In message , at 08:17:24
on Mon, 22 Jul 2013, remarked:
The regular single has "no restrictions", which I think means that
section 16(ii) of the NCoC isn't over-riden, viz:

"stay in overnight accommodation when you cannot reasonably complete
your journey within one day"

Some tickets have a condition that you must resume the journey by
midday the second day, but not apparently this one.

I agree that as a "Day single" it could be argued that the validity
expires overnight anyway, but the National Rail site is silent about
any difference between "anytime", and "day" singles...

http://www.nationalrail.co.uk/times_...pes/46550.aspx

Not on that link it isn't. "Anytime Day (Single and Return) tickets must be
used on the date shown on your ticket and up to 04:29 the following day.".
The only standard class fares offered are Anytime Day Singles, "Valid 1 day
only".

But modified by the BoJ rule quoted?

As for your immediate issue, why not buy the most appropriate tickets
once landside at Gatwick?
--
Roland Perry