New sash windows manufactured to ancient standards are difficult for most people to break into, due to the strength of the sash and old- fashioned sash cords.
However, in some areas of LOCATIONXX,X with large numbers of secure flats, criminals have been known to gain entry by breaking the glass in a window then using the jagged edge like a crowbar to lever open the frame.
This is why well-maintained period sashes should be hidden behind secondary glazing or security film when not in use. If you are interested in having your period windows reinforced, speak to one of our specialists on 020 452 51670 or emailXXX.