Best Large Dog Flap For Glass Door Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Ferplast

New
Ferplast Swing 11 Universal Cat Flap for Dogs and Cats - 4 Selectable Closing Modes - Wind-Stopper System - Closing Shoc
Swing door for large cats and medium-sized dogs

£34.68
Ferplast

Used
Ferplast Swing 11 Universal Cat Flap for Dogs and Cats - 4 Selectable Closing Modes - Wind-Stopper System - Closing Shoc
Swing door for large cats and medium-sized dogs

£25.68
Lessmon

New
Large Doggie Door with Magnetic Locking Panel for Home Security - Durable & Weatherproof 17x14" for Medium to Large Dogs
* Innovative Magnetic Locking System - This advanced pet door is designed with a unique magnetic strip at the bottom, en

£27.99
Best Value
Fdit

New
Fdit Cat Flap Door for Cats Dogs Pet, Large Cat Flap Door for Windows Sliding Glass Doors With 4 Locking Possibilities (
❤【4-way block (entry, exit, entry / exit, open)】This cat mate cat flap features four locking modes: always open, only en

£37.19 £53.39
25% Off
PetSafe

New
PetSafe Extreme Weather Pet Door - Triple Flap, Energy Efficient, Customisable Frame - Medium
Triple Flap Design: Features a 3-flap system that provides superior protection against extreme temperatures, offering 3-

£68.66 £90.99
PetSafe

Used
PetSafe Extreme Weather Pet Door - Triple Flap, Energy Efficient, Customisable Frame - Medium
Triple Flap Design: Features a 3-flap system that provides superior protection against extreme temperatures, offering 3-

£42.34
31% Off
PetSafe

New
PetSafe Original 2 Way Pet Door - Manual Lock, Durable Frame, Multiple Colours - Medium, White
Flexible Access: Allows your pet to come and go with ease; set to 'Unlocked' for freedom or 'Locked' to restrict access

£23.38 £33.99
10% Off
Ferplast

New
Ferplast Swing 15 Universal Cat Flap for Dogs and Cats - 4 Selectable Closing Modes - Wind-Stopper System - Closing Shoc
Swing door for medium and large dogs

£70.92 £79.00
Cat Mate

New
Cat Mate 4-Way-Locking Large Glass Fitting Cat Flap (357) - Secure Lockable Door for Large Cats and Small Dogs, for Sing
SECURE DOUBLE POINT 4-WAY LOCK: Offers in-and-out, in-only, out-only, or locked options, ensuring flexibility and preven

£26.99
Zerodis

New
Large Pet Door, Large Middle Sized Dog Removable Installation Door for Interior Exterior Doors, Easy Installation Dog Do
▶ Dog and Cat Door - The wall entry pet doors is built-in magnet, can be adsorbed under normal conditions, and the baffl

£71.27 £78.27

10 Large Dog Flap For Glass Door deals are available from: Amazon stores, starting from £23.38.
The biggest discount we found is 31% on PetSafe Original 2 Way Pet Door - Manual Lock, Durable Frame, Multiple Colours - Medium, White at Amazon.
The lowest price we found is £23.38 while the highest is £71.27.
Prices for the best Large Dog Flap For Glass Door deals average at £42.91.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Large Dog Flap For Glass Door.