PROPERTY FOR SALE IN GIBRALTAR. NP Estates is please to offer this off-plan property direct from the developer for sale in Sylvian Suites, Gibraltar. Sylvian Suites is the latest refurbishment project situated in the historical upper town district. Located within a short walking distance of the O'Callaghan Eliott Hotel, Main Street and the independent senior school, Prior Park, this development is made up of 38 properties consisting of studios and one bedroom apartments that centre around two courtyards. Completion is anticipated late 2021. For further information, contact NP Estates.