An "enclosed patio" refers to an outdoor space that has been covered or enclosed by walls and a roof, making it protected from the elements. Full definition
The unit has an extra length double bed, a fully equipped kitchenette, bathroom with corner bath and a shower as well as its own enclosed patio area. (sa-venues.com)
There is also a lovely enclosed patio, where guests can relax and keep cool with a drink. (petesgrillandpizza.com)
The ground floor entrance is through a small enclosed patio opening into the kitchen / dining / living area. (slowtrav.com)