Fraser Bond are the leading lettings and property management agents for Octavia Oakleigh Grove - London N20. Octavia Oakleigh Grove is a residential development in Whetstone, London N20. A new 4-storey building from Tayor Wimpey next to the already established Oakleigh Grove development. New Build Homes For Sale: 1 and 2 bedroom apartments for sale. The building was named after social reformer and co-founder of the National Trust, Octavia Hill.