NN4 9 postcode sector in the NN4 district

NN4 9 is a sector of the NN4 district: every postcode that starts NN4 9. It has 144 postcodes in use, 2 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 9 sector, by flood risk

Map of every postcode in the NN4 9 sector, by flood risk Of the 144 postcodes in the NN4 9 sector that ONS places, 2 have a home or business at high risk, 11 are at low risk at worst, 2 are at very low risk only and 129 are not on the Environment Agency's at-risk list. Places named: Hunsbury, Upton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M1A4500A5076 NN4 9AA: not on the flood risk listNN4 9AB: not on the flood risk listNN4 9AD: not on the flood risk listNN4 9BA: not on the flood risk listNN4 9BB: not on the flood risk listNN4 9BF: not on the flood risk listNN4 9BG: not on the flood risk listNN4 9BX: not on the flood risk listNN4 9DA: not on the flood risk listNN4 9DB: not on the flood risk listNN4 9DD: not on the flood risk listNN4 9DE: not on the flood risk listNN4 9DF: not on the flood risk listNN4 9DG: not on the flood risk listNN4 9DH: not on the flood risk listNN4 9DL: not on the flood risk listNN4 9DN: not on the flood risk listNN4 9DQ: not on the flood risk listNN4 9DR: not on the flood risk listNN4 9DS: not on the flood risk listNN4 9DT: not on the flood risk listNN4 9EF: not on the flood risk listNN4 9EG: not on the flood risk listNN4 9EL: not on the flood risk listNN4 9EN: not on the flood risk listNN4 9EQ: not on the flood risk listNN4 9ER: not on the flood risk listNN4 9ES: not on the flood risk listNN4 9ET: not on the flood risk listNN4 9EU: not on the flood risk listNN4 9EW: not on the flood risk listNN4 9EX: not on the flood risk listNN4 9EY: not on the flood risk listNN4 9EZ: not on the flood risk listNN4 9FA: not on the flood risk listNN4 9FB: not on the flood risk listNN4 9FD: not on the flood risk listNN4 9FE: not on the flood risk listNN4 9FF: not on the flood risk listNN4 9FH: not on the flood risk listNN4 9FJ: not on the flood risk listNN4 9JJ: not on the flood risk listNN4 9PS: not on the flood risk listNN4 9QB: not on the flood risk listNN4 9QD: not on the flood risk listNN4 9QE: not on the flood risk listNN4 9QF: not on the flood risk listNN4 9QG: not on the flood risk listNN4 9QH: not on the flood risk listNN4 9QL: not on the flood risk listNN4 9QP: not on the flood risk listNN4 9QQ: not on the flood risk listNN4 9QR: not on the flood risk listNN4 9QS: not on the flood risk listNN4 9QW: not on the flood risk listNN4 9QX: not on the flood risk listNN4 9QY: not on the flood risk listNN4 9QZ: not on the flood risk listNN4 9RA: not on the flood risk listNN4 9RB: not on the flood risk listNN4 9RD: not on the flood risk listNN4 9RE: not on the flood risk listNN4 9RF: not on the flood risk listNN4 9RG: not on the flood risk listNN4 9RH: not on the flood risk listNN4 9RJ: not on the flood risk listNN4 9RL: not on the flood risk listNN4 9RN: not on the flood risk listNN4 9RP: not on the flood risk listNN4 9RQ: not on the flood risk listNN4 9RR: not on the flood risk listNN4 9RT: not on the flood risk listNN4 9RW: not on the flood risk listNN4 9SB: not on the flood risk listNN4 9SE: not on the flood risk listNN4 9SZ: not on the flood risk listNN4 9TX: not on the flood risk listNN4 9UA: not on the flood risk listNN4 9UB: not on the flood risk listNN4 9UD: not on the flood risk listNN4 9UE: not on the flood risk listNN4 9UF: not on the flood risk listNN4 9UG: not on the flood risk listNN4 9UH: not on the flood risk listNN4 9UL: not on the flood risk listNN4 9UP: not on the flood risk listNN4 9UR: not on the flood risk listNN4 9UU: not on the flood risk listNN4 9UW: not on the flood risk listNN4 9UY: not on the flood risk listNN4 9UZ: not on the flood risk listNN4 9XA: not on the flood risk listNN4 9XB: not on the flood risk listNN4 9XD: not on the flood risk listNN4 9XE: not on the flood risk listNN4 9XH: not on the flood risk listNN4 9XJ: not on the flood risk listNN4 9XL: not on the flood risk listNN4 9XN: not on the flood risk listNN4 9XP: not on the flood risk listNN4 9XQ: not on the flood risk listNN4 9XR: not on the flood risk listNN4 9XS: not on the flood risk listNN4 9XT: not on the flood risk listNN4 9XU: not on the flood risk listNN4 9XW: not on the flood risk listNN4 9XY: not on the flood risk listNN4 9XZ: not on the flood risk listNN4 9YA: not on the flood risk listNN4 9YB: not on the flood risk listNN4 9YD: not on the flood risk listNN4 9YE: not on the flood risk listNN4 9YF: not on the flood risk listNN4 9YG: not on the flood risk listNN4 9YH: not on the flood risk listNN4 9YJ: not on the flood risk listNN4 9YL: not on the flood risk listNN4 9YN: not on the flood risk listNN4 9YP: not on the flood risk listNN4 9YQ: not on the flood risk listNN4 9YR: not on the flood risk listNN4 9YS: not on the flood risk listNN4 9YT: not on the flood risk listNN4 9YU: not on the flood risk listNN4 9YW: not on the flood risk listNN4 9YX: not on the flood risk listNN4 9YY: not on the flood risk listNN4 9YZ: not on the flood risk listNN4 9DP: very low flood risk onlyNN4 9QA: very low flood risk onlyNN4 9BD: low flood risk at worstNN4 9BS: low flood risk at worstNN4 9DU: low flood risk at worstNN4 9DW: low flood risk at worstNN4 9FG: low flood risk at worstNN4 9QJ: low flood risk at worstNN4 9QN: low flood risk at worstNN4 9QT: low flood risk at worstNN4 9QU: low flood risk at worstNN4 9XF: low flood risk at worstNN4 9XG: low flood risk at worstNN4 9DJ: high flood riskNN4 9EH: high flood risk HunsburyUpton Map of every postcode in the NN4 9 sector, by flood risk Of the 144 postcodes in the NN4 9 sector that ONS places, 2 have a home or business at high risk, 11 are at low risk at worst, 2 are at very low risk only and 129 are not on the Environment Agency's at-risk list. Places named: Hunsbury, Upton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4500A428M1 HunsburyUpton
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 11
  • At very low risk only: 2
  • Not on the at-risk list: 129

