NN1 2 postcode sector in the NN1 district

NN1 2 is a sector of the NN1 district: every postcode that starts NN1 2. It has 154 postcodes in use, 15 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 2 sector, by flood risk

Map of every postcode in the NN1 2 sector, by flood risk Of the 154 postcodes in the NN1 2 sector that ONS places, 1 have a home or business at high risk, 2 are at low risk at worst and 151 are not on the Environment Agency's at-risk list. Places named: Castle, Kingsley & Semilong. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5095A4500 NN1 2AA: not on the flood risk listNN1 2AB: not on the flood risk listNN1 2AJ: not on the flood risk listNN1 2AN: not on the flood risk listNN1 2AP: not on the flood risk listNN1 2AQ: not on the flood risk listNN1 2AS: not on the flood risk listNN1 2AT: not on the flood risk listNN1 2AW: not on the flood risk listNN1 2AX: not on the flood risk listNN1 2BA: not on the flood risk listNN1 2BB: not on the flood risk listNN1 2BF: not on the flood risk listNN1 2BG: not on the flood risk listNN1 2BH: not on the flood risk listNN1 2BJ: not on the flood risk listNN1 2BN: not on the flood risk listNN1 2BP: not on the flood risk listNN1 2BQ: not on the flood risk listNN1 2BU: not on the flood risk listNN1 2BW: not on the flood risk listNN1 2BY: not on the flood risk listNN1 2DA: not on the flood risk listNN1 2DD: not on the flood risk listNN1 2DF: not on the flood risk listNN1 2DG: not on the flood risk listNN1 2DH: not on the flood risk listNN1 2DL: not on the flood risk listNN1 2DN: not on the flood risk listNN1 2DP: not on the flood risk listNN1 2DQ: not on the flood risk listNN1 2DS: not on the flood risk listNN1 2DW: not on the flood risk listNN1 2EA: not on the flood risk listNN1 2EB: not on the flood risk listNN1 2ED: not on the flood risk listNN1 2EE: not on the flood risk listNN1 2EJ: not on the flood risk listNN1 2EL: not on the flood risk listNN1 2EN: not on the flood risk listNN1 2ET: not on the flood risk listNN1 2EU: not on the flood risk listNN1 2EW: not on the flood risk listNN1 2EX: not on the flood risk listNN1 2EY: not on the flood risk listNN1 2FE: not on the flood risk listNN1 2FN: not on the flood risk listNN1 2FP: not on the flood risk listNN1 2FQ: not on the flood risk listNN1 2FR: not on the flood risk listNN1 2FT: not on the flood risk listNN1 2FX: not on the flood risk listNN1 2FY: not on the flood risk listNN1 2FZ: not on the flood risk listNN1 2HA: not on the flood risk listNN1 2HB: not on the flood risk listNN1 2HD: not on the flood risk listNN1 2HG: not on the flood risk listNN1 2HH: not on the flood risk listNN1 2HL: not on the flood risk listNN1 2HN: not on the flood risk listNN1 2HQ: not on the flood risk listNN1 2HY: not on the flood risk listNN1 2JA: not on the flood risk listNN1 2JB: not on the flood risk listNN1 2JD: not on the flood risk listNN1 2JF: not on the flood risk listNN1 2JG: not on the flood risk listNN1 2JH: not on the flood risk listNN1 2JJ: not on the flood risk listNN1 2JL: not on the flood risk listNN1 2JQ: not on the flood risk listNN1 2JR: not on the flood risk listNN1 2JW: not on the flood risk listNN1 2JY: not on the flood risk listNN1 2JZ: not on the flood risk listNN1 2LA: not on the flood risk listNN1 2LB: not on the flood risk listNN1 2LF: not on the flood risk listNN1 2LH: not on the flood risk listNN1 2LT: not on the flood risk listNN1 2LU: not on the flood risk listNN1 2LZ: not on the flood risk listNN1 2NE: not on the flood risk listNN1 2NQ: not on the flood risk listNN1 2NR: not on the flood risk listNN1 2NT: not on the flood risk listNN1 2NW: not on the flood risk listNN1 2NX: not on the flood risk listNN1 2NZ: not on the flood risk listNN1 2PA: not on the flood risk listNN1 2PE: not on the flood risk listNN1 2PF: not on the flood risk listNN1 2PG: not on the flood risk listNN1 2PH: not on the flood risk listNN1 2PJ: not on the flood risk listNN1 2PN: not on the flood risk listNN1 2PS: not on the flood risk listNN1 2PT: not on the flood risk listNN1 2QF: not on the flood risk listNN1 2QL: not on the flood risk listNN1 2QP: not on the flood risk listNN1 2QQ: not on the flood risk listNN1 2QW: not on the flood risk listNN1 2QZ: not on the flood risk listNN1 2RE: not on the flood risk listNN1 2RF: not on the flood risk listNN1 2RH: not on the flood risk listNN1 2RJ: not on the flood risk listNN1 2RL: not on the flood risk listNN1 2RN: not on the flood risk listNN1 2RS: not on the flood risk listNN1 2RT: not on the flood risk listNN1 2RU: not on the flood risk listNN1 2RW: not on the flood risk listNN1 2RX: not on the flood risk listNN1 2RY: not on the flood risk listNN1 2RZ: not on the flood risk listNN1 2SA: not on the flood risk listNN1 2SB: not on the flood risk listNN1 2SD: not on the flood risk listNN1 2SE: not on the flood risk listNN1 2SF: not on the flood risk listNN1 2SG: not on the flood risk listNN1 2SH: not on the flood risk listNN1 2SJ: not on the flood risk listNN1 2SN: not on the flood risk listNN1 2SP: not on the flood risk listNN1 2SQ: not on the flood risk listNN1 2SR: not on the flood risk listNN1 2SS: not on the flood risk listNN1 2ST: not on the flood risk listNN1 2SU: not on the flood risk listNN1 2TA: not on the flood risk listNN1 2TE: not on the flood risk listNN1 2TN: not on the flood risk listNN1 2TP: not on the flood risk listNN1 2TR: not on the flood risk listNN1 2TU: not on the flood risk listNN1 2TW: not on the flood risk listNN1 2TY: not on the flood risk listNN1 2PB: low flood risk at worstNN1 2PD: low flood risk at worstNN1 2PQ: high flood risk CastleKingsley & Semilong Map of every postcode in the NN1 2 sector, by flood risk Of the 154 postcodes in the NN1 2 sector that ONS places, 1 have a home or business at high risk, 2 are at low risk at worst and 151 are not on the Environment Agency's at-risk list. Places named: Castle, Kingsley & Semilong. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. CastleKingsley & Semilong
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 151

