Which of the following factors might affect property value?

The correct choice encapsulates critical elements that influence property value: location, condition, and market trends.

Location is perhaps the most influential factor in real estate, as it affects accessibility, desirability, and potential for appreciation. Properties in prime locations tend to command higher prices and are more resilient to economic fluctuations.

Condition refers to the physical state of the property, including maintenance and renovations. A well-maintained property can attract buyers more readily and justify a higher market value compared to one that is in disrepair.

Market trends provide context regarding the current economic environment, including supply and demand dynamics in the housing market. Understanding whether it is a buyer's or seller's market can significantly influence property valuations.

While aspects such as emotional attachment, age, past sales price, and design do play roles in individual cases of valuation or buyer perception, they don’t encompass the broad range of significant factors affecting property value as effectively as the elements highlighted in the correct choice.