Of the 144 postcodes in the NN4 9 sector that ONS places, 2 have a home or business at high risk, 11 are at low risk at worst, 2 are at very low risk only and 129 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. Names in italics are council wards: we hold no town or village names here.

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 high risk

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

NN4 9DJ1 at high riskNN4 9EH1 at high risk

What do homes sell for in NN4 9?

Homes in NN4 9 sold for a typical £315,000 in the 12 months to August 2026, across 88 sales, no change on the 12 months before, HM Land Registry's figures show.

£315,000 typical price, the 12 months to August 2026
£315,000 12 months to August 2025
■ no change on the 12 months before
  • Detached £360,000 41 sales
  • Semi-detached £269,000 22 sales
  • Terraced £257,500 18 sales
  • Flat or maisonette £115,000 7 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 9. 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 9

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 9AANN4 9ABNN4 9ADNN4 9BANN4 9BBNN4 9BDNN4 9BFNN4 9BGNN4 9BHNN4 9BSNN4 9BXNN4 9DANN4 9DBNN4 9DDNN4 9DENN4 9DFNN4 9DGNN4 9DHNN4 9DJNN4 9DLNN4 9DNNN4 9DPNN4 9DQNN4 9DRNN4 9DSNN4 9DTNN4 9DUNN4 9DWNN4 9EFNN4 9EGNN4 9EHNN4 9ELNN4 9ENNN4 9EQNN4 9ERNN4 9ESNN4 9ETNN4 9EUNN4 9EWNN4 9EXNN4 9EYNN4 9EZNN4 9FANN4 9FBNN4 9FDNN4 9FENN4 9FFNN4 9FGNN4 9FHNN4 9FJNN4 9JJNN4 9PSNN4 9QANN4 9QBNN4 9QDNN4 9QENN4 9QFNN4 9QGNN4 9QHNN4 9QJNN4 9QLNN4 9QNNN4 9QPNN4 9QQNN4 9QRNN4 9QSNN4 9QTNN4 9QUNN4 9QWNN4 9QXNN4 9QYNN4 9QZNN4 9RANN4 9RBNN4 9RDNN4 9RENN4 9RFNN4 9RGNN4 9RHNN4 9RJNN4 9RLNN4 9RNNN4 9RPNN4 9RQNN4 9RRNN4 9RTNN4 9RWNN4 9SBNN4 9SENN4 9SZNN4 9TXNN4 9UANN4 9UBNN4 9UDNN4 9UENN4 9UFNN4 9UGNN4 9UHNN4 9ULNN4 9UPNN4 9URNN4 9UUNN4 9UWNN4 9UYNN4 9UZNN4 9XANN4 9XBNN4 9XDNN4 9XENN4 9XFNN4 9XGNN4 9XHNN4 9XJNN4 9XLNN4 9XNNN4 9XPNN4 9XQNN4 9XRNN4 9XSNN4 9XTNN4 9XUNN4 9XWNN4 9XYNN4 9XZNN4 9YANN4 9YBNN4 9YDNN4 9YENN4 9YFNN4 9YGNN4 9YHNN4 9YJNN4 9YLNN4 9YNNN4 9YPNN4 9YQNN4 9YRNN4 9YSNN4 9YTNN4 9YUNN4 9YWNN4 9YXNN4 9YYNN4 9YZ

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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