door size

I`m planning to build a summerhouse/workshop down the garden. Cable length would be around 45/50mt. Mostly power used 13A and maybe some mig welder 16A Do I need to get a 3 core cable or 2 core would be fine and Earth can be sorted out locally? What would be the ideal size without spending a...

Hello, We need to replace our current internal french doors, however the width of the door frame is 1390mm and the standard door sizes seem to be either 1372mm or 1524mm, both too big or too small. Does anyone have any ideas of the options outside of getting bespoke doors made? Could we cut...

I know could sound a very stupid question but I have removed my old door and would like to order new ones. I have the structure opening dimension at the moment and don't trust the old door as it ms like they were customized in size. For instance, what would be the difference between structure...