"Just fitted this 11way consumer unit to replace an old 8 way Wylex "fuse box" with re-wireable fuses. It is the same size as the old one - so was really easy to swap over in the same limited space. Easy to adapt the configuration, I was using RCBO's instead of Mcb's - and there was a good amount of internal space. Wylex is right up there with MK and Crabtree. RCBO's are expensive though if you on a tight budget - but as they say...you get what you pay for, I have never had a problem with them. NB: As of January 2016 - all new Consumer units need to be fully metal clad - including the lid and flap (New IEE Regulations)"