POLYGON ((-0.142703131303006 51.51420228878427, -0.142588058923342 51.51426673180366, -0.142688875311557 51.51442919295432, -0.142780053214613 51.51441493456138, -0.14280849339732 51.51439064361678, -0.142810922058026 51.51433093189011, -0.142703131303006 51.51420228878427))