Patlock Review | Internal Lock for French Doors

[AD: Gifted product from Patlock. All thoughts and opinions remain my own].

As I mentioned in my previous post, a Mid-Century Modern Home Moodboard, I am currently knee-deep in renovation having just purchased my first home. Being given the opportunity to trial and review a Patlock for myself, it was very timely and an offer I couldn't refuse. With glowing endorsements from Police Forces and Crime Prevention Organisations, including being associates of the Neighbourhood Watch scheme (Source: Patlock), I was very intrigued to try the Patlock for myself. 

I was shocked to learn that most forced entry burglaries are committed through the Patio or French doors at the back of the property and standard euro cylinder locks can be forced in less than 30 seconds (Source: Patlock Installation). The Patlock therefore works by acting as an additional lock for double doors, which covers the internal handles and restricts the movement of the exterior handles, protecting against lock snapping. 

The Patlock box includes: 

1 x Patlock
2 x Tamper-Proof Spindles
2 x Spring Clips
2 x Window Stickers

Installing the Patlock

I found the Patlock incredibly quick and easy to fit. There are 4 buttons (two on each half) which need to be pressed together before bringing the two halves of the Patlock together over the French door handles. There are rubber inserts which can be added/removed from the Patlock depending on the size of your handles. Once the two halves have been pushed in place, they should 'click' and then the buttons can be released. Reopening the Patlock is just as simple, and can be done by pressing the buttons and pulling the two halves apart. No keys or key-codes required!

The Patlock also comes with two tamper-proof spindles and spring clips for added security. These are designed to replace the existing spindles in the door, and maintain the integrity of the internal handles as they cannot be removed from the outside. It is recommended that these are fitted by a locksmith. 

The device is visible from the outside though generally looks well presented and blends well with white UPVC. The fact that the device is visible makes it a useful deterrent, anybody who tries to gain access to the property can see that a device has been fitted. The two window stickers also come in very useful for making this clear! 


When installing the Patlock I was surprised at how genuinely easy it was to use. It's an incredibly simple product but works well, feels sturdy, and is very useful in combination with other home security products. It provides great peace of mind, knowing that my patio doors have an added layer of security. 

The Patlock is available nationwide, and is sold in retail stores such as Argos, B&Q, Robert Dyas and Woodie's (Ireland). The device will set you back between £50-£70, and in my opinion a very worthwhile investment. 



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