NP25 4 postcode sector in the NP25 district

NP25 4 is a sector of the NP25 district: every postcode that starts NP25 4. It has 175 postcodes in use, one of them a large-user postcode. 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 4 sector, and which are new since 2020

Map of every postcode in the NP25 4 sector, by new since 2020 Of the 175 postcodes in the NP25 4 sector that ONS places, 2 are new since 2020 and 173 were in use before 2020. Places named: Monmouth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A4136 NP25 4AB: before 2020NP25 4AD: before 2020NP25 4AF: before 2020NP25 4AG: before 2020NP25 4AH: before 2020NP25 4AJ: before 2020NP25 4AL: before 2020NP25 4AN: before 2020NP25 4AP: before 2020NP25 4AQ: before 2020NP25 4AR: before 2020NP25 4AS: before 2020NP25 4AT: before 2020NP25 4AU: before 2020NP25 4AW: before 2020NP25 4AX: before 2020NP25 4AY: before 2020NP25 4BA: before 2020NP25 4BD: before 2020NP25 4BE: before 2020NP25 4BG: before 2020NP25 4BH: before 2020NP25 4BJ: before 2020NP25 4BL: before 2020NP25 4BN: before 2020NP25 4BP: before 2020NP25 4BQ: before 2020NP25 4BR: before 2020NP25 4BS: before 2020NP25 4BT: before 2020NP25 4BU: before 2020NP25 4BW: before 2020NP25 4BX: before 2020NP25 4BY: before 2020NP25 4BZ: before 2020NP25 4DJ: before 2020NP25 4DL: before 2020NP25 4DN: before 2020NP25 4DP: before 2020NP25 4DQ: before 2020NP25 4DR: before 2020NP25 4DS: before 2020NP25 4DT: before 2020NP25 4DU: before 2020NP25 4DW: before 2020NP25 4DX: before 2020NP25 4DY: before 2020NP25 4DZ: before 2020NP25 4EA: before 2020NP25 4EB: before 2020NP25 4ED: before 2020NP25 4EE: before 2020NP25 4HT: before 2020NP25 4HX: before 2020NP25 4HY: before 2020NP25 4HZ: before 2020NP25 4JB: before 2020NP25 4JE: before 2020NP25 4JF: before 2020NP25 4JG: before 2020NP25 4JH: before 2020NP25 4JJ: before 2020NP25 4JL: before 2020NP25 4JN: before 2020NP25 4JP: before 2020NP25 4JQ: before 2020NP25 4JR: before 2020NP25 4JS: before 2020NP25 4JT: before 2020NP25 4LD: before 2020NP25 4LE: before 2020NP25 4LH: before 2020NP25 4LL: before 2020NP25 4LP: before 2020NP25 4LQ: before 2020NP25 4LR: before 2020NP25 4LT: before 2020NP25 4LW: before 2020NP25 4LX: before 2020NP25 4LY: before 2020NP25 4LZ: before 2020NP25 4NA: before 2020NP25 4NB: before 2020NP25 4ND: before 2020NP25 4NE: before 2020NP25 4NY: before 2020NP25 4NZ: before 2020NP25 4PD: before 2020NP25 4PE: before 2020NP25 4PF: before 2020NP25 4PG: before 2020NP25 4PH: before 2020NP25 4PJ: before 2020NP25 4PL: before 2020NP25 4PN: before 2020NP25 4PP: before 2020NP25 4PQ: before 2020NP25 4PR: before 2020NP25 4PS: before 2020NP25 4PT: before 2020NP25 4PU: before 2020NP25 4PW: before 2020NP25 4PX: before 2020NP25 4PY: before 2020NP25 4PZ: before 2020NP25 4QA: before 2020NP25 4QB: before 2020NP25 4QD: before 2020NP25 4QE: before 2020NP25 4QF: before 2020NP25 4QG: before 2020NP25 4QH: before 2020NP25 4QJ: before 2020NP25 4QL: before 2020NP25 4QN: before 2020NP25 4QP: before 2020NP25 4QQ: before 2020NP25 4QS: before 2020NP25 4QT: before 2020NP25 4QU: before 2020NP25 4QW: before 2020NP25 4QX: before 2020NP25 4QY: before 2020NP25 4QZ: before 2020NP25 4RA: before 2020NP25 4RD: before 2020NP25 4RE: before 2020NP25 4RH: before 2020NP25 4RJ: before 2020NP25 4RL: before 2020NP25 4RN: before 2020NP25 4RP: before 2020NP25 4RX: before 2020NP25 4RY: before 2020NP25 4RZ: before 2020NP25 4SA: before 2020NP25 4SB: before 2020NP25 4SD: before 2020NP25 4SF: before 2020NP25 4SP: before 2020NP25 4SQ: before 2020NP25 4SR: before 2020NP25 4SY: before 2020NP25 4SZ: before 2020NP25 4TA: before 2020NP25 4TB: before 2020NP25 4TD: before 2020NP25 4TE: before 2020NP25 4TF: before 2020NP25 4TG: before 2020NP25 4TH: before 2020NP25 4TJ: before 2020NP25 4TN: before 2020NP25 4TP: before 2020NP25 4TQ: before 2020NP25 4TR: before 2020NP25 4TS: before 2020NP25 4TT: before 2020NP25 4TU: before 2020NP25 4TW: before 2020NP25 4TX: before 2020NP25 4TY: before 2020NP25 4TZ: before 2020NP25 4UA: before 2020NP25 4XJ: before 2020NP25 4AZ: new since 2020NP25 4DA: new since 2020 Monmouth Map of every postcode in the NP25 4 sector, by new since 2020 Of the 175 postcodes in the NP25 4 sector that ONS places, 2 are new since 2020 and 173 were in use before 2020. Places named: Monmouth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A4136 Monmouth
  • New since 2020: 2
  • In use before 2020: 173

