A Valletta landmark due to its spire rising over 60 metres, it is constructed with Maltese limestone in a neo-classical style.[1] The cathedral has columns with capitals of the Corinthian order while the capitals of the six columns of the portico are of the Ionic order.[5] The internal dimensions of the building are 33.5 metres x 20.4 metres. Behind the main altar is a painting titled Ecce Homo, the work of A E Chalon, donated in 2014.