. Mains power is required.

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USB-C Extension Cable — 1m £ 12.00 Details ↗
USB-C Extension Cable — 2m £ 18.00 Details ↗
USB-C Extension Cable — 5m £ 25.00 Details ↗
Optional extras
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Before you order

In stock · typically ships in 2–3 working days · secure payment

SKU: OC-1000 Category:

Wild outside. Calm inside.

Let cats be cats — and keep what they catch outside.

  • Prey stays outside Night-vision checks every approach and holds the door shut when your cat arrives with a gift. You get the clip; your hallway stays clean.
  • Your cats, only your cats Microchip and collar-tag recognition with a door policy per cat, so neighbours’ cats and foxes stay out.
  • Know they’re home Transit clips and notifications in the app, and curfews when you want them.
  • Fits where you live A drop-in replacement for SureFlap-sized openings, with adaptors for glass and walls.

“I feel so much better.”

  • “A device that’s given me my life back. Free to finally enjoy outings and holidays without worrying.”

    Fatima B.

  • “Our cat tried 16 times to bring a gift in. Waking up to see we avoided midnight carnage is just amazing.”

    Sarah C.

  • “I love my cat but I couldn’t cope with the presents. The flap did exactly what it was supposed to.”

    L Porquoi.

Rated 4.8 on Trustpilot by owners. Read owner reviews

565 owner reviews4.88/5

  1. Heidi Barnes – Google

    You are the absolute best! You’re not only a life saver as a product, your customer service is so genuine, authentic and commendable! You are a unique product, service and humans! OnlyCat, we love you! 💕 …
    Photo attached by Heidi Barnes

  2. Nigel Pink – Google

    The best catflap in the world. Works flawlessly, stopping other cats or any presents getting inside. The app could use a little work to improve notifications and usability, but otherwise this product is fantastic. So happy with my purchase.

  3. Jolyon Mantripp – Google

    Love this cat flap! Not only does it stop my cat bringing animals into the house. Also records and notifies me of her coming and going so I know where she is. Had a slight issue and they sorted it very quickly for me. Definitely recommend!

  4. Emma MacIntosh – Google

    Amazing purchase! Gives me so much peace of mind, before getting this we would get live rats, mice & birds in the house. Since having OnlyCat we get nothing!
    Photo attached by Emma MacIntosh

  5. Abi Merritt – Google

    Best purchase ever. Does exactly what it says it will do. Fits perfectly in the space we had for our old catflap. Worth every penny. 10/10.

  6. Shannon Lopez – Google

    Have had the OnlyCat cat flap for a few months now and am thoroughly impressed. Not only has the constant chore of having to let our cats in and out of the house via the back door been solved – but more importantly we are at a state of permanent peace knowing that our house will remain rodent (or in the case of one of my cats, twig) free. It is extremely easy to use the app and set up schedules, as well as monitor our cats’ departures and entrances.

    On top of this, the customer support from OnlyCat is truly outstanding. In my opinion, the measure of a great company comes from how well they deal with things when they go wrong. We had an unfortunate issue with our flap (not OnlyCat’s fault at all) however they went above and beyond with suggestions on how the issue could be fixed. They were quick to respond and sympathetic throughout the whole ordeal. Given this, I would not hesitate to recommend them. Not only is the functionality of the cat flap groundbreaking, but their customer service is brilliant too.

  7. Chris Hurley – Google

    We were constantly plagued with presents from one of our cats which drove my wife crazy. This product is amazing – not one gift since installation much to the cat bemusement! Very high quality solution and highly recommend to anyone in the same situation.
    Photo attached by Chris Hurley

  8. RJ – Trustpilot

    Fabulous experience

    Fabulous experience. Took ages to get someone to fit it for me as needed new panels of glass, couldn’t wait to try it. Cats never used a cat flap before but one took to it that day and the other within a few days. I turned off the noises. One attempt at bringing something in, unsure what, but saved myself from crows and pigeons, their pre onlycat conquests and gifts they arrived at the open window with! Love the ability to time things, so they have a curfew. They love the freedom in the day and I love the certainty that when I get home, the only thing there is the cats having one of their extended naps, not a murder scene.

