NP25 postcode district: Monmouth and around

NP25 is a postcode district mostly in Wales, with 577 postcodes in use in 4 sectors. It has postcodes in Monmouth. It is split between 3 councils: Monmouthshire (541 postcodes), County of Herefordshire (20) and Forest of Dean (16). It crosses a national border: 541 are in Wales and 36 in England. 16 of its 577 postcodes are in Gloucestershire. ONS lists no county for the other 561.

Postcodes in use
577
Sectors
4
Councils
3 councils
Places
Monmouth

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in NP25, and which are new since 2020

Map of every postcode in NP25, by new since 2020 Of the 577 postcodes in NP25 that ONS places, 7 are new since 2020 and 570 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. 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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 4TE: before 2020NP25 4TF: before 2020NP25 4TG: before 2020NP25 4TH: before 2020NP25 4TN: before 2020NP25 4TP: 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 5AA: before 2020NP25 5AD: before 2020NP25 5AG: before 2020NP25 5AH: before 2020NP25 5AL: before 2020NP25 5AN: before 2020NP25 5AP: before 2020NP25 5AQ: before 2020NP25 5AR: before 2020NP25 5AS: before 2020NP25 5AT: before 2020NP25 5AU: before 2020NP25 5AW: before 2020NP25 5AX: before 2020NP25 5AY: before 2020NP25 5BA: before 2020NP25 5BB: before 2020NP25 5BD: before 2020NP25 5BL: before 2020NP25 5BP: before 2020NP25 5BQ: before 2020NP25 5BS: before 2020NP25 5BT: before 2020NP25 5BX: before 2020NP25 5BY: before 2020NP25 5DA: before 2020NP25 5DB: before 2020NP25 5DD: before 2020NP25 5DE: before 2020NP25 5DF: before 2020NP25 5DG: before 2020NP25 5DH: before 2020NP25 5DJ: before 2020NP25 5DL: before 2020NP25 5DN: before 2020NP25 5DP: before 2020NP25 5DQ: before 2020NP25 5DS: before 2020NP25 5DT: before 2020NP25 5DW: before 2020NP25 5DY: before 2020NP25 5EB: before 2020NP25 5EE: before 2020NP25 5EF: before 2020NP25 5EN: before 2020NP25 5EP: before 2020NP25 5EY: before 2020NP25 5FB: before 2020NP25 5FD: before 2020NP25 5FG: before 2020NP25 5FJ: before 2020NP25 5FL: before 2020NP25 5FP: before 2020NP25 5GB: before 2020NP25 5GD: before 2020NP25 5GE: before 2020NP25 5HB: before 2020NP25 5HD: before 2020NP25 5HE: before 2020NP25 5HH: before 2020NP25 5HJ: before 2020NP25 5HL: before 2020NP25 5HN: before 2020NP25 5HP: before 2020NP25 5HQ: before 2020NP25 5HR: before 2020NP25 5HS: before 2020NP25 5HT: before 2020NP25 5HW: before 2020NP25 5JA: before 2020NP25 5LB: before 2020NP25 5LD: before 2020NP25 5LF: before 2020NP25 5NF: before 2020NP25 5NG: before 2020NP25 5NH: before 2020NP25 5NJ: before 2020NP25 5NL: before 2020NP25 5NN: before 2020NP25 5NQ: before 2020NP25 5NR: before 2020NP25 5NS: before 2020NP25 5NT: before 2020NP25 5NU: before 2020NP25 5NX: before 2020NP25 5NY: before 2020NP25 5PW: before 2020NP25 5PX: before 2020NP25 5PY: before 2020NP25 5QA: before 2020NP25 5QB: before 2020NP25 5QD: before 2020NP25 5QE: before 2020NP25 5QF: before 2020NP25 5QG: before 2020NP25 5QH: before 2020NP25 5QJ: before 2020NP25 5QL: before 2020NP25 5QQ: before 2020NP25 5QX: before 2020NP25 5QY: before 2020NP25 5QZ: before 2020NP25 5RA: before 2020NP25 5RB: before 2020NP25 5RD: before 2020NP25 5RE: before 2020NP25 5RG: before 2020NP25 5RH: before 2020NP25 5RL: before 2020NP25 5RN: before 2020NP25 5RP: before 2020NP25 5RQ: before 2020NP25 5RR: before 2020NP25 5RS: before 2020NP25 5RT: before 2020NP25 5RW: before 2020NP25 5RY: before 2020NP25 5RZ: before 2020NP25 5SB: before 2020NP25 5SD: before 2020NP25 5SR: before 2020NP25 5SS: before 2020NP25 5ST: before 2020NP25 5SU: before 2020NP25 5SW: before 2020NP25 5SX: before 2020NP25 5SY: before 2020NP25 5SZ: before 2020NP25 5TN: before 2020NP25 5TW: before 2020NP25 5UA: before 2020NP25 5UB: before 2020NP25 5UE: before 2020NP25 5UG: before 2020NP25 5UH: before 2020NP25 5UP: before 2020NP25 5UQ: before 2020NP25 5UR: before 2020NP25 5US: before 2020NP25 5UT: before 2020NP25 5UW: before 2020NP25 5UY: before 2020NP25 5XT: before 2020NP25 4LR: before 2020NP25 4NA: before 2020NP25 4LT: before 2020NP25 5RF: before 2020NP25 3AF: new since 2020NP25 3AG: new since 2020NP25 3HA: new since 2020NP25 4AZ: new since 2020NP25 4DA: new since 2020NP25 9DA: new since 2020 Monmouth Map of every postcode in NP25, by new since 2020 Of the 577 postcodes in NP25 that ONS places, 7 are new since 2020 and 570 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. Monmouth
  • New since 2020: 7
  • In use before 2020: 570

Of the 577 postcodes in NP25 that ONS places, 7 are new since 2020 and 570 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.

The middle of its postcodes: latitude 51.8026, longitude -2.7244. Open this area on OpenStreetMap

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

What broadband can you get in NP25?

Ofcom reports on 568 of the 577 postcodes in NP25. At 277 of them every home and business can get gigabit broadband, and at 37 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit277 of 568
Postcodes where every home can get superfast429 of 568
Postcodes where some cannot get decent broadband37 of 568

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is NP25 at risk of flooding?

9 of the 36 postcodes in NP25 that are in England have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 59 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 9 of 36 postcodes High: 46Medium: 13Low: 19

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in NP25?

Homes in NP25 sold for a typical £330,000 in the 12 months to August 2026, across 163 sales, up 7.1% on the 12 months before, HM Land Registry's figures show.

£330,000 typical price, the 12 months to August 2026
£308,250 12 months to August 2025
▲ up 7.1% on the 12 months before
  • Detached £435,000 78 sales
  • Semi-detached £258,000 45 sales
  • Terraced £252,000 27 sales
  • Flat or maisonette £178,000 13 sales

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

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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

Pick a sector, then a postcode. A sector is the district plus the next digit.

UK postcode format explained

Places in NP25

Towns and villages with postcodes in NP25, and how many each has here.

Who covers NP25

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Monmouthshire541
  • Hereford and South Herefordshire20
  • Forest of Dean16

Police force areas

  • Gwent541
  • West Mercia20
  • Gloucestershire16

Next to NP25

"Next to" is by number: the districts before and after NP25 in the NP area.

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