NN4 0 postcode sector in the NN4 district

NN4 0 is a sector of the NN4 district: every postcode that starts NN4 0. It has 184 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 NN4 0 sector, by flood risk

Map of every postcode in the NN4 0 sector, by flood risk Of the 184 postcodes in the NN4 0 sector that ONS places, 2 are at medium risk at worst, 7 are at low risk at worst, 1 are at very low risk only and 174 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A5123A43A45A5076 NN4 0AD: not on the flood risk listNN4 0AH: not on the flood risk listNN4 0AJ: not on the flood risk listNN4 0AP: not on the flood risk listNN4 0AQ: not on the flood risk listNN4 0AR: not on the flood risk listNN4 0AS: not on the flood risk listNN4 0AT: not on the flood risk listNN4 0AU: not on the flood risk listNN4 0AW: not on the flood risk listNN4 0AX: not on the flood risk listNN4 0AY: not on the flood risk listNN4 0AZ: not on the flood risk listNN4 0BB: not on the flood risk listNN4 0BD: not on the flood risk listNN4 0BE: not on the flood risk listNN4 0BF: not on the flood risk listNN4 0BG: not on the flood risk listNN4 0BJ: not on the flood risk listNN4 0BL: not on the flood risk listNN4 0BN: not on the flood risk listNN4 0BP: not on the flood risk listNN4 0DA: not on the flood risk listNN4 0DB: not on the flood risk listNN4 0DD: not on the flood risk listNN4 0DE: not on the flood risk listNN4 0DF: not on the flood risk listNN4 0DG: not on the flood risk listNN4 0FF: not on the flood risk listNN4 0FG: not on the flood risk listNN4 0FH: not on the flood risk listNN4 0FJ: not on the flood risk listNN4 0FL: not on the flood risk listNN4 0FN: not on the flood risk listNN4 0FP: not on the flood risk listNN4 0FQ: not on the flood risk listNN4 0FS: not on the flood risk listNN4 0GP: not on the flood risk listNN4 0HZ: not on the flood risk listNN4 0JA: not on the flood risk listNN4 0JF: not on the flood risk listNN4 0JH: not on the flood risk listNN4 0JN: not on the flood risk listNN4 0JQ: not on the flood risk listNN4 0JW: not on the flood risk listNN4 0LY: not on the flood risk listNN4 0NB: not on the flood risk listNN4 0ND: not on the flood risk listNN4 0NE: not on the flood risk listNN4 0NF: not on the flood risk listNN4 0NG: not on the flood risk listNN4 0NH: not on the flood risk listNN4 0NJ: not on the flood risk listNN4 0NL: not on the flood risk listNN4 0NN: not on the flood risk listNN4 0NQ: not on the flood risk listNN4 0NR: not on the flood risk listNN4 0NS: not on the flood risk listNN4 0NT: not on the flood risk listNN4 0NY: not on the flood risk listNN4 0PF: not on the flood risk listNN4 0PH: not on the flood risk listNN4 0PQ: not on the flood risk listNN4 0PR: not on the flood risk listNN4 0PU: not on the flood risk listNN4 0QA: not on the flood risk listNN4 0QB: not on the flood risk listNN4 0QD: not on the flood risk listNN4 0QE: not on the flood risk listNN4 0QF: not on the flood risk listNN4 0QG: not on the flood risk listNN4 0QH: not on the flood risk listNN4 0QJ: not on the flood risk listNN4 0QP: not on the flood risk listNN4 0QQ: not on the flood risk listNN4 0QR: not on the flood risk listNN4 0QS: not on the flood risk listNN4 0QT: not on the flood risk listNN4 0QU: not on the flood risk listNN4 0QW: not on the flood risk listNN4 0QX: not on the flood risk listNN4 0QY: not on the flood risk listNN4 0QZ: not on the flood risk listNN4 0RA: not on the flood risk listNN4 0RB: not on the flood risk listNN4 0RD: not on the flood risk listNN4 0RE: not on the flood risk listNN4 0RF: not on the flood risk listNN4 0RH: not on the flood risk listNN4 0RJ: not on the flood risk listNN4 0RL: not on the flood risk listNN4 0RN: not on the flood risk listNN4 0RP: