Silom – Sathorn is the zone that condominiums price is highest in centre business district (CBD). Most price per room is about 4 – 12 Million baht (about 70,000 – 140,000 baht/sqm) that most will be the room size 40 – 100 sqm. Rooms that larger than 50 sqm, price lower than 5 million baht are still remaining in this zone by will be the old building more than 15 years .   For those who want to rent condominium in area Silom – Sathorn for living, rent rate is about 30,000 – 50,000 Baht/month (about 400 – 700 Baht/sqm/month). Lower rent is still remaining but it will be old building more than 10 years and located far from BTS or MRT more than 400 meters such as Pearl Garden, SLD Saladaeng. And For those who interested to buy for investment, Terra Adviser recommend you to buy the studio type which its size is about 30 – 35 sqm. It is the room type that able to give returns about 7-10% per year whereas other types will make returns rate about 4 – 7% per year (returns rate whole area is about 5 – 8% per year)