In article ,
Peter Parry wrote:
It is invariably better to spend the money you would have wasted on
alarms on better perimeter security including sound doors and locks.

Very difficult to protect a window from a determined attack - unless
you're happy with bars or gates.

I'm always amused to see houses round here with multiple expensive locks
on the front door but original sash windows...

--
*Those who live by the sword get shot by those who don't*

Dave Plowman London SW
To e-mail, change noise into sound.