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Polygon-
We're getting ours replaced. Existing thing is from the 80s and has an entire 3 bad flat on 5 circuits. Relevant bits from the quote:
"
Replace the existing fuseboard with a new 10-way 18th edition consumer unit with all RCBO and SPD protection. This will provide 5 spare ways for future additions....
Wylex NM1006LS 10 Way Consumer Unit with 100a Main Switch + Type 2 SPD
"
Greenbank
There are smart consumer units but you don't want one, for usual internet-of-shit reasons - it'll tie you to a shitty app platform and you'll wake up one day in the not very distant future and find the manufacturer has decided your model is obsolete and unsupported and they'd like you to buy a new one.
Some regulations are starting to phase in Arc Fault detectors (AFDDs) in high risk buildings, which are supposed to detect arcs caused by loose wires or bad connections which is how some fires start. But they're expensive (£100/breaker) and from what I've seen
incredibly hard to trip, which makes them useless.