View the Addagrip entry on BPindex Visit the Addagrip website Christchurch Gardens, London In late 2018 Westminster City Council commissioned WSP & Reardonsmith Landscape Architects to develop the design proposals for the Public Realm Improvements on Christchurch Gardens, a green space in Westminster, London. Works on the Ā£3.3Million scheme commenced in October 2019 with extensive remodelling of the park to …