Postcodes in Monmouthshire page 12 Unitary Authority

This page provides postcode data for the Monmouthshire UK Unitary Authority.

In 2021, Monmouthshire contained approximately 40,900 households with a population of about 93,000

In 2011, Monmouthshire contained approximately 38,211 households with a population of about 91,283

Parishes in this Unitary Authority
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
NP16 6TB St Arvans 51.698472 -2.679645 353125 200188 SO531001
NP16 6TD St Arvans 51.695487 -2.685822 352695 199860 ST526998
NP16 6TE St Arvans 51.697745 -2.677927 353243 200106 SO532001
NP16 6TF St Arvans 51.697369 -2.683811 352836 200068 SO528000
NP16 6TG St Arvans 51.695206 -2.686223 352667 199829 ST526998
NP16 6TH St Arvans 51.698461 -2.69083 352352 200194 SO523001
NP16 6TJ St Arvans 51.698518 -2.688791 352493 200199 SO524001
NP16 6TL St Arvans 51.69873 -2.690994 352341 200224 SO523002
NP16 6TN St Arvans 51.698693 -2.692628 352228 200221 SO522002
NP16 6TP St Arvans 51.698405 -2.713648 350775 200203 SO507002
NP16 6TQ St Arvans 51.697997 -2.685658 352709 200139 SO527001
NP16 6TR St Arvans 51.700346 -2.707891 351175 200415 SO511004
NP16 6TS St Arvans 51.698742 -2.705579 351333 200235 SO513002
NP16 6TT St Arvans 51.699064 -2.71321 350806 200276 SO508002
NP16 6TU St Arvans 51.699141 -2.701939 351585 200277 SO515002
NP16 6TW St Arvans 51.699068 -2.69301 352202 200263 SO522002
NP16 6TX St Arvans 51.707453 -2.68457 352794 201190 SO527011
NP16 6TY St Arvans 51.705945 -2.684027 352830 201022 SO528010
NP16 6TZ Shirenewton 51.651107 -2.772168 346675 194984 ST466949
NP16 6UA Shirenewton 51.640166 -2.755407 347822 193755 ST478937
NP16 6UB Shirenewton 51.63 -2.696755 351870 192584 ST518925
NP16 6UD Bulwark and Thornwell 51.616589 -2.674437 353401 191078 ST534910
NP16 6UE Shirenewton 51.629847 -2.698197 351770 192568 ST517925
NP16 6UF Shirenewton 51.620693 -2.693694 352072 191547 ST520915
NP16 6UG Mitchel Troy and Trellech United 51.721518 -2.708438 351160 202770 SO511027
NP16 6UH Caerwent 51.627292 -2.799964 344723 192356 ST447923
NP16 6UJ St Arvans 51.697991 -2.683516 352857 200137 SO528001
NP16 6UL Mitchel Troy and Trellech United 51.721456 -2.703645 351491 202760 SO514027
NP16 6UN Bulwark and Thornwell 51.618691 -2.670077 353705 191309 ST537913
NP16 6UP Bulwark and Thornwell 51.615732 -2.671738 353587 190981 ST535909
NP16 6WA Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WX Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WY Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6WZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6XB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6XG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6XL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6XN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6XP Devauden 51.661066 -2.732175 349453 196063 ST494960
NP16 6XQ Devauden 51.661066 -2.732175 349453 196063 ST494960
NP16 6XR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6XS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YA Shirenewton 51.610971 -2.70159 351515 190471 ST515904
NP16 6YB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YD Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YE St Kingsmark 51.644992 -2.691623 352241 194248 ST522942
NP16 6YF Devauden 51.661066 -2.732175 349453 196063 ST494960
NP16 6YG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YJ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YL Devauden 51.661066 -2.732175 349453 196063 ST494960
NP16 6YN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YX Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YY Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6YZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6ZA Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6ZB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6ZD Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6ZE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6ZG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 6ZS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7NX St Arvans 51.705358 -2.67367 353545 200950 SO535009
NP16 7WE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WJ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WX Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WY Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7WZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YA Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
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