Original sentence: Since the housing stock transfer in 2000, there have been considerable improvements to the quality of social housing in the city.Sunderland Corporation's massive post-war housing estate developments, such as Pennywell, Grindon, Red House, Hylton Castle, Thorney Close and Town End Farm, together with earlier developments, have all passed into the ownership of Sunderland Housing Group  This a private company, and a Registered Social Landlord.The tower blocks at Gilley Law and in Hendon and the East End have been transformed, and the vast estates are also improving, although the plans have not met with universal praise
Edited sentence: In the spirit of the post-war town planners, Sunderland is now building more new social housing than any other local authority in the UK.Since the housing stock transfer in 2000, there have been massive improvements to the quality of social housing in the city.The formerly notorious council tower blocks at Gilley Law and in Hendon and the East End have been transformed, and the vast estates are also improving considerably.The post-war Sunderland Corporation's massive housing estate developments, such as Pennywell, Grindon, Red House, Hylton Castle, Thorney Close and Town End Farm, have all passed into the ownership of Sunderland Housing Group, public-private partership