SureFlap Microchip Pet Door.

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    SureFlap Microchip Pet Door -Keep unwanted animals out of your home. Larger in size than a standard cat flap, the pet door is designed for large cats and small dogs. The built-in curfew timer enables you to set the door to lock and unlock at specified times. It can be set to lock at the same time each day.

    The SureFlap Microchip Pet Door identifies your pet by reading their unique identification microchip, it is the first to be designed to meet the needs of large cats and small dogs. Reads a pet's existing identification microchip (no collar required), compatible with all international microchip formats, stores up to 32 microchip numbers, runs on 4 x C-Cell batteries for over 12 months, two-part construction for easier installation fits into doors up to 6cm thick with no accessories. The microchip Pet Door can also be installed in glass from 3mm to 6cm in thickness - a glass mount adaptor will be required for all glass installations. For non-microchipped pets, you can use the SureFlap collar tag.

    When you are purchasing a cat flap, please ensure: -

    • To select the most appropriate cat flap for your cat’s size, weight and needs.
    • We recommend that customers use the flap sizes to cut a hole in a cardboard box to see if the cat/dog will fit through it ok.
    • It is vital that you are confident that your cat flap purchase will fit in the desired place in your home. For example – if it is a glass installation, is the glass wide enough?

     The Pet Door Glass Adaptor is compulsory for all installation into a glass & double glazing; without it, it will not fit. This is sold separately.

    Programme your pet’s microchip at the touch of a button

    Your pet’s microchip is then permanently stored in memory.

    Install the pet door in a door, glass or wall

    A range of accessories are available for glass and wall installations.

    Intruder animals can’t get in

    The pet door remains locked for unwelcome cats and wildlife until your pet approaches and opens just for them

    pet door timer control

    Use the curfew timer to keep your pet indoors

    Set the door to lock and unlock at any time of the day or night.


    Flap opening dimensions

    178mm (W) x170mm (H) - This dimension is the smallest area of the pet door that your pet will have to enter.

    Door/wall mounting dimensions

    207mm (W) x 234mm (H) - The exterior frame can be used as a template to cut the hole required to fit your pet door.

    Exterior frame dimensions

    262mm (W) x 281mm (H) - Size of the exterior pet door frame

    Tunnel depth

    70mm (D) - Depth of the inside tunnel of the pet door.

    Glass mounting dimensions

    300mm - A circular hole is required to install the pet door in glass. The optimum hole size is 300mm, but the pet door can be installed into holes up to 320mm in diameter.

    SureFlap and SureFeed products have been recognised as being ‘Cat friendly’.

    Cat Friendly Awards, by International Cat Care, 2014, 2015, 2018.


    We are delighted to offer you free delivery on all orders over £50.00.

    Items are packed on the day you place your order. Your package should arrive within Two to Six working days.

    Once your order has been dispatched you will receive a tracking number and you will be able to track your order.

    All orders must be signed for (delivery driver can sign for you at present due to Covid-19).

    Our courier partners will keep you updated on the journey of your order. You'll receive SMS and email confirmation of your tracking details and they will let you know estimated delivery times on the morning of your delivery.

    Our delivery partners aim to deliver all orders on time, but delays do happen from time-to-time. 

    Have a query regarding your delivery?

    If you have any queries regarding your delivery please email us at

    If we cannot deliver your order within the specified time period then we will make every attempt to contact you and provide an expected delivery time. If this delivery time is not suitable, you can cancel your order and we will provide you with a full refund.


    Please see our Return Policy For More details. 


    Ask a Question
    • what is the max height of a dog does it suit please

      It is a flap size of 178mm (W) x 170mm (H) - we recommend that customers use the flap sizes to cut a hole in a cardboard box to see if the cat/dog will fit through it ok. Thanks.


    • I have bought this cat flap but it is staying open after my cats have come through. I think they are being slow. How can I rectify this as I am concerned an unwanted cat will get in. Thanks.

      That's odd, sorry to hear that Sharon. I am not sure how to rectify that myself, so I think the best thing to do is to give Sureflap a call as they are the manufacturer of the cat flap. The number to call is 0800 0124511. They have a fab customer care team there and will be able to help you. It is also covered by their 3-year warranty.

    Customer Reviews
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    Filter Reviews:
    Jeanette H.
    United Kingdom United Kingdom

    Excellent 5 stars

    Excellent product I would recommend to anyone

    Rosemary W.
    United Kingdom United Kingdom

    Great product

    This is a great product which gives peace of mind and freedom from the worry of invading animals.

    Steve C.
    United Kingdom United Kingdom


    Item is good quality and fitting instructions for door were clear and for for purpose. I'm slightly worried about water getting in the skin of the door but haven't dared use sealant as there is no mention of that in the instructions. Tunnel is big enough for our Mainecoon though chip reader lock is only for entry not exit. This hasn't been an issue for us, was just a surprise worth mentioning. Overall we are very pleased and I'm sure the cat will come around eventually.

    William C.
    United Kingdom United Kingdom

    Fast and reliable

    Great website, fast and reliable service, purchase arrived quickly and in perfect condition

    Sally E.
    United Kingdom United Kingdom

    Great Pet Door

    What a difference! The dogs took right to I, but the 40+ mph windstorm we had didn't budge it. It's by far better than any pet door we have ever had. Love It!

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