NN1 5 postcode sector in the NN1 district

NN1 5 is a sector of the NN1 district: every postcode that starts NN1 5. It has 159 postcodes in use, 11 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 NN1 5 sector, by flood risk

Map of every postcode in the NN1 5 sector, by flood risk Of the 159 postcodes in the NN1 5 sector that ONS places, 2 have a home or business at high risk, 2 are at medium risk at worst, 3 are at low risk at worst, 4 are at very low risk only and 148 are not on the Environment Agency's at-risk list. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A5095A45 NN1 5AA: not on the flood risk listNN1 5AJ: not on the flood risk listNN1 5AL: not on the flood risk listNN1 5AN: not on the flood risk listNN1 5AQ: not on the flood risk listNN1 5AR: not on the flood risk listNN1 5AT: not on the flood risk listNN1 5AU: not on the flood risk listNN1 5AW: not on the flood risk listNN1 5BA: not on the flood risk listNN1 5BB: not on the flood risk listNN1 5BD: not on the flood risk listNN1 5BE: not on the flood risk listNN1 5BF: not on the flood risk listNN1 5BG: not on the flood risk listNN1 5BH: not on the flood risk listNN1 5BJ: not on the flood risk listNN1 5BL: not on the flood risk listNN1 5BS: not on the flood risk listNN1 5BT: not on the flood risk listNN1 5BU: not on the flood risk listNN1 5BW: not on the flood risk listNN1 5BX: not on the flood risk listNN1 5BY: not on the flood risk listNN1 5BZ: not on the flood risk listNN1 5DA: not on the flood risk listNN1 5DB: not on the flood risk listNN1 5DD: not on the flood risk listNN1 5DE: not on the flood risk listNN1 5DF: not on the flood risk listNN1 5DG: not on the flood risk listNN1 5DL: not on the flood risk listNN1 5DQ: not on the flood risk listNN1 5DR: not on the flood risk listNN1 5DT: not on the flood risk listNN1 5DY: not on the flood risk listNN1 5EA: not on the flood risk listNN1 5EB: not on the flood risk listNN1 5ED: not on the flood risk listNN1 5EE: not on the flood risk listNN1 5EF: not on the flood risk listNN1 5EG: not on the flood risk listNN1 5EH: not on the flood risk listNN1 5EJ: not on the flood risk listNN1 5EL: not on the flood risk listNN1 5EN: not on the flood risk listNN1 5EP: not on the flood risk listNN1 5EQ: not on the flood risk listNN1 5ER: not on the flood risk listNN1 5ES: not on the flood risk listNN1 5ET: not on the flood risk listNN1 5EU: not on the flood risk listNN1 5EW: not on the flood risk listNN1 5EX: not on the flood risk listNN1 5EY: not on the flood risk listNN1 5EZ: not on the flood risk listNN1 5FA: not on the flood risk listNN1 5FS: not on the flood risk listNN1 5FU: not on the flood risk listNN1 5GD: not on the flood risk listNN1 5GF: not on the flood risk listNN1 5HA: not on the flood risk listNN1 5HB: not on the flood risk listNN1 5HD: not on the flood risk listNN1 5HE: not on the flood risk listNN1 5HL: not on the flood risk listNN1 5HN: not on the flood risk listNN1 5HP: not on the flood risk listNN1 5HQ: not on the flood risk listNN1 5HR: not on the flood risk listNN1 5HS: not on the flood risk listNN1 5HU: not on the flood risk listNN1 5HX: not on the flood risk listNN1 5JA: not on the flood risk listNN1 5JB: not on the flood risk listNN1 5JD: not on the flood risk listNN1 5JE: not on the flood risk listNN1 5JF: not on the flood risk listNN1 5JH: not on the flood risk listNN1 5JJ: not on the flood risk listNN1 5JL: not on the flood risk listNN1 5JN: not on the flood risk listNN1 5JP: not on the flood risk listNN1 5JQ: not on the flood risk listNN1 5JR: not on the flood risk listNN1 5JS: not on the flood risk listNN1 5JU: not on the flood risk listNN1 5JW: not on the flood risk listNN1 5JX: not on the flood risk listNN1 5JY: not on the flood risk listNN1 5JZ: not on the flood risk listNN1 5LF: not on the flood risk listNN1 5LJ: not on the flood risk listNN1 5LL: not on the flood risk listNN1 5LN: not on the flood risk listNN1 5LP: not on the flood risk listNN1 5LR: not on the flood risk listNN1 5LS: not on the flood risk listNN1 5LT: not on the flood risk listNN1 5LU: not on the flood risk listNN1 5LW: not on the flood risk listNN1 5LX: not on the flood risk listNN1 5LY: not on the flood risk listNN1 5LZ: not on the flood risk listNN1 5NA: not on the flood risk listNN1 5NB: not on the flood risk listNN1 5ND: not on the flood risk listNN1 5NJ: not on the flood risk listNN1 5NQ: not on the flood risk listNN1 5PT: not on the flood risk listNN1 5PU: not on the flood risk listNN1 5QG: not on the flood risk listNN1 5QH: not on the flood risk listNN1 5QJ: not on the flood risk listNN1 5QL: not on the flood risk listNN1 5QP: not on the flood risk listNN1 5QR: not on the flood risk listNN1 5QS: not on the flood risk listNN1 5QT: not on the flood risk listNN1 5QY: not on the flood risk listNN1 5QZ: not on the flood risk listNN1 5RA: not on the flood risk listNN1 5RL: not on the flood risk listNN1 5RR: not on the flood risk listNN1 5RS: not on the flood risk listNN1 5RT: not on the flood risk listNN1 5RU: not on the flood risk listNN1 5RW: not on the flood risk listNN1 5RX: not on the flood risk listNN1 5RZ: not on the flood risk listNN1 5SA: not on the flood risk listNN1 5SB: not on the flood risk listNN1 5SD: not on the flood risk listNN1 5SE: not on the flood risk listNN1 5SF: not on the flood risk listNN1 5SG: not on the flood risk listNN1 5SH: not on the flood risk listNN1 5SJ: not on the flood risk listNN1 5SL: not on the flood risk listNN1 5SN: not on the flood risk listNN1 5SP: not on the flood risk listNN1 5SQ: not on the flood risk listNN1 5SR: not on the flood risk listNN1 5SS: not on the flood risk listNN1 5ST: not on the flood risk listNN1 5SU: not on the flood risk listNN1 5NG: very low flood risk onlyNN1 5NT: very low flood risk onlyNN1 5RY: very low flood risk onlyNN1 5PA: low flood risk at worstNN1 5PH: low flood risk at worstNN1 5RN: low flood risk at worstNN1 5GB: medium flood risk at worstNN1 5NX: medium flood risk at worstNN1 5FY: high flood riskNN1 5NL: high flood risk Northampton Map of every postcode in the NN1 5 sector, by flood risk Of the 159 postcodes in the NN1 5 sector that ONS places, 2 have a home or business at high risk, 2 are at medium risk at worst, 3 are at low risk at worst, 4 are at very low risk only and 148 are not on the Environment Agency's at-risk list. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A45 Northampton
  • A home or business at high risk: 2
  • At medium risk at worst: 2
  • At low risk at worst: 3
  • At very low risk only: 4
  • Not on the at-risk list: 148