not on the flood risk listNN4 0RQ: not on the flood risk listNN4 0RR: not on the flood risk listNN4 0RS: not on the flood risk listNN4 0RT: not on the flood risk listNN4 0RU: not on the flood risk listNN4 0RX: not on the flood risk listNN4 0RY: not on the flood risk listNN4 0RZ: not on the flood risk listNN4 0SA: not on the flood risk listNN4 0SB: not on the flood risk listNN4 0SD: not on the flood risk listNN4 0SE: not on the flood risk listNN4 0SF: not on the flood risk listNN4 0SG: not on the flood risk listNN4 0SH: not on the flood risk listNN4 0SJ: not on the flood risk listNN4 0SL: not on the flood risk listNN4 0SN: not on the flood risk listNN4 0SP: not on the flood risk listNN4 0SQ: not on the flood risk listNN4 0SR: not on the flood risk listNN4 0SS: not on the flood risk listNN4 0ST: not on the flood risk listNN4 0SU: not on the flood risk listNN4 0SW: not on the flood risk listNN4 0SX: not on the flood risk listNN4 0SY: not on the flood risk listNN4 0TA: not on the flood risk listNN4 0TD: not on the flood risk listNN4 0TE: not on the flood risk listNN4 0TG: not on the flood risk listNN4 0TJ: not on the flood risk listNN4 0TN: not on the flood risk listNN4 0TP: not on the flood risk listNN4 0TQ: not on the flood risk listNN4 0TR: not on the flood risk listNN4 0TS: not on the flood risk listNN4 0TT: not on the flood risk listNN4 0TU: not on the flood risk listNN4 0TW: not on the flood risk listNN4 0TX: not on the flood risk listNN4 0TZ: not on the flood risk listNN4 0UA: not on the flood risk listNN4 0UB: not on the flood risk listNN4 0UD: not on the flood risk listNN4 0UE: not on the flood risk listNN4 0UH: not on the flood risk listNN4 0UP: not on the flood risk listNN4 0US: not on the flood risk listNN4 0WA: not on the flood risk listNN4 0WB: not on the flood risk listNN4 0WD: not on the flood risk listNN4 0WE: not on the flood risk listNN4 0WF: not on the flood risk listNN4 0WG: not on the flood risk listNN4 0WH: not on the flood risk listNN4 0WJ: not on the flood risk listNN4 0WL: not on the flood risk listNN4 0WP: not on the flood risk listNN4 0XA: not on the flood risk listNN4 0XB: not on the flood risk listNN4 0XD: not on the flood risk listNN4 0XE: not on the flood risk listNN4 0XF: not on the flood risk listNN4 0XG: not on the flood risk listNN4 0XH: not on the flood risk listNN4 0XJ: not on the flood risk listNN4 0XL: not on the flood risk listNN4 0XQ: not on the flood risk listNN4 0XR: not on the flood risk listNN4 0XS: not on the flood risk listNN4 0XU: not on the flood risk listNN4 0XW: not on the flood risk listNN4 0XX: not on the flood risk listNN4 0XY: not on the flood risk listNN4 0YU: not on the flood risk listNN4 0YW: not on the flood risk listNN4 0NP: very low flood risk onlyNN4 0EB: low flood risk at worstNN4 0PA: low flood risk at worstNN4 0PB: low flood risk at worstNN4 0QL: low flood risk at worstNN4 0QN: low flood risk at worstNN4 0XP: low flood risk at worstNN4 0YS: low flood risk at worstNN4 0XN: medium flood risk at worstNN4 0YT: medium flood risk at worst Northampton Map of every postcode in the NN4 0 sector, by flood risk Of the 184 postcodes in the NN4 0 sector that ONS places, 2 are at medium risk at worst, 7 are at low risk at worst, 1 are at very low risk only and 174 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A508A4500A428 Northampton
  • A home or business at high risk: 0
  • At medium risk at worst: 2
  • At low risk at worst: 7
  • At very low risk only: 1
  • Not on the at-risk list: 174

Of the 184 postcodes in the NN4 0 sector that ONS places, 2 are at medium risk at worst, 7 are at low risk at worst, 1 are at very low risk only and 174 are not on the Environment Agency's at-risk list.

