Securahome supplies a wide range of replacement letterboxes for UPVC doors.
Changing designs and ranges mean that an identical replacement letterbox for UPVC doors may no longer be available. However a similar one can often be supplied by Securahome.
The most important factor when choosing a replacement letterbox
For a UPVC door is to check that the size is similar. In some cases the aperture made for the original letterbox may to need to be made larger. If this is the case, new screw holes could be required.