ID 2228, County council (CTY), England
ID 2247, Greater London Authority (GLA), England
ID 2338, District council (DIS), England
ID 2486, London borough (LBO), England
ID 11819, London Assembly constituency (LAC), England
A child of Greater London Authority.
ID 34320, Middle Layer Super Output Area (Full) (OMF), England
ID 34373, Middle Layer Super Output Area (Full) (OMF), England
ID 34375, Middle Layer Super Output Area (Full) (OMF), England
ID 38840, Middle Layer Super Output Area (Full) (OMF), England
ID 38842, Middle Layer Super Output Area (Full) (OMF), England
ID 38845, Middle Layer Super Output Area (Full) (OMF), England
ID 38846, Middle Layer Super Output Area (Full) (OMF), England
ID 38857, Middle Layer Super Output Area (Full) (OMF), England
ID 65596, UK Parliament constituency (WMC), England
ID 65681, UK Parliament constituency (WMC), England
ID 68331, Lower Layer Super Output Area (Full) (OLF), England
ID 68581, Lower Layer Super Output Area (Full) (OLF), England
ID 68616, Lower Layer Super Output Area (Full) (OLF), England
ID 68617, Lower Layer Super Output Area (Full) (OLF), England
ID 68618, Lower Layer Super Output Area (Full) (OLF), England
ID 68623, Lower Layer Super Output Area (Full) (OLF), England
ID 89947, Lower Layer Super Output Area (Full) (OLF), England
ID 89966, Lower Layer Super Output Area (Full) (OLF), England
ID 89968, Lower Layer Super Output Area (Full) (OLF), England
ID 89980, Lower Layer Super Output Area (Full) (OLF), England
ID 89981, Lower Layer Super Output Area (Full) (OLF), England
ID 89982, Lower Layer Super Output Area (Full) (OLF), England
ID 89985, Lower Layer Super Output Area (Full) (OLF), England
ID 89986, Lower Layer Super Output Area (Full) (OLF), England
ID 89990, Lower Layer Super Output Area (Full) (OLF), England
ID 90007, Lower Layer Super Output Area (Full) (OLF), England
ID 144327, District council ward (DIW), England
A child of Three Rivers District Council.
ID 150617, County council electoral division (CED), England
A child of Hertfordshire County Council.
ID 150678, County council electoral division (CED), England
A child of Hertfordshire County Council.
ID 151442, Civil parish/community (CPC), England
A child of Three Rivers District Council.
ID 163653, Travel to Work Areas (TTW), England
ID 163656, Travel to Work Areas (TTW), England
ID 163685, Travel to Work Areas (TTW), England
ID 164857, English Region (ER), England
ID 164863, English Region (ER), England
ID 164978, Non-civil parished area (NCP), England
ID 165404, London borough ward (LBW), England
A child of Hillingdon Borough Council.
ID 168263, Integrated Care Board (ICB), England
ID 168265, Integrated Care Board (ICB), England
ID 168316, Sub ICB Location (SICBL), England
A child of NHS Hertfordshire and West Essex Integrated Care Board.
ID 168391, Sub ICB Location (SICBL), England
A child of NHS North West London Integrated Care Board.
ID 168455, Future UK Parliament constituency (WMCF), England
ID 168456, Future UK Parliament constituency (WMCF), England
ID 168581, Future UK Parliament constituency (WMCF), England