House for sale in Kastella Piraeus. In the most privileged position of Kastella — one of the most premium residential spots in Piraeus — an unfinished corner single-family house offers a rare development opportunity with unobstructed sea views and exceptional layout flexibility. The total building area is 536m² (main living areas approx. 375m²) set on a 180m² plot, constructed in 2008 and currently at brick stage. The residence is arranged across 4 levels, with the ability to be configured as one large single residence or separated into two independent homes (existing study and proposals available). Energy Class A. Residential zone. Parking included. Based on the approved building permit: • Ground level (124m² – not semi-basement): two master bedrooms with ensuite bathrooms & walk-in closets + one guest bedroom with ensuite bathroom • 1st level (115.26m² – main entrance): large kitchen, dining area and living room • 2nd level (60m²): large office, WC and separate sitting area • 3rd level (76m²): secondary kitchen, living room, WC and large veranda with sea view Additional spaces include underground parking (77m²), storage/laundry/mechanical rooms (84m²) and a shaft for future elevator installation serving all levels. This building is extremely flexible in terms of future use: • boutique hotel / tourist conversion • serviced apartments / studios • office-use / mixed-use professional space • small residential subdivision into multiple smaller rental units Kastella remains one of the most iconic and demanded neighbourhoods in Piraeus — combining amphitheatric sea views, unique topography, luxury residences, marina proximity, coastal lifestyle and fast access to central Athens. Opportunities of this scale, location and flexibility are extremely limited. This is not just an unfinished home — it is a strategic canvas ready to become a landmark residence or two premium units in one of the most high-value coastal neighbourhoods of Piraeus. PROPERTY ID: A4-11652. Ktimatoemporiki Real Estate contact phone: 2150000250, 2821056600 email: info@ktimatoemporiki.gr website: http://ktimatoemporiki.gr