Best Door & Window Security UK (2026) — Page 2
Door chains, window locks and security bars.
#7 Pick
HomeSecure HS4318 UPVC Window Restrictor Hook with Child Lock Restrictor Safety Catch, SilverRated 4.3 out of 5 stars (542)
- Zinc Alloy
£5.99
Pros
- Limits window opening for child safety while allowing full release when needed
- Simple screw-fit installation
- Compact silver hook blends with most uPVC frames
Cons
- Sold as a single hook, most windows need a pair