NN1 4 postcode sector in the NN1 district

NN1 4 is a sector of the NN1 district: every postcode that starts NN1 4. It has 199 postcodes in use, 9 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 4 sector, and which are new since 2020

New since 2020: 1
In use before 2020: 198

Of the 199 postcodes in the NN1 4 sector that ONS places, 1 are new since 2020 and 198 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

The newest postcode

NN1 4FANovember 2020

What do homes sell for in NN1 4?

Homes in NN1 4 sold for a typical £218,500 in the 12 months to August 2026, across 116 sales, down 6.5% on the 12 months before, HM Land Registry's figures show.

£218,500 typical price, the 12 months to August 2026

£233,750 12 months to August 2025

▼ down 6.5% on the 12 months before

Detached 1 sale, too few to price
Semi-detached £310,000 5 sales
Terraced £239,500 81 sales
Flat or maisonette £144,000 29 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 4. 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 4

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 4AA NN1 4AE NN1 4AF NN1 4AH NN1 4AJ NN1 4AQ NN1 4AT NN1 4AU NN1 4AW NN1 4AZ NN1 4BB NN1 4BD NN1 4BE NN1 4BF NN1 4BG NN1 4BH NN1 4BJ NN1 4BL NN1 4BN NN1 4BP NN1 4BS NN1 4BU NN1 4BW NN1 4BX NN1 4BY NN1 4BZ NN1 4DB NN1 4DG NN1 4DH NN1 4DJ NN1 4DL NN1 4DN NN1 4DP NN1 4DQ NN1 4DR NN1 4DT NN1 4DU NN1 4DW NN1 4DX NN1 4DZ NN1 4EA NN1 4EB NN1 4ED NN1 4EE NN1 4EF NN1 4EH NN1 4EJ NN1 4EN NN1 4EP NN1 4EQ NN1 4ER NN1 4ES NN1 4ET NN1 4EU NN1 4EW NN1 4EX NN1 4EY NN1 4EZ NN1 4FA NN1 4HG NN1 4HJ NN1 4HL NN1 4HN NN1 4HP NN1 4HQ NN1 4HR NN1 4HS NN1 4HU NN1 4HW NN1 4HX NN1 4HZ NN1 4JA NN1 4JB NN1 4JD NN1 4JE NN1 4JG NN1 4JH NN1 4JJ NN1 4JL NN1 4JN NN1 4JP NN1 4JQ NN1 4JR NN1 4JS NN1 4JT NN1 4JU NN1 4JW NN1 4JX NN1 4LA NN1 4LB NN1 4LD NN1 4LE NN1 4LF NN1 4LG NN1 4LH NN1 4LJ NN1 4LL NN1 4LN NN1 4LP NN1 4LQ NN1 4LR NN1 4LS NN1 4LT NN1 4LU NN1 4LW NN1 4LX NN1 4LY NN1 4LZ NN1 4NA NN1 4NB NN1 4ND NN1 4NE NN1 4NF NN1 4NG NN1 4NH NN1 4NJ NN1 4NL NN1 4NN NN1 4NP NN1 4NQ NN1 4NS NN1 4NU NN1 4NW NN1 4NY NN1 4NZ NN1 4PA NN1 4PB NN1 4PD NN1 4PE NN1 4PF NN1 4PG NN1 4PH NN1 4PJ NN1 4PL NN1 4PN NN1 4PP NN1 4PQ NN1 4PR NN1 4PT NN1 4PU NN1 4PW NN1 4PX NN1 4QA NN1 4QB NN1 4QD NN1 4QL NN1 4QN NN1 4QP NN1 4QR NN1 4QS NN1 4QT NN1 4QU NN1 4QW NN1 4QX NN1 4QY NN1 4QZ NN1 4RA NN1 4RB NN1 4RD NN1 4RE NN1 4RF NN1 4RG NN1 4RH NN1 4RJ NN1 4RL NN1 4RN NN1 4RQ NN1 4RR NN1 4RS NN1 4RW NN1 4RX NN1 4RY NN1 4RZ NN1 4SA NN1 4SB NN1 4SD NN1 4SF NN1 4SG NN1 4SH NN1 4SJ NN1 4SL NN1 4SN NN1 4SP NN1 4SQ NN1 4SR NN1 4SS NN1 4ST NN1 4SU NN1 4SW NN1 4SX NN1 4SY NN1 4TG NN1 4TH NN1 4TJ NN1 4TL NN1 4TQ NN1 4WL NN1 4XS NN1 4YW

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.

Other sectors in NN1

NN1 1 sector NN1 2 sector NN1 3 sector NN1 5 sector NN1 9 sector All of NN1 NN postcode area

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