NP25 3 postcode sector in the NP25 district

NP25 3 is a sector of the NP25 district: every postcode that starts NP25 3. It has 197 postcodes in use, 5 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the NP25 3 sector, and which are new since 2020

Map of every postcode in the NP25 3 sector, by new since 2020 Of the 197 postcodes in the NP25 3 sector that ONS places, 3 are new since 2020 and 194 were in use before 2020. Places named: Monmouth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A466 NP25 3AB: before 2020NP25 3AE: before 2020NP25 3AR: before 2020NP25 3AS: before 2020NP25 3AT: before 2020NP25 3AU: before 2020NP25 3AX: before 2020NP25 3AY: before 2020NP25 3AZ: before 2020NP25 3BD: before 2020NP25 3BE: before 2020NP25 3BG: before 2020NP25 3BQ: before 2020NP25 3BR: before 2020NP25 3BS: before 2020NP25 3BT: before 2020NP25 3BU: before 2020NP25 3BW: before 2020NP25 3BY: before 2020NP25 3BZ: before 2020NP25 3DA: before 2020NP25 3DB: before 2020NP25 3DD: before 2020NP25 3DE: before 2020NP25 3DF: before 2020NP25 3DG: before 2020NP25 3DH: before 2020NP25 3DJ: before 2020NP25 3DL: before 2020NP25 3DN: before 2020NP25 3DP: before 2020NP25 3DQ: before 2020NP25 3DR: before 2020NP25 3DS: before 2020NP25 3DU: before 2020NP25 3DX: before 2020NP25 3DY: before 2020NP25 3DZ: before 2020NP25 3EA: before 2020NP25 3EB: before 2020NP25 3ED: before 2020NP25 3EE: before 2020NP25 3EF: before 2020NP25 3EG: before 2020NP25 3EH: before 2020NP25 3EL: before 2020NP25 3EN: before 2020NP25 3EQ: before 2020NP25 3ER: before 2020NP25 3EW: before 2020NP25 3EX: before 2020NP25 3GA: before 2020NP25 3GB: before 2020NP25 3GD: before 2020NP25 3GE: before 2020NP25 3GZ: before 2020NP25 3HB: before 2020NP25 3HD: before 2020NP25 3HE: before 2020NP25 3HF: before 2020NP25 3HG: before 2020NP25 3HH: before 2020NP25 3HJ: before 2020NP25 3HL: before 2020NP25 3HN: before 2020NP25 3HP: before 2020NP25 3HQ: before 2020NP25 3HR: before 2020NP25 3HS: before 2020NP25 3HT: before 2020NP25 3HU: before 2020NP25 3HW: before 2020NP25 3HX: before 2020NP25 3HY: before 2020NP25 3HZ: before 2020NP25 3JD: before 2020NP25 3JE: before 2020NP25 3JG: before 2020NP25 3JH: before 2020NP25 3JJ: before 2020NP25 3JL: before 2020NP25 3JN: before 2020NP25 3JP: before 2020NP25 3JQ: before 2020NP25 3JR: before 2020NP25 3JS: before 2020NP25 3JU: before 2020NP25 3JW: before 2020NP25 3JX: before 2020NP25 3JY: before 2020NP25 3JZ: before 2020NP25 3LA: before 2020NP25 3LB: before 2020NP25 3LD: before 2020NP25 3LE: before 2020NP25 3LF: before 2020NP25 3LG: before 2020NP25 3LH: before 2020NP25 3LJ: before 2020NP25 3LL: before 2020NP25 3LN: before 2020NP25 3LP: before 2020NP25 3LQ: before 2020NP25 3LR: before 2020NP25 3LS: before 2020NP25 3LT: before 2020NP25 3LU: before 2020NP25 3LW: before 2020NP25 3LX: before 2020NP25 3LY: before 2020NP25 3LZ: before 2020NP25 3NA: before 2020NP25 3NB: before 2020NP25 3ND: before 2020NP25 3NE: before 2020NP25 3NF: before 2020NP25 3NG: before 2020NP25 3NH: before 2020NP25 3NJ: before 2020NP25 3NL: before 2020NP25 3NN: before 2020NP25 3NP: before 2020NP25 3NQ: before 2020NP25 3NR: before 2020NP25 3NS: before 2020NP25 3NT: before 2020NP25 3NU: before 2020NP25 3NW: before 2020NP25 3NX: before 2020NP25 3NZ: before 2020NP25 3PA: before 2020NP25 3PB: before 2020NP25 3PD: before 2020NP25 3PE: before 2020NP25 3PF: before 2020NP25 3PG: before 2020NP25 3PH: before 2020NP25 3PJ: before 2020NP25 3PL: before 2020NP25 3PN: before 2020NP25 3PP: before 2020NP25 3PQ: before 2020NP25 3PR: before 2020NP25 3PS: before 2020NP25 3PT: before 2020NP25 3PU: before 2020NP25 3PW: before 2020NP25 3PX: before 2020NP25 3PY: before 2020NP25 3QG: before 2020NP25 3SA: before 2020NP25 3SB: before 2020NP25 3SD: before 2020NP25 3SE: before 2020NP25 3SF: before 2020NP25 3SG: before 2020NP25 3SH: before 2020NP25 3SJ: before 2020NP25 3SN: before 2020NP25 3SP: before 2020NP25 3SQ: before 2020NP25 3SR: before 2020NP25 3SS: before 2020NP25 3ST: before 2020NP25 3SU: before 2020NP25 3SW: before 2020NP25 3SX: before 2020NP25 3SY: before 2020NP25 3SZ: before 2020NP25 3TB: before 2020NP25 3TD: before 2020NP25 3TE: before 2020NP25 3TF: before 2020NP25 3TG: before 2020NP25 3TH: before 2020NP25 3TJ: before 2020NP25 3TL: before 2020NP25 3TN: before 2020NP25 3TP: before 2020NP25 3TY: before 2020NP25 3UA: before 2020NP25 3UY: before 2020NP25 3UZ: before 2020NP25 3XA: before 2020NP25 3XE: before 2020NP25 3XP: before 2020NP25 3YD: before 2020NP25 3YT: before 2020NP25 3AF: new since 2020NP25 3AG: new since 2020NP25 3HA: new since 2020 Monmouth Map of every postcode in the NP25 3 sector, by new since 2020 Of the 197 postcodes in the NP25 3 sector that ONS places, 3 are new since 2020 and 194 were in use before 2020. Places named: Monmouth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A466A40 Monmouth
  • New since 2020: 3
  • In use before 2020: 194

