Kew Green is a large open space in Kew in west London. Owned by the Crown Estate, it is leased to the London Borough of Richmond-upon-Thames. It is roughly triangular in shape, and its open grassland, framed with broadleaf trees, extends to about thirty acres. Kew Green is overlooked by a mixture of period townhouses, historic buildings and …Kew Green is a large open space in Kew in west London. Owned by the Crown Estate, it is leased to the London Borough of Richmond-upon-Thames. It is roughly triangular in shape, and its open grassland, framed with broadleaf trees, extends to about thirty acres. Kew Green is overlooked by a mixture of period townhouses, historic buildings and commercial establishments. Since the 1730s, Kew Green has been a venue for cricket matches.