Main author
Michael BrooksSt Marks Basilica
St. Mark’s Basilica is a Roman Catholic church in Piazza San Marco, Venice, northern Italy. It is one of the most recognisable churches in Italy and one of the best examples of Italo-Byzantine architecture. It is connected to the Doge’s Palace and the campanile.
The first church to be built on the site was ordered by the Doge in 828, to house the body of St. Mark. The present basilica was formed during redevelopment around 1063-1094 and was intended as the Doge’s Chapel. In 1807, it became the seat of the Patriarch of Venice.
The 11th century restoration made the basilica into a symbol of Venetian opulence and power, its elaborate decorations and gold ground mosaics resulting in the nickname ‘Church of gold’.
The architectural design of the basilica is celebrated for its articulate nature, with a basic structure that has not much altered since the 11th century. The central dome is supported through spandrels and large vaults on four pillars. The two arms of the Greek cross-shape are divided into a nave and two aisles. Each arm has a dome of its own as well as the main dome above the intersection.
The narthex and the new façade were constructed in the first half of the 13th century. Around this same time, most of the mosaics were completed and the domes were covered with secondary domes, positioned higher, and made of lead-covered timber to blend in better with the redesigned Gothic architecture of the Doge’s Palace.
The exterior of the basilica’s west façade is divided into lower register, upper register and domes. The lower register comprises five round-arched portals enveloped by polychrome marble columns.
The basilica contains more than 500 columns and capitals, most dating from between the 6th and 11th centuries. The 12th century marble floor is entirely tessellated in geometric patterns and designs of animals. The upper levels are decorated with bright mosaics covering an area of approximately 8,000 sq. m. Most of these mosaics incorporate gold glass tesserae which creates a shimmering effect.
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
The Building Safety Forum at the Installershow 2025
With speakers confirmed for 24 June as part of Building Safety Week.
The UK’s largest air pollution campaign.
Future Homes Standard, now includes solar, but what else?
Will the new standard, due to in the Autumn, go far enough in terms of performance ?
BSRIA Briefing: Cleaner Air, Better tomorrow
A look back at issues relating to inside and outside air quality, discussed during the BSRIA briefing in 2023.
Restoring Abbotsford's hothouse
Bringing the writer Walter Scott's garden to life.
Reflections on the spending review with CIAT.
Retired firefighter cycles world to raise Grenfell funds
Leaving on 14 June 2025 Stephen will raise money for youth and schools through the Grenfell Foundation.
Key points for construction at a glance with industry reactions.
Functionality, visibility and sustainability
The simpler approach to specification.
Architects, architecture, buildings, and inspiration in film
The close ties between makers and the movies, with our long list of suggested viewing.
SELECT three-point plan for action issued to MSPs
Call for Scottish regulation, green skills and recognition of electrotechnical industry as part of a manifesto for Scottish Parliamentary elections.
UCEM becomes the University of the Built Environment
Major milestone in its 106-year history, follows recent merger with London School of Architecture (LSE).
Professional practical experience for Architects in training
The long process to transform the nature of education and professional practical experience in the Architecture profession following recent reports.
A people-first approach to retrofit
Moving away from the destructive paradigm of fabric-first.
International Electrician Day, 10 June 2025
Celebrating the role of electrical engineers from André-Marie Amperè, today and for the future.
New guide for clients launched at Houses of Parliament
'There has never been a more important time for clients to step up and ...ask the right questions'
The impact of recycled slate tiles
Innovation across the decades.
EPC changes for existing buildings
Changes and their context as the new RdSAP methodology comes into use from 15 June.