[proddick]

Will it take just one of three phase lines, giving a maximum of 3.6kw (220v x 16 amps)?

Unfortunately YES. If 3 phase is common in homes it is a shame the Corsa isn't available with the 11kW charging option there.

How many miles do you drive a day? Charging for 10 hours overnight would be around 30kWh so a decent range. I often charge my Zoe at 16A as my Podpoint Type 2 charging point replaced the Type 1 from Ampera and wiring can't cope with much more (it probably could do 20A).

 

[proddick]

I usually do around 70 km a day, 4 to 5 days a week.
I was hoping that I would be able to charge just once a week, for about 10 hours. I guess that I could get along with 3.6kw charging just fine for that once a week nightly charge (given that I won't deplete the battery to 0%). What more concerns me is those times when you need a little boost of charge in the middle of the day, or before going for a longer drive.

As @cah197 says, just plug in every night and you won't need a charge in middle of day. On most nights you could limit charge if Corsa has that feature (our Zoes don't) and just charge fully when necessary. Personally, it isn't something I worry about, but there are some on here who are paranoid and never fully charge their EV. But each to their own...