NN1 1 postcode sector in the NN1 district

NN1 1 is a sector of the NN1 district: every postcode that starts NN1 1. It has 132 postcodes in use, 19 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 1 sector, by gigabit broadband

Map of every postcode in the NN1 1 sector, by gigabit broadband Of the 132 postcodes in the NN1 1 sector that ONS places, 10 have no home or business that can get gigabit, 43 have some that can, 39 can all get it and 40 have no Ofcom figure. Places named: Castle. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5095A428A508 NN1 1AF: no Ofcom figureNN1 1AL: no Ofcom figureNN1 1DD: no Ofcom figureNN1 1DE: no Ofcom figureNN1 1DR: no Ofcom figureNN1 1FE: no Ofcom figureNN1 1FG: no Ofcom figureNN1 1FH: no Ofcom figureNN1 1FJ: no Ofcom figureNN1 1LW: no Ofcom figureNN1 1NT: no Ofcom figureNN1 1RT: no Ofcom figureNN1 1AG: gigabit for allNN1 1AJ: gigabit for allNN1 1DA: gigabit for allNN1 1DJ: gigabit for allNN1 1DQ: gigabit for allNN1 1EE: gigabit for allNN1 1EN: gigabit for allNN1 1ES: gigabit for allNN1 1EZ: gigabit for allNN1 1FA: gigabit for allNN1 1FF: gigabit for allNN1 1HB: gigabit for allNN1 1HF: gigabit for allNN1 1HS: gigabit for allNN1 1JB: gigabit for allNN1 1JW: gigabit for allNN1 1LJ: gigabit for allNN1 1LQ: gigabit for allNN1 1LX: gigabit for allNN1 1LZ: gigabit for allNN1 1NR: gigabit for allNN1 1PB: gigabit for allNN1 1PD: gigabit for allNN1 1PF: gigabit for allNN1 1PJ: gigabit for allNN1 1PN: gigabit for allNN1 1PY: gigabit for allNN1 1PZ: gigabit for allNN1 1SA: gigabit for allNN1 1SH: gigabit for allNN1 1SP: gigabit for allNN1 1SW: gigabit for allNN1 1SY: gigabit for allNN1 1TP: gigabit for allNN1 1UD: gigabit for allNN1 1UG: gigabit for allNN1 1US: gigabit for allNN1 1BQ: some gigabitNN1 1DF: some gigabitNN1 1DP: some gigabitNN1 1ED: some gigabitNN1 1EL: some gigabitNN1 1EP: some gigabitNN1 1EQ: some gigabitNN1 1ET: some gigabitNN1 1EW: some gigabitNN1 1EY: some gigabitNN1 1FD: some gigabitNN1 1HH: some gigabitNN1 1HL: some gigabitNN1 1JA: some gigabitNN1 1JF: some gigabitNN1 1JS: some gigabitNN1 1JX: some gigabitNN1 1LD: some gigabitNN1 1LG: some gigabitNN1 1LN: some gigabitNN1 1NH: some gigabitNN1 1NS: some gigabitNN1 1NW: some gigabitNN1 1PA: some gigabitNN1 1PP: some gigabitNN1 1PR: some gigabitNN1 1PS: some gigabitNN1 1PT: some gigabitNN1 1QF: some gigabitNN1 1RA: some gigabitNN1 1RS: some gigabitNN1 1SN: some gigabitNN1 1SR: some gigabitNN1 1ST: some gigabitNN1 1SX: some gigabitNN1 1TA: some gigabitNN1 1TB: some gigabitNN1 1TD: some gigabitNN1 1TU: some gigabitNN1 1TY: some gigabitNN1 1UB: some gigabitNN1 1UE: some gigabitNN1 1UH: some gigabitNN1 1BF: no gigabitNN1 1DH: no gigabitNN1 1ER: no gigabitNN1 1EX: no gigabitNN1 1FL: no gigabitNN1 1HJ: no gigabitNN1 1HW: no gigabitNN1 1JT: no gigabitNN1 1JY: no gigabitNN1 1UJ: no gigabit Castle Map of every postcode in the NN1 1 sector, by gigabit broadband Of the 132 postcodes in the NN1 1 sector that ONS places, 10 have no home or business that can get gigabit, 43 have some that can, 39 can all get it and 40 have no Ofcom figure. Places named: Castle. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5095 Castle
  • No home or business can get gigabit: 10
  • Some can get gigabit: 43
  • Every home and business can get gigabit: 39
  • Ofcom gives no figure: 40

Of the 132 postcodes in the NN1 1 sector that ONS places, 10 have no home or business that can get gigabit, 43 have some that can, 39 can all get it and 40 have no Ofcom figure.

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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

Postcodes without gigabit

NN1 1BFNN1 1DHNN1 1ERNN1 1EXNN1 1FLNN1 1HJNN1 1HWNN1 1JTNN1 1JYNN1 1UJ

What do homes sell for in NN1 1?

Homes in NN1 1 sold for a typical £152,000 in the 12 months to September 2026, across 17 sales, HM Land Registry's figures show. The 12 months before gave £151,000 from 22 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£152,000 typical price, the 12 months to September 2026
£151,000 12 months to September 2025
  • Terraced 2 sales, too few to price
  • Flat or maisonette £145,000 15 sales

Standard sales of homes at market value at the postcodes that start NN1 1. 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 October 2026.

Postcodes in NN1 1

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 1AFNN1 1AGNN1 1AJNN1 1ALNN1 1BFNN1 1BQNN1 1BXNN1 1DANN1 1DDNN1 1DENN1 1DFNN1 1DHNN1 1DJNN1 1DNNN1 1DPNN1 1DQNN1 1DRNN1 1DTNN1 1EANN1 1EDNN1 1EENN1 1ELNN1 1ENNN1 1EPNN1 1EQNN1 1ERNN1 1ESNN1 1ETNN1 1EWNN1 1EXNN1 1EYNN1 1EZNN1 1FANN1 1FDNN1 1FENN1 1FFNN1 1FGNN1 1FHNN1 1FJNN1 1FLNN1 1HBNN1 1HFNN1 1HHNN1 1HJNN1 1HLNN1 1HSNN1 1HWNN1 1JANN1 1JBNN1 1JFNN1 1JSNN1 1JTNN1 1JWNN1 1JXNN1 1JYNN1 1LDNN1 1LGNN1 1LJNN1 1LNNN1 1LQNN1 1LWNN1 1LXNN1 1LZNN1 1NHNN1 1NRNN1 1NSNN1 1NTNN1 1NWNN1 1PANN1 1PBNN1 1PDNN1 1PFNN1 1PJNN1 1PNNN1 1PPNN1 1PRNN1 1PSNN1 1PTNN1 1PUNN1 1PYNN1 1PZNN1 1QANN1 1QDNN1 1QENN1 1QFNN1 1QHNN1 1QJNN1 1QSNN1 1QTNN1 1QUNN1 1QWNN1 1QXNN1 1QYNN1 1QZNN1 1RANN1 1RBNN1 1RDNN1 1RFNN1 1RGNN1 1RHNN1 1RJNN1 1RLNN1 1RNNN1 1RPNN1 1RQNN1 1RRNN1 1RSNN1 1RTNN1 1SANN1 1SHNN1 1SNNN1 1SPNN1 1SRNN1 1STNN1 1SWNN1 1SXNN1 1SYNN1 1TANN1 1TBNN1 1TDNN1 1TPNN1 1TUNN1 1TYNN1 1UBNN1 1UDNN1 1UENN1 1UGNN1 1UHNN1 1UJNN1 1USNN1 1YTNN1 1ZP

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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