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Most people assume their keys are theirs alone, right up until they realise how easily an ordinary key can be duplicated.
The letterbox is one of the few deliberate holes we cut into an otherwise secure front door, and for a certain type of burglar it is an open invitation.
In older terraced and Victorian properties, a great deal of attention goes into the front door while the windows quietly remain the weakest link.
When people picture a smart lock, they usually picture the outcome, walking up to a door that opens without a key, rather than the method.
Smart locks promise a future without keys: unlock with your phone, let a visitor in remotely, check whether you locked up from the office.
A door that has started sticking, jamming, or demanding a jiggle before it opens sends most people straight to one of two wrong conclusions: either the lock is failing and needs replacing
Carrying a heavy ring of near-identical keys and hoping the right one lands in the dark is a daily nuisance for a lot of households.
The euro cylinder is the small barrel-shaped lock your key goes into on most UPVC, composite, and aluminium doors.
Most modern UPVC and composite doors do not rely on a single bolt to stay shut. When you lift the handle and turn the key, a coordinated set of hooks, rollers
There is a specific kind of alarm that comes with lifting a UPVC door handle and feeling nothing push back. The handle rises, or flops, or spins loosely, but the door does not lock.
