A mid-week short break is a good way of obtaining better value from your holiday. Mid-week breaks are generally cheaper and you miss the main travel congestion on the roads, especially from Devon or Cornwall as most cottage holidays have a Friday or saturday changeover day.
Mid-week short brteaks can be 3 or 4 night breaks from Monday to Friday.
Please see the following web pages to find one that might appeal to you:
These also include other destinations in the UK as well as Devon and the West Country.