Of the 175 postcodes in the NP25 4 sector that ONS places, 2 are new since 2020 and 173 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 2 newest postcodes

NP25 4AZApril 2021NP25 4DASeptember 2020

What do homes sell for in NP25 4?

Homes in NP25 4 sold for a typical £510,000 in the 12 months to August 2026, across 27 sales, down 4.2% on the 12 months before, HM Land Registry's figures show.

£510,000 typical price, the 12 months to August 2026
£532,500 12 months to August 2025
▼ down 4.2% on the 12 months before
  • Detached £584,000 18 sales
  • Semi-detached 4 sales, too few to price
  • Terraced £243,000 5 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 4. 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 4

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 4ABNP25 4ADNP25 4AFNP25 4AGNP25 4AHNP25 4AJNP25 4ALNP25 4ANNP25 4APNP25 4AQNP25 4ARNP25 4ASNP25 4ATNP25 4AUNP25 4AWNP25 4AXNP25 4AYNP25 4AZNP25 4BANP25 4BDNP25 4BENP25 4BGNP25 4BHNP25 4BJNP25 4BLNP25 4BNNP25 4BPNP25 4BQNP25 4BRNP25 4BSNP25 4BTNP25 4BUNP25 4BWNP25 4BXNP25 4BYNP25 4BZNP25 4DANP25 4DJNP25 4DLNP25 4DNNP25 4DPNP25 4DQNP25 4DRNP25 4DSNP25 4DTNP25 4DUNP25 4DWNP25 4DXNP25 4DYNP25 4DZNP25 4EANP25 4EBNP25 4EDNP25 4EENP25 4HTNP25 4HXNP25 4HYNP25 4HZNP25 4JBNP25 4JENP25 4JFNP25 4JGNP25 4JHNP25 4JJNP25 4JLNP25 4JNNP25 4JPNP25 4JQNP25 4JRNP25 4JSNP25 4JTNP25 4LDNP25 4LENP25 4LHNP25 4LLNP25 4LNNP25 4LPNP25 4LQNP25 4LRNP25 4LTNP25 4LUNP25 4LWNP25 4LXNP25 4LYNP25 4LZNP25 4NANP25 4NBNP25 4NDNP25 4NENP25 4NYNP25 4NZNP25 4PANP25 4PBNP25 4PDNP25 4PENP25 4PFNP25 4PGNP25 4PHNP25 4PJNP25 4PLNP25 4PNNP25 4PPNP25 4PQNP25 4PRNP25 4PSNP25 4PTNP25 4PUNP25 4PWNP25 4PXNP25 4PYNP25 4PZNP25 4QANP25 4QBNP25 4QDNP25 4QENP25 4QFNP25 4QGNP25 4QHNP25 4QJNP25 4QLNP25 4QNNP25 4QPNP25 4QQNP25 4QRNP25 4QSNP25 4QTNP25 4QUNP25 4QWNP25 4QXNP25 4QYNP25 4QZNP25 4RANP25 4RBNP25 4RDNP25 4RENP25 4RHNP25 4RJNP25 4RLNP25 4RNNP25 4RPNP25 4RXNP25 4RYNP25 4RZNP25 4SANP25 4SBNP25 4SDNP25 4SENP25 4SFNP25 4SPNP25 4SQNP25 4SRNP25 4SYNP25 4SZNP25 4TANP25 4TBNP25 4TDNP25 4TENP25 4TFNP25 4TGNP25 4THNP25 4TJNP25 4TLNP25 4TNNP25 4TPNP25 4TQNP25 4TRNP25 4TSNP25 4TTNP25 4TUNP25 4TWNP25 4TXNP25 4TYNP25 4TZNP25 4UANP25 4XJ

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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