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Hay's Galleria is a mixed use building in the London Borough of Southwark situated on the south bank of the River Thames featuring offices, restaurants, shops, and flats. Originally a warehouse and associated wharf (Hay's Wharf) for the port of London, it was redeveloped in the 1980s. It is a Grade II listed structure.
Hay's Galleria is named after its original owner, the merchant Alexander Hay, who acquired the property – then a brewhouse – in 1651. In around 1840 John Humphrey Jnr acquired a lease on the property. He asked William Cubitt (who was father-in-law to two of Humphrey's sons) to convert it into a 'wharf', in fact an enclosed dock, in 1856 and it was renamed Hay's Wharf.
During the nineteenth century, the wharf was one of the chief delivery points for ships bringing tea to the Pool of London. At its height, 80% of the dry produce imported to London passed through the wharf, and on this account the wharf was nicknamed 'the Larder of London'. The wharf was largely rebuilt following the Great Fire of Southwark in June 1861 and then continued in use for nearly a century until it was badly bombed in September 1940 during the Second World War. The progressive adoption of containerisation during the 1960s led to the shipping industry moving to deep water ports further down the Thames and the subsequent closure of Hay's Wharf in 1970.
In the 1980s, with the increasing urban regeneration of the Thames Corridor and nearby London Docklands, the majority of the area was acquired by the St Martin's Property Corporation, the real estate arm of the State of Kuwait. The easterly end of the site was developed as London Bridge City of which Hay's Galleria' forms part. The decision was made to retain the dock and to restore its tea and produce warehouses surrounding it to provide office accommodation and shops. The dock gates were permanently closed, the 'impounded' area of the dock was covered with a floor to the sill of the wharf-sides and the entire space was enclosed with a glass roof designed by the young architect Arthur Timothy while he worked with Michael Twigg Brown Architects. This scheme was implemented by Twigg Brown Architects as part of their masterplan for the renewal strategy. In a fountain at the centre of the Galleria is a 60 ft moving bronze sculpture of a ship, called 'The Navigators' by sculptor David Kemp, unveiled in 1987 to commemorate the Galleria's shipping heritage.
The development was supported by the London Docklands Development Corporation. After its completion and opening in 1987, Hays Galleria became the first new visitor attraction of that period on the south of the river.
Office tenants have included the UK social work regulator, the General Social Care Council, and the Social Care Institute for Excellence. The pub at the riverside entrance, 'The Horniman at Hay's', is named to commemorate one of the main tea-producing companies associated with the trade here.
Due to its location on the southern Thames Path, its panoramic views over the City of London from the riverside, and the location between London City Hall and Southwark Cathedral, Hay's Galleria is visited by many tourists and local workers. For twenty years it housed a year-round market - the Hays Galleria Market, which operated seven days a week. It had a resident artist, and for more than 2 decades, it was home to several permanent independent traders, long-term tenants of St Martins Property Corporation selling souvenirs, touristic apparel, and jewellery from traditional barrows positioned in fixed locations in the Galleria. On 8 October 2010, on the orders of CBRE the Managing Agents, the barrows were removed. The barrows were reinstated under the new managing agents post 2014, and as at 22 August 2017 there are 8 barrows operating in the Galleria. 
- River services: London Bridge City Pier (Commuter service)
- Tube/National Rail: London Bridge station
- London Bridge Hospital – on the riverfront nearby
- History of the Galleria Archived 27 January 2010 at the Wayback Machine
- "The Proprietors of Hay's Wharf Limited". The Glasgow Herald. 28 March 1970. Retrieved 23 December 2013.
- "Kuwaitis buy back More London after 15 years for reported £1.7 bn". London SE1. 10 December 2013. Retrieved 23 December 2013.
- Twigg Brown Architects Archived 17 July 2011 at the Wayback Machine
- Meier, Allison. "The Navigators". Atlas Obscura. Retrieved 26 May 2017.
- "Bermondsey Riverside". completion booklet. LDDC. 1994. Retrieved 19 October 2011.
- "London office". General Social Care Council. 2009. Archived from the original on 1 February 2009. Retrieved 19 October 2011.
- "Horniman at Hay's". London Remembers. Retrieved 26 May 2017.
- "Christian Lacroix, Author at Hay's Galleria Market". Hay's Galleria Market. Archived from the original on 22 October 2016. Retrieved 26 May 2017.
- Media related to Hay's Galleria at Wikimedia Commons
- Hay's Galleria
- Twigg Brown Architects Architects for the regeneration of London Bridge City, including refurbishment of Hays Galleria Architects
- Timothy Associates Architects.
- Historic England. "Grade II – Hay's Galleria (1385450)". National Heritage List for England.
- Historic England. "Grade II* – St Olaf House (1385977)". National Heritage List for England.
- Historic England. "Grade II – Counting House (1385968)". National Heritage List for England.
- Historic England. "Grade II – Warehouse, 47–49 Tooley Street (1385967)". National Heritage List for England.