Of the 159 postcodes in the NN1 5 sector that ONS places, 2 have a home or business at high risk, 2 are at medium risk at worst, 3 are at low risk at worst, 4 are at very low risk only and 148 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 high risk

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

NN1 5NL25 at high riskNN1 5FY1 at high risk

What do homes sell for in NN1 5?

Homes in NN1 5 sold for a typical £230,000 in the 12 months to August 2026, across 83 sales, up 4.5% on the 12 months before, HM Land Registry's figures show.

£230,000 typical price, the 12 months to August 2026
£220,000 12 months to August 2025
▲ up 4.5% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached £304,000 8 sales
  • Terraced £235,000 56 sales
  • Flat or maisonette £158,000 15 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 NN1 5. 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 NN1 5

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.

NN1 5AANN1 5AJNN1 5ALNN1 5ANNN1 5AQNN1 5ARNN1 5ATNN1 5AUNN1 5AWNN1 5BANN1 5BBNN1 5BDNN1 5BENN1 5BFNN1 5BGNN1 5BHNN1 5BJNN1 5BLNN1 5BSNN1 5BTNN1 5BUNN1 5BWNN1 5BXNN1 5BYNN1 5BZNN1 5DANN1 5DBNN1 5DDNN1 5DENN1 5DFNN1 5DGNN1 5DLNN1 5DQNN1 5DRNN1 5DTNN1 5DYNN1 5EANN1 5EBNN1 5EDNN1 5EENN1 5EFNN1 5EGNN1 5EHNN1 5EJNN1 5ELNN1 5ENNN1 5EPNN1 5EQNN1 5ERNN1 5ESNN1 5ETNN1 5EUNN1 5EWNN1 5EXNN1 5EYNN1 5EZNN1 5FANN1 5FSNN1 5FUNN1 5FYNN1 5GBNN1 5GDNN1 5GENN1 5GFNN1 5HANN1 5HBNN1 5HDNN1 5HENN1 5HLNN1 5HNNN1 5HPNN1 5HQNN1 5HRNN1 5HSNN1 5HUNN1 5HXNN1 5JANN1 5JBNN1 5JDNN1 5JENN1 5JFNN1 5JHNN1 5JJNN1 5JLNN1 5JNNN1 5JPNN1 5JQNN1 5JRNN1 5JSNN1 5JUNN1 5JWNN1 5JXNN1 5JYNN1 5JZNN1 5LFNN1 5LJNN1 5LLNN1 5LNNN1 5LPNN1 5LRNN1 5LSNN1 5LTNN1 5LUNN1 5LWNN1 5LXNN1 5LYNN1 5LZNN1 5NANN1 5NBNN1 5NDNN1 5NENN1 5NGNN1 5NJNN1 5NLNN1 5NQNN1 5NTNN1 5NXNN1 5PANN1 5PHNN1 5PTNN1 5PUNN1 5QGNN1 5QHNN1 5QJNN1 5QLNN1 5QPNN1 5QRNN1 5QSNN1 5QTNN1 5QYNN1 5QZNN1 5RANN1 5RLNN1 5RNNN1 5RRNN1 5RSNN1 5RTNN1 5RUNN1 5RWNN1 5RXNN1 5RYNN1 5RZNN1 5SANN1 5SBNN1 5SDNN1 5SENN1 5SFNN1 5SGNN1 5SHNN1 5SJNN1 5SLNN1 5SNNN1 5SPNN1 5SQNN1 5SRNN1 5SSNN1 5STNN1 5SUNN1 5WU

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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