What are the best annual rental condos in Bangkok and are utilities included?

When searching for annual rentals in Bangkok, it's crucial to evaluate the construction quality of condos. Consider newer buildings (under ten years) for better maintenance, although older condos may offer more space for lower prices. Rental amounts typically exclude utilities such as electricity, so it's important to clarify this with landlords. Additionally, the area you choose can significantly affect your rental experience due to traffic conditions.