Supply remains limited due to the lack of new supply entering the market. Most new office buildings that are under construction are located outside the CBD area. Occupancy rates in key locations in Bangkok are above 90%, with Grade A buildings in close proximity to mass transit systems enjoying the greatest occupancy. Lower-quality buildings located in areas not currently served by mass transit systems are not in great demand. Rental have been driven upwards over the past two to three years, and this trend is expected to continue in 2016 and the future. Rental rates of some Grade A buildings outside the traditional CBD area are getting higher than in the past few years