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, and which are new since 2020

Map of every postcode in the NN1 5 sector, by new since 2020 Of the 159 postcodes in the NN1 5 sector that ONS places, 6 are new since 2020 and 153 were in use before 2020. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A5095A45 NN1 5AA: before 2020NN1 5AJ: before 2020NN1 5AL: before 2020NN1 5AN: before 2020NN1 5AQ: before 2020NN1 5AR: before 2020NN1 5AT: before 2020NN1 5AU: before 2020NN1 5AW: before 2020NN1 5BA: before 2020NN1 5BB: before 2020NN1 5BD: before 2020NN1 5BE: before 2020NN1 5BF: before 2020NN1 5BG: before 2020NN1 5BH: before 2020NN1 5BJ: before 2020NN1 5BL: before 2020NN1 5BS: before 2020NN1 5BT: before 2020NN1 5BU: before 2020NN1 5BW: before 2020NN1 5BX: before 2020NN1 5BY: before 2020NN1 5BZ: before 2020NN1 5DA: before 2020NN1 5DB: before 2020NN1 5DD: before 2020NN1 5DE: before 2020NN1 5DF: before 2020NN1 5DG: before 2020NN1 5DL: before 2020NN1 5DQ: before 2020NN1 5DR: before 2020NN1 5DT: before 2020NN1 5DY: before 2020NN1 5EA: before 2020NN1 5EB: before 2020NN1 5ED: before 2020NN1 5EE: before 2020NN1 5EF: before 2020NN1 5EG: before 2020NN1 5EH: before 2020NN1 5EJ: before 2020NN1 5EL: before 2020NN1 5EN: before 2020NN1 5EP: before 2020NN1 5EQ: before 2020NN1 5ER: before 2020NN1 5ES: before 2020NN1 5ET: before 2020NN1 5EU: before 2020NN1 5EW: before 2020NN1 5EX: before 2020NN1 5EY: before 2020NN1 5EZ: before 2020NN1 5FA: before 2020NN1 5FS: before 2020NN1 5FY: before 2020NN1 5HA: before 2020NN1 5HB: before 2020NN1 5HD: before 2020NN1 5HE: before 2020NN1 5HL: before 2020NN1 5HN: before 2020NN1 5HP: before 2020NN1 5HQ: before 2020NN1 5HR: before 2020NN1 5HS: before 2020NN1 5HU: before 2020NN1 5HX: before 2020NN1 5JA: before 2020NN1 5JB: before 2020NN1 5JD: before 2020NN1 5JE: before 2020NN1 5JF: before 2020NN1 5JH: before 2020NN1 5JJ: before 2020NN1 5JL: before 2020NN1 5JN: before 2020NN1 5JP: before 2020NN1 5JQ: before 2020NN1 5JR: before 2020NN1 5JS: before 2020NN1 5JU: before 2020NN1 5JW: before 2020NN1 5JX: before 2020NN1 5JY: before 2020NN1 5JZ: before 2020NN1 5LF: before 2020NN1 5LJ: before 2020NN1 5LL: before 2020NN1 5LN: before 2020NN1 5LP: before 2020NN1 5LR: before 2020NN1 5LS: before 2020NN1 5LT: before 2020NN1 5LU: before 2020NN1 5LW: before 2020NN1 5LX: before 2020NN1 5LY: before 2020NN1 5LZ: before 2020NN1 5NA: before 2020NN1 5NB: before 2020NN1 5ND: before 2020NN1 5NG: before 2020NN1 5NJ: before 2020NN1 5NL: before 2020NN1 5NQ: before 2020NN1 5NT: before 2020NN1 5NX: before 2020NN1 5PH: before 2020NN1 5PT: before 2020NN1 5PU: before 2020NN1 5QG: before 2020NN1 5QH: before 2020NN1 5QJ: before 2020NN1 5QL: before 2020NN1 5QP: before 2020NN1 5QR: before 2020NN1 5QS: before 2020NN1 5QT: before 2020NN1 5QY: before 2020NN1 5QZ: before 2020NN1 5RA: before 2020NN1 5RN: before 2020NN1 5RR: before 2020NN1 5RS: before 2020NN1 5RT: before 2020NN1 5RU: before 2020NN1 5RW: before 2020NN1 5RX: before 2020NN1 5RY: before 2020NN1 5RZ: before 2020NN1 5SA: before 2020NN1 5SB: before 2020NN1 5SD: before 2020NN1 5SE: before 2020NN1 5SF: before 2020NN1 5SG: before 2020NN1 5SH: before 2020NN1 5SJ: before 2020NN1 5SL: before 2020NN1 5SN: before 2020NN1 5SP: before 2020NN1 5SQ: before 2020NN1 5SR: before 2020NN1 5SS: before 2020NN1 5ST: before 2020NN1 5SU: before 2020NN1 5FU: new since 2020NN1 5GB: new since 2020NN1 5GD: new since 2020NN1 5GF: new since 2020NN1 5RL: new since 2020NN1 5GE: new since 2020 Northampton Map of every postcode in the NN1 5 sector, by new since 2020 Of the 159 postcodes in the NN1 5 sector that ONS places, 6 are new since 2020 and 153 were in use before 2020. Places named: Northampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A45 Northampton
  • New since 2020: 6
  • In use before 2020: 153

Of the 159 postcodes in the NN1 5 sector that ONS places, 6 are new since 2020 and 153 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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

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.

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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