Barratt Developments plc is one of the largest residential property development companies in the United Kingdom operating across England, Wales and Scotland. It was founded in 1958 as Greensitt Bros., but control was later assumed by Sir Lawrie Barratt. It was originally based in Newcastle upon Tyne but is now located at David Wilson's former offices in CoalvilleLeicestershire. It has been listed on the London Stock Exchange since 1968, and is a constituent of the FTSE 100 Index.