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. 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; flood risk: Environment Agency, published 6 July 2026; 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 postcodes at medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

NN4 0XN3 at medium riskNN4 0YT2 at medium risk

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

NN4 0AN

What do homes sell for in NN4 0?

Homes in NN4 0 sold for a typical £303,500 in the 12 months to August 2026, across 136 sales, down 8% on the 12 months before, HM Land Registry's figures show.

£303,500 typical price, the 12 months to August 2026
£330,000 12 months to August 2025
▼ down 8% on the 12 months before
  • Detached £390,000 66 sales
  • Semi-detached £274,000 37 sales
  • Terraced £207,500 25 sales
  • Flat or maisonette £156,250 8 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 NN4 0. 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 NN4 0

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.

NN4 0ADNN4 0AHNN4 0AJNN4 0ALNN4 0ANNN4 0APNN4 0AQNN4 0ARNN4 0ASNN4 0ATNN4 0AUNN4 0AWNN4 0AXNN4 0AYNN4 0AZNN4 0BBNN4 0BDNN4 0BENN4 0BFNN4 0BGNN4 0BJNN4 0BLNN4 0BNNN4 0BPNN4 0DANN4 0DBNN4 0DDNN4 0DENN4 0DFNN4 0DGNN4 0EBNN4 0FFNN4 0FGNN4 0FHNN4 0FJNN4 0FLNN4 0FNNN4 0FPNN4 0FQNN4 0FSNN4 0GPNN4 0HZNN4 0JANN4 0JFNN4 0JHNN4 0JNNN4 0JQNN4 0JWNN4 0LYNN4 0NBNN4 0NDNN4 0NENN4 0NFNN4 0NGNN4 0NHNN4 0NJNN4 0NLNN4 0NNNN4 0NPNN4 0NQNN4 0NRNN4 0NSNN4 0NTNN4 0NYNN4 0PANN4 0PBNN4 0PFNN4 0PHNN4 0PQNN4 0PRNN4 0PUNN4 0QANN4 0QBNN4 0QDNN4 0QENN4 0QFNN4 0QGNN4 0QHNN4 0QJNN4 0QLNN4 0QNNN4 0QPNN4 0QQNN4 0QRNN4 0QSNN4 0QTNN4 0QUNN4 0QWNN4 0QXNN4 0QYNN4 0QZNN4 0RANN4 0RBNN4 0RDNN4 0RENN4 0RFNN4 0RHNN4 0RJNN4 0RLNN4 0RNNN4 0RPNN4 0RQNN4 0RRNN4 0RSNN4 0RTNN4 0RUNN4 0RXNN4 0RYNN4 0RZNN4 0SANN4 0SBNN4 0SDNN4 0SENN4 0SFNN4 0SGNN4 0SHNN4 0SJNN4 0SLNN4 0SNNN4 0SPNN4 0SQNN4 0SRNN4 0SSNN4 0STNN4 0SUNN4 0SWNN4 0SXNN4 0SYNN4 0TANN4 0TDNN4 0TENN4 0TGNN4 0TJNN4 0TNNN4 0TPNN4 0TQNN4 0TRNN4 0TSNN4 0TTNN4 0TUNN4 0TWNN4 0TXNN4 0TZNN4 0UANN4 0UBNN4 0UDNN4 0UENN4 0UHNN4 0UPNN4 0USNN4 0WANN4 0WBNN4 0WDNN4 0WENN4 0WFNN4 0WGNN4 0WHNN4 0WJNN4 0WLNN4 0WNNN4 0WPNN4 0XANN4 0XBNN4 0XDNN4 0XENN4 0XFNN4 0XGNN4 0XHNN4 0XJNN4 0XLNN4 0XNNN4 0XPNN4 0XQNN4 0XRNN4 0XSNN4 0XUNN4 0XWNN4 0XXNN4 0XYNN4 0YSNN4 0YTNN4 0YUNN4 0YWNN4 0ZU

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.