School received a £6.5 million grant from the Barts Charity to redevelop the campus. Smaller sites on the square Florin Court Florin Court, a residential building in the Art Deco style built in 1936 by Guy Morgan and Partners, is on the east side. The building has a concave façade, roof garden and basement swimming pool. Charterhouse Square School Charterhouse Square School is on the south side of the square; it is a co-educational, independent school for ages 3 to 11, with a small roll of pupils. Smithfield Market is to the south-west along Charterhouse Street. Transport links The nearest station to the square is Barbican tube station, 80 metres away on the A1. The station is served by the Circle, Hammersmith & City and Metropolitan lines. The next nearest, Farringdon, is served by the same tube lines, as well as Thameslink and the Elizabeth Line. In fiction Florin Court was used as the fictional residence of Hercule Poirot, Whitehaven Mansions, in the 1980s TV series Agatha Christie's Poirot based on Agatha Christie's crime novels. See also Clerkenwell Barbican Estate Notes and references References Notes External links LondonTown.com information The Charterhouse Square School website Charterhouse Square campus at Queen Mary University of London History of the City of London Squares in the London Borough of Islington Smithfield, London Odonyms referring to a building