Fears over the environmental impact of plans to demolish 30 homes and replace them with 84 new properties have been raised by a neighbourhood group. The site in Fanshawe Road, Cambridge, is currently home to 30 ageing homes – 20 council apartments and 10 leasehold apartments – built in the 1950s. The council says the properties are no longer cost effective to maintain or renovate and has put forward plans to replace them. But Fanshawe Neighbours’ Group is concerned about the effect of the development on the estate’s green space, which currently provides habitats for a number of different speci…