i would try LOCATION1 or LOCATION2 as they are both in west London and are generally decent areas  and some of the cheapest property in London will be found around there
Opinions: sentiment: Positive
aspect: price
target_entity: LOCATION2; sentiment: Positive
aspect: general
target_entity: LOCATION2; sentiment: Positive
aspect: general
target_entity: LOCATION1; sentiment: Positive
aspect: price
target_entity: LOCATION1