Did you lock your front door this morning? Don't worry, your door key can tell you

If you're one of those people who are never quite sure if they've locked the door behind them, this innovative new solution will give you peace of mind

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According to home security company, London Key, 70 per cent of us regularly forget if we have locked our front door and, even more worryingly, 60 per cent have returned to the find their door unlocked. Of those who had been burgled because they forgot to lock their doors almost 50 per cent had their insurance claims affected as a result. 

'These shocking figures reveal the extent of property owners who forget to lock their doors – something which, in a moment of carelessness, is very easily done. With burglary rates on the rise, it has never been more important to ensure your property is secure – which starts with making sure you have locked all your doors,' explains Regev Sido, founder of London Key. 

Based on these statistics, London Key developed an innovative but simple solution to banish the stress of not remembering whether the door has been locked or not. The new London Key has an inbuilt switch that changes colour when the user locks or unlocks a door. As the door is locked, the switch on the key changes colour from green to red, so just by looking at the key when out and about, users will be able to know if their home is secure.  

The key is completely mechanical, requires no batteries and will retail from £4.99.