Older stories - There are 4 or 5 of them by one author. Typically a fairly successfulManaging Director type who finds his spouse is cheating on him. Generally they end up getting back together but not always
Older stories - There are 4 or 5 of them by one author. Typically a fairly successfulManaging Director type who finds his spouse is cheating on him. Generally they end up getting back together but not always
A couple of authors you might try.
The most likely is Always Raining. In particular, The Way Back matches your specifications.
The other that I thought of is The Wanderer aka Denham Forrest.
Both write stories almost exclusively set in the UK.
I'd also second GaryAPB.