Barn Hill Conservation Group Barn Hill Conservation Group was formed in 1984 to help to conserve Fryent Country Park, a green oasis in the London Borough of Brent and has over 100 hectares of meadows, woods, hedgerows and ponds. The Park is always open for people to enjoy the wonderful variety of wildlife. It is a great place for walks and picnics plus fun and games for the children.

Roe Green Walled Garden is a Victorian walled garden situated within the park and the headquarters of Barn Hill Conservation Group, who restored and now maintain the garden. The garden has a formal rose gardens and wildlife area, together with a herbaceous border, vegetable plot,compost area, tree nursery, fruit trees, ponds, rock garden, rose arch, children's area and a workshop with a small Victorian display.