Small breed

    Dog Doors for a Jack Russell Terrier

    Small but mighty — a standard or medium dog flap is ideal. A typical Jack Russell Terrier weighs 3–10 kg. A microchip pet door keeps other animals out of the house.

    Get a free quote for your Jack Russell Terrier

    What size opening does a Jack Russell Terrier need?

    A large cat flap or small dog door (around 214 × 256 mm).

    How to measure your Jack Russell Terrier

    1. 1Measure your dog's shoulder height from the floor — the opening needs to be at least that tall.
    2. 2Measure the widest point, usually the chest or hips, and add 50 mm.
    3. 3Watch how your dog goes through a normal doorway: if they duck, the opening needs to be taller.
    4. 4Measure the chest clearance from the floor so the step-over is easy, not a jump.

    Where we fit it: Small dogs need a low step-over, so we fit the flap as low in the door panel as the frame allows — typically 80–120 mm above the floor.

    Not sure? Try the Will It Fit checker.

    Microchip compatibility for a Jack Russell Terrier

    UK dogs must be microchipped by law, and those chips are standard 15-digit FDX-B — exactly what the microchip pet doors we fit read. Larger dog doors are usually manual 4-way lock; chip-controlled access is available up to the SureFlap Microchip Pet Door size.

    Jack Russell Terrier microchip tip

    Jack Russells fit a microchip pet door comfortably, which keeps foxes and next door's cat firmly outside.

    Got the chip number handy? Check it against every flap we fit.

    Getting a Jack Russell Terrier used to the dog door

    Tape the flap open, call your dog through from the other side, then lower it gradually over a few days. Never push them through — one bad experience takes weeks to undo.

    Fitting note: A microchip pet door keeps other animals out of the house.

    Dog doors we recommend for a Jack Russell Terrier

    These are the models we fit most often for Jack Russell Terriers, in order of preference.

    Our top pick

    SureFlap Microchip Pet Door (dog version)

    Chip-controlled access for small dogs — keeps neighbouring animals out.

    • Opening 214 × 256 mm, cut-out 256 × 300 mm
    • Reads all standard 15-digit FDX-B chips; stores up to 32 pets
    More about this model
    Option 2

    SureFlap Microchip Pet Door

    The large chip-reading door we fit for big cats and small dogs.

    • Opening 214 × 256 mm, cut-out 256 × 300 mm
    • Reads all standard 15-digit FDX-B chips; stores up to 32 pets
    More about this model
    Option 3

    Medium dog door (e.g. PetSafe Staywell)

    The usual fit for medium dogs up to around 18 kg.

    • Typical opening 245 × 290 mm
    • Manual 4-way lock; microchip versions available on request
    More about this model

    Ready to give your Jack Russell Terrier the run of the garden?

    We fit into uPVC, composite, wooden and aluminium doors, windows and new toughened glass panels.

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