Charterhouse Square is a historic square in Smithfield, central London. It lies between Charterhouse Street and Clerkenwell Road, in the extreme south of the London Borough of Islington, just north of the City of London.
In 1371 a Carthusian monastery was founded by Walter de Manny on what is now the north side of the square. It was established near a 1348 plague pit, which formed the largest mass grave in London during the Black Death, and tens of thousands of bodies were buried there. The name of the monastery, Charterhouse, was derived as an Anglicisation of La Grande Chartreuse, whose order founded the monastery.
The Charterhouse was dissolved as a monastery in 1537, and in 1545 was purchased by Sir Edward (later Lord) North (c. 1496-1564) and transformed into a mansion house. Following North's death, the property was bought by Thomas Howard, 4th Duke of Norfolk, who was imprisoned there in 1570 after scheming to marry Mary, Queen of Scots. Later, Thomas Sutton bought the Charterhouse, and on his death in 1611, endowed a hospital (almshouse) and school on the site, which opened in 1614, supporting 80 pensioners (known as 'brothers'). The school for boys coexisted with the home for pensioners until 1872 when Charterhouse School moved to Godalming in Surrey. Following this, the Merchant Taylors' School occupied the buildings until 1933. The square also lends its name to a preparatory school which occupies a building overlooking the square.
In 2014 evidence of the large burial pit for plague victims dating from 1348–50, the time of the Black death, was discovered under the square by workers building the Crossrail project. Subsequent analysis of DNA and isotopes from the skeletons of those buried revealed data about Londoners who fell victim to the pandemic, such as their birthplace, diet, and the fact that there were actually three periods of plague burials, from 1348, 1361 and the early 15th century as outbreaks recurred.
The Charterhouse Square campus of Queen Mary University of London is situated on the north-east of the Square, occupying the former school lands. The campus includes student accommodation and departments of Barts and The London School of Medicine and Dentistry: Barts Cancer Institute (BCI), the Wolfson Institute of Preventive Medicine and the William Harvey Research Institute (WHRI). The BCI and the Centre for Cancer Prevention (CCP) within the Wolfson Institute also make up the Cancer Research UK Barts Centre of Excellence, together with Barts and the London NHS Trust. The City of London Migraine Clinic is situated to the South-west of the Square.
Florin Court, a residential building in the Art Deco style built in 1936 by Guy Morgan and Partners, is located on the eastern side of the square. The building has a curved facade, roof garden and basement swimming pool.
The nearest underground station to the Square is Barbican to the south-east. The Barbican bus stop is also near by.
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- The City of London Migraine Clinic website