I'm considering fitting a mains swith (one of these)
www.tlc-direct.co.uk/Main_Index/Consumer_Units_Index/Contactum_Mains_Switch/index.html and www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=GDYVRDP0WONQMCSTHZPCFEY?id=74436&ts=83508
between the meter (new supply to garage) and CU. Due...