The development consists of 175 units, which will be available through shared ownership or at affordable rent.
Local architects On Architecture will be designing the scheme, providing sight lines to retain views of the 19th century Grade II listed Springfield House.
The scheme will be delivered in conjunction with a housing association and discussions with potential partners are currently ongoing.
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Southern Grove’s scheme will be much lower than the neighbouring development, which has a 17-storey tower.
Tom Slingsby, CEO at Southern Grove, said: “Local authorities have never been under more pressure to provide affordable housing, but are also big supporters of inspirational and sympathetic design.
“We’re pressing ahead with the scheme despite the economic fallout from coronavirus still being unclear because we can see Maidstone offers a strong foothold in the London commuter belt.”