At Livorno, the great niche surmounts a massive portico supported by eight columns in the Tuscan order, the order theorists considered most appropriate to military architecture.
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The spans of the bridge are supported by pairs of piers in the form of Tuscan order columns with circular cross bracing between them producing a striking effect.
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The Tuscan order, also known as Roman Doric, is also a simple design, the base and capital both being series of cylindrical disks of alternating diameter.
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It is a 2.5-story house with a large two-story balconied portico with pedimented roof, and a veranda supported by Tuscan order columns.
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The central bay to the street facade emphasises the entry with columns and pilasters of Tuscan order, and a segmental pediment with a shield motif at its centre.
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The fa�ade portal of the courtyard was decorated by freestanding columns in Tuscan order and the armorial cartouches placed as their continuation as well as wide-stretching fruit vases.
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Narrow two-level porticoes with Tuscan order columns on the north and south faces were replaced in the 1940s by porticoes with a pair of square columns and a central balcony.
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Four tuscan order pilasters, a simple frieze, cornice, and parapet complete the portico's decoration giving it the appearance of being slightly taller than the rest of the building.
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In its simplicity, The Tuscan order is seen as similar to the Doric order, and yet in its overall proportions, intercolumniation and simpler entablature, it follows the ratios of the Ionic.
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From 1827 Eyre altered the house itself considerably, creating a substantial mansion with a south front of three storeys and seven bays alternately canted to full height, and a pedimented Tuscan order doorway.
