Go to Latest Sold and Rented Transactions for Boathouse Residences. Disclaimer: The X-Value provided is for general reference only and does not constitute a valuation by a licensed appraiser. The X-Value is based on real-time proprietary data of SRX, publicly available information and other third party sources. StreetSine Singapore Pte Ltd accepts no liability whatsoever arising from any use of or reliance on the X-Value. Calculate X-Value™ for another home.