Jon is a Chartered Landscape Architect with over 25 years’ experience of developing strategy and design for public open space and public realm.

Following private practice in Wales and the delivery of a public art strategy for Cardiff Bay, Jon delivered major urban park restoration projects in Enfield (Pymmes Park) and Southwark (Nunhead Cemetery, Southwark Park, Peckham Rye Park and Dulwich Park).

As Head of Parks for Southwark Council, Jon implemented a £25 million investment programme in public space including the creation of new public spaces at Burgess Park and Bermondsey Spa. Jon created London’s first independent park trust at Potters Fields following an £8 million refurbishment. Jon established Jon Sheaff and Associates in 2011, and delivered open space strategies for the London Boroughs of Barnet, Barking and Dagenham, Lewisham and Croydon and award winning Corporate Natural Capital Accounts for a number of public organisations.

Jon’s interest in historic landscape has been expressed in projects to restore Greenwich Park, Great Linford Manor Park (for the Milton Keynes Parks Trust) and Humphry Repton’s landscape at Langtons Gardens. Current projects include Silkstream Park in Barnet, the restoration of the Hainault Forest SSSI in Redbridge and the development of open space standards for Cambridgeshire as part of the Future Parks Accelerator programme. Jon was a member of the Heritage Lottery Fund’s Committee for London until 2018, determining the disbursement Lottery funds across the capital and is currently a Trustee for the Compton Verney Trust.