Of the 154 postcodes in the NN1 2 sector that ONS places, 1 have a home or business at high risk, 2 are at low risk at worst and 151 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.

NN1 2PQ2 at high risk

What do homes sell for in NN1 2?

Homes in NN1 2 sold for a typical £140,000 in the 12 months to August 2026, across 20 sales, up 14.8% on the 12 months before, HM Land Registry's figures show.

£140,000 typical price, the 12 months to August 2026
£122,000 12 months to August 2025
▲ up 14.8% on the 12 months before
  • Semi-detached 1 sale, too few to price
  • Terraced £180,000 7 sales
  • Flat or maisonette £117,500 12 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 2. 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 2

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 2AANN1 2ABNN1 2AJNN1 2ANNN1 2APNN1 2AQNN1 2ASNN1 2ATNN1 2AWNN1 2AXNN1 2BANN1 2BBNN1 2BFNN1 2BGNN1 2BHNN1 2BJNN1 2BNNN1 2BPNN1 2BQNN1 2BUNN1 2BWNN1 2BYNN1 2DANN1 2DDNN1 2DFNN1 2DGNN1 2DHNN1 2DLNN1 2DNNN1 2DPNN1 2DQNN1 2DSNN1 2DWNN1 2EANN1 2EBNN1 2EDNN1 2EENN1 2EJNN1 2ELNN1 2ENNN1 2ETNN1 2EUNN1 2EWNN1 2EXNN1 2EYNN1 2FENN1 2FHNN1 2FJNN1 2FNNN1 2FPNN1 2FQNN1 2FRNN1 2FTNN1 2FUNN1 2FWNN1 2FXNN1 2FYNN1 2FZNN1 2HANN1 2HBNN1 2HDNN1 2HGNN1 2HHNN1 2HLNN1 2HNNN1 2HQNN1 2HSNN1 2HYNN1 2JANN1 2JBNN1 2JDNN1 2JFNN1 2JGNN1 2JHNN1 2JJNN1 2JLNN1 2JQNN1 2JRNN1 2JWNN1 2JYNN1 2JZNN1 2LANN1 2LBNN1 2LFNN1 2LHNN1 2LTNN1 2LUNN1 2LXNN1 2LZNN1 2NENN1 2NQNN1 2NRNN1 2NTNN1 2NWNN1 2NXNN1 2NZNN1 2PANN1 2PBNN1 2PDNN1 2PENN1 2PFNN1 2PGNN1 2PHNN1 2PJNN1 2PNNN1 2PQNN1 2PSNN1 2PTNN1 2QFNN1 2QLNN1 2QPNN1 2QQNN1 2QWNN1 2QZNN1 2RENN1 2RFNN1 2RHNN1 2RJNN1 2RLNN1 2RNNN1 2RSNN1 2RTNN1 2RUNN1 2RWNN1 2RXNN1 2RYNN1 2RZNN1 2SANN1 2SBNN1 2SDNN1 2SENN1 2SFNN1 2SGNN1 2SHNN1 2SJNN1 2SNNN1 2SPNN1 2SQNN1 2SRNN1 2SSNN1 2STNN1 2SUNN1 2TANN1 2TENN1 2TNNN1 2TPNN1 2TRNN1 2TUNN1 2TWNN1 2TXNN1 2TYNN1 2WQNN1 2ZRNN1 2ZY

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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