1 houses in Si Phraya are available for sale. Save this search to receive emails when new houses for sale are listed in Si Phraya. New homes for sale in Si Phraya include Siamese Surawong by Siamese Asset Co.,Ltd., The Surawong by CHEWATHAI PLC. and Chapter Chula-Samyan by Pruksa Real Estate Public Company Limited.. Thailand Property also provides helpful guides, blogs and regular news to help property buyers with their search.