It’s negatives comprise bills, junk mail and heat loss and positives maybe a birthday card or tax rebate.
Receiving anything larger than a bill or pizza ad the letterbox fails to perform. The net result is usually the UPS courier is forced to return to base and arrange a return trip or the recipient needs to arrange collection, which will facilitate an unwanted journey. Fuel is wasted which is unquestionably unsustainable.
As online shopping increases modern living demands a more versatile solution, one that allows a guaranteed secure delivery, avoiding abortive journeys and serving the true purpose. Who is responsible for the design and specification of the letterbox: the architect, the developer or the builder? Possibly new EU legislation could help focus on the problem and legislate for re-design.
The new minimum size will call for increased technology to secure the aperture and connect to the home network to track and acknowledge deliveries. Add a minimum U value of 2.2 w/m2 and our front doors may never look the same again.