POLYGON ((-0.161486734947108 51.5148877406869, -0.161225395898107 51.51488364396292, -0.161225102902788 51.51488288999622, -0.161437263670673 51.514833759715344, -0.161469667887748 51.514840089708464, -0.161486734947108 51.5148877406869))