  9. Mark Bunbury – Trustpilot

    Our cats were a nightmare with bringing…

    Our cats were a nightmare with bringing in mice rats and birds. So we decided to give OnlyCat a go. And it is truly fantastic. Great to see the cats face when they cannot get in. But weirdly it was also comforting for my wife to see them every day when we wee on holiday. A great product. Well done and thanks

  10. Margaret Simpson – Trustpilot

    Only cat have been absolutely amazing!

    Only cat have been absolutely amazing!! They have developed a product that has stopped my cat bringing in gifts and given me my sanity back! Its been the most amazing cat flap I have seen and I will not go back to having another!

  11. Robba – Trustpilot

    Flap works great

    Flap works great. Stops the cats take mouse and other pets with them.

  12. Louise Champion – Trustpilot

    This catflap is a game changer!

    This catflap is a game changer! Stops unwanted gifts being left in the house which is great. Support has been fast and helpful.
    App is slightly basic but does the job. Just realise you need mains power close by to the flap and good connectivity for all to work well. Well done! Great job designing this product.

  13. Christoffer – Trustpilot

    No more mice indoors.

    The cat flap from OnlyCat has meant that we can sleep soundly, without live gifts in the shape of mice being delivered indoors. After a year of use we can say that it works really well.

    Translated from Danish

    Show the original

    Slut med mus indenfor.

    Kattelemmen fra Onlycat har betydet, at vi kan sove trygt, uden at der bliver leveret levende gaver i form af mus indenfor. Efter et års brug kan vi sige, at det virker virkelig godt.

  14. Amelia Hurren – Trustpilot

    At first was a little dubious when my…

    At first was a little dubious when my husband said he wanted to buy this cat flap, was a bit like HOW MUCH! But now we have it, he was right. No more worrying about live presents at 3am and chasing them around the bedroom, or they have been let loose in the house and we didn’t realise. And it’s nice to know when he is coming and going and watching him come through when we first got it was amusing. All round been really good

  15. Rachel Darby – Trustpilot

    Works brilliantly

    Works brilliantly. The support is very good too. It’s really money will spent.

  16. David – Trustpilot

    Not cheap but well worth the money. Love it.

    The build quality is excellent and it really does work. I can keep track of both my cats and keep out the unwanted ones !.I also like the fact its on a mains supply as my previous brand would go through batteries very quickly. I had a small teething issue at first with one cat which turned out to be a faulty microchip which occasionally didn’t read and was replaced at the vet. During this time the customer care was excellent and they spent a lot of time and answered many emails trying to help. I’m very happy .

  17. Jolyon Mantripp – Trustpilot

    Love this cat flap

    Love this cat flap! Not only stops mice etc that previously ending up in my home but also alerts me to my cats coming and going. Had a teething issue after a couple of weeks when it was first fitted and they sorted it straight away.

  18. Heike Fritz – Trustpilot

    It's the best cat flap there…

    It's the best cat flap there is. I'm a breeder, so I can set individual outdoor times for each animal.
    And at last we don't have unwanted prey scattered around the house, left to rot where they lie.

    Translated from German

    Show the original

    Es ist die beste Katzenklappe die es…

    Es ist die beste Katzenklappe die es gibt. Ich bin eine Züchterin, und kann so für jedes Tier eigene Zeiten für den Ausgang festlegen.
    Und endlich haben wir keine unerwünschte Beutetiere im Haus verteilt, die dann vor sich herum verwesen.

  19. Carsten Frederiksen – Trustpilot

    Excellent product that solves the problem…

    Excellent product that solves the problem of the cats bringing prey home.

    Translated from Danish

    Show the original

    Fremragende produkt der løser problemet…

    Fremragende produkt der løser problemet med at kattene bringer byttedyr med hjem.

  20. Consumer – Trustpilot

    Best cat flap ever!

    Best cat flap ever!! Loving seeing my cats coming in and going out. The contraband detector has saved us from cats bringing mice in the house
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