On 27/12/2016 15:24, charles wrote:

...but I have a question. How long did the
changeover take?

less than an hour and half here to replace the 2 old meters with dials,
including fitting an isolator between the meter and CU[1] - but that was
4 and a bit years ago and they may well have managed to make it slower
since then.

[1] the isolator was one reason for making the switch (sic)

--
Robin
reply-to address is (intended to be) valid