Greenhill Villa, a Subsidised Sale Flats project of the Housing Society, is located in Area 36C, Siu Lek Yuen (Shatin Town Lot 609). The site area is approximately 11,800m² , comprises three 32 to 36-storey residential flats on top of a 4-storey high podium.

The Housing Society describes the building concept as "practical but not extravagant", the choice of building materials used in these small-to-medium flats focuses on practicality, stability and durability. Other than fundamental building structure, all the materials inside out are from OPTIMIX:

OPTIMIX BP126 Base Plaster

OPTIMIX BP138 Base Plaster (Waterproof)

OPTIMIX FS161 Floor Screed (Waterproofing)

OPTIMIX F12 Masonry Mortar

OPTIMIX TA328 Tile Adhesive (Flexible)

OPTIMIX TG410E Tile Grout (High Performance)

OPTIMIX WP533 Waterproofing Slurry (Semi-Flexible)

OPTIMIX EVA Emulsion