Of the 197 postcodes in the NP25 3 sector that ONS places, 3 are new since 2020 and 194 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The 3 newest postcodes

NP25 3AFMarch 2025NP25 3AGNovember 2023NP25 3HAMarch 2023

What do homes sell for in NP25 3?

Homes in NP25 3 sold for a typical £325,000 in the 12 months to August 2026, across 65 sales, up 11.7% on the 12 months before, HM Land Registry's figures show.

£325,000 typical price, the 12 months to August 2026
£291,000 12 months to August 2025
▲ up 11.7% on the 12 months before
  • Detached £540,000 25 sales
  • Semi-detached £261,500 18 sales
  • Terraced £390,000 11 sales
  • Flat or maisonette £195,000 11 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start NP25 3. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in NP25 3

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

NP25 3ABNP25 3AENP25 3AFNP25 3AGNP25 3ARNP25 3ASNP25 3ATNP25 3AUNP25 3AXNP25 3AYNP25 3AZNP25 3BDNP25 3BENP25 3BGNP25 3BQNP25 3BRNP25 3BSNP25 3BTNP25 3BUNP25 3BWNP25 3BXNP25 3BYNP25 3BZNP25 3DANP25 3DBNP25 3DDNP25 3DENP25 3DFNP25 3DGNP25 3DHNP25 3DJNP25 3DLNP25 3DNNP25 3DPNP25 3DQNP25 3DRNP25 3DSNP25 3DTNP25 3DUNP25 3DXNP25 3DYNP25 3DZNP25 3EANP25 3EBNP25 3EDNP25 3EENP25 3EFNP25 3EGNP25 3EHNP25 3EJNP25 3ELNP25 3ENNP25 3EQNP25 3ERNP25 3EWNP25 3EXNP25 3GANP25 3GBNP25 3GDNP25 3GENP25 3GZNP25 3HANP25 3HBNP25 3HDNP25 3HENP25 3HFNP25 3HGNP25 3HHNP25 3HJNP25 3HLNP25 3HNNP25 3HPNP25 3HQNP25 3HRNP25 3HSNP25 3HTNP25 3HUNP25 3HWNP25 3HXNP25 3HYNP25 3HZNP25 3JDNP25 3JENP25 3JGNP25 3JHNP25 3JJNP25 3JLNP25 3JNNP25 3JPNP25 3JQNP25 3JRNP25 3JSNP25 3JUNP25 3JWNP25 3JXNP25 3JYNP25 3JZNP25 3LANP25 3LBNP25 3LDNP25 3LENP25 3LFNP25 3LGNP25 3LHNP25 3LJNP25 3LLNP25 3LNNP25 3LPNP25 3LQNP25 3LRNP25 3LSNP25 3LTNP25 3LUNP25 3LWNP25 3LXNP25 3LYNP25 3LZNP25 3NANP25 3NBNP25 3NDNP25 3NENP25 3NFNP25 3NGNP25 3NHNP25 3NJNP25 3NLNP25 3NNNP25 3NPNP25 3NQNP25 3NRNP25 3NSNP25 3NTNP25 3NUNP25 3NWNP25 3NXNP25 3NYNP25 3NZNP25 3PANP25 3PBNP25 3PDNP25 3PENP25 3PFNP25 3PGNP25 3PHNP25 3PJNP25 3PLNP25 3PNNP25 3PPNP25 3PQNP25 3PRNP25 3PSNP25 3PTNP25 3PUNP25 3PWNP25 3PXNP25 3PYNP25 3QGNP25 3SANP25 3SBNP25 3SDNP25 3SENP25 3SFNP25 3SGNP25 3SHNP25 3SJNP25 3SNNP25 3SPNP25 3SQNP25 3SRNP25 3SSNP25 3STNP25 3SUNP25 3SWNP25 3SXNP25 3SYNP25 3SZNP25 3TBNP25 3TDNP25 3TENP25 3TFNP25 3TGNP25 3THNP25 3TJNP25 3TLNP25 3TNNP25 3TPNP25 3TYNP25 3UANP25 3UYNP25 3UZNP25 3XANP25 3XENP25 3XJNP25 3XPNP25 3YDNP25 3YRNP25 3YT

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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