The Rossway Quarter scheme, built on a former industrial estate for a car scrappage business on Plomley Place, consists of 31 one- and two-bedroom apartments and 24 two- and three-bedroom houses.
Some 37 properties have been allocated to people in housing need, nominated by Hertsmere Borough Council, and the remaining 18 will help people get their first step on the property ladder through shared ownership.
Set around a central communal garden with a play area, Hightown has also planted 77 trees, as well as hedges and shrubs.
Construction began in March 2019 and, despite the significant challenges for the construction industry caused by Covid-19, the development recently completed, and the majority of the residents have now moved in.
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A special ribbon cutting event took place to celebrate the opening, where councillor John Graham, deputy mayor of Hertsmere, declared the homes officially open.
The event was also attended by councillor Jean Heywood, portfolio holder for housing at Hertsmere Borough Council, as well as Hightown's chief executive David Bogle , the contractors involved, and many of the new residents.
David said: "Bushey is a great place to live, and I'm proud that we were able to deliver one of the few 100% affordable housing developments in the area.
“A lot of thought went into the design to ensure we created a community as well as high quality homes.
"Thank you to Hertsmere Borough Council and the building contractor, Jarvis, who helped us to deliver one of our finest developments in recent years.
“With welcome support from Homes England, these new homes have given an affordable home to local people and families priced out of renting or buying on the open market."
Graham added: "It was a great honour to open these new homes, and I enjoyed meeting the residents and everyone at Hightown.
“As house prices and private rents increase, affordable housing is vital as it means more of our younger residents can afford to stay in Hertsmere.
“This is an excellent development, and I am sure the residents will be happy living here for many years to come."