N3 3 postcode sector in the N3 district

N3 3 is a sector of the N3 district: every postcode that starts N3 3. It has 192 postcodes in use, 3 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 N3 3 sector, and which are new since 2020

Map of every postcode in the N3 3 sector, by new since 2020 Of the 192 postcodes in the N3 3 sector that ONS places, 8 are new since 2020 and 184 were in use before 2020. Places named: Finchley Church End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. N3 3AA: before 2020N3 3AB: before 2020N3 3AD: before 2020N3 3AE: before 2020N3 3AF: before 2020N3 3AG: before 2020N3 3AH: before 2020N3 3AJ: before 2020N3 3AL: before 2020N3 3AN: before 2020N3 3AP: before 2020N3 3AQ: before 2020N3 3AR: before 2020N3 3AS: before 2020N3 3AT: before 2020N3 3AU: before 2020N3 3AX: before 2020N3 3AY: before 2020N3 3BA: before 2020N3 3BB: before 2020N3 3BD: before 2020N3 3BE: before 2020N3 3BF: before 2020N3 3BG: before 2020N3 3BH: before 2020N3 3BJ: before 2020N3 3BL: before 2020N3 3BN: before 2020N3 3BP: before 2020N3 3BT: before 2020N3 3BU: before 2020N3 3BY: before 2020N3 3DA: before 2020N3 3DB: before 2020N3 3DD: before 2020N3 3DE: before 2020N3 3DH: before 2020N3 3DP: before 2020N3 3DR: before 2020N3 3DS: before 2020N3 3DT: before 2020N3 3DU: before 2020N3 3DY: before 2020N3 3EA: before 2020N3 3EB: before 2020N3 3ED: before 2020N3 3EE: before 2020N3 3EF: before 2020N3 3EG: before 2020N3 3EH: before 2020N3 3EJ: before 2020N3 3EL: before 2020N3 3EN: before 2020N3 3EQ: before 2020N3 3ER: before 2020N3 3ES: before 2020N3 3EU: before 2020N3 3EX: before 2020N3 3EY: before 2020N3 3GR: before 2020N3 3HA: before 2020N3 3HB: before 2020N3 3HD: before 2020N3 3HE: before 2020N3 3HF: before 2020N3 3HG: before 2020N3 3HN: before 2020N3 3HP: before 2020N3 3HR: before 2020N3 3HS: before 2020N3 3HU: before 2020N3 3HX: before 2020N3 3HY: before 2020N3 3JA: before 2020N3 3JB: before 2020N3 3JD: before 2020N3 3JG: before 2020N3 3JH: before 2020N3 3JJ: before 2020N3 3JL: before 2020N3 3JN: before 2020N3 3JP: before 2020N3 3JY: before 2020N3 3JZ: before 2020N3 3LA: before 2020N3 3LB: before 2020N3 3LD: before 2020N3 3LF: before 2020N3 3LL: before 2020N3 3LN: before 2020N3 3LS: before 2020N3 3LT: before 2020N3 3LU: before 2020N3 3LX: before 2020N3 3LY: before 2020N3 3NA: before 2020N3 3NB: before 2020N3 3ND: before 2020N3 3NE: before 2020N3 3NG: before 2020N3 3NH: before 2020N3 3NJ: before 2020N3 3NL: before 2020N3 3NN: before 2020N3 3NP: before 2020N3 3NR: before 2020N3 3NS: before 2020N3 3NU: before 2020N3 3NW: before 2020N3 3NX: before 2020N3 3PA: before 2020N3 3PB: before 2020N3 3PD: before 2020N3 3PE: before 2020N3 3PG: before 2020N3 3PH: before 2020N3 3PJ: before 2020N3 3PL: before 2020N3 3PN: before 2020N3 3PP: before 2020N3 3PR: before 2020N3 3PS: before 2020N3 3PT: before 2020N3 3PU: before 2020N3 3PX: before 2020N3 3PY: before 2020N3 3QB: before 2020N3 3QD: before 2020N3 3QE: before 2020N3 3QG: before 2020N3 3QH: before 2020N3 3QJ: before 2020N3 3QL: before 2020N3 3QN: before 2020N3 3QP: before 2020N3 3QR: before 2020N3 3QS: before 2020N3 3QT: before 2020N3 3QU: before 2020N3 3QW: before 2020N3 3QX: before 2020N3 3QY: before 2020N3 3RA: before 2020N3 3RB: before 2020N3 3RD: before 2020N3 3RE: before 2020N3 3RH: before 2020N3 3RJ: before 2020N3 3RL: before 2020N3 3RN: before 2020N3 3RP: before 2020N3 3RR: before 2020N3 3RS: before 2020N3 3RT: before 2020N3 3RU: before 2020N3 3RW: before 2020N3 3RX: before 2020N3 3RY: before 2020N3 3SA: before 2020N3 3SB: before 2020N3 3SD: before 2020N3 3SE: before 2020N3 3SF: before 2020N3 3SH: before 2020N3 3SJ: before 2020N3 3SL: before 2020N3 3SN: before 2020N3 3SP: before 2020N3 3SQ: before 2020N3 3SR: before 2020N3 3SS: before 2020N3 3ST: before 2020N3 3SU: before 2020N3 3SW: before 2020N3 3SX: before 2020N3 3SZ: before 2020N3 3TA: before 2020N3 3TP: before 2020N3 3TR: before 2020N3 3TX: before 2020N3 3TY: before 2020N3 3TZ: before 2020N3 3DF: new since 2020N3 3DG: new since 2020N3 3DJ: new since 2020N3 3DL: new since 2020N3 3DN: new since 2020N3 3EW: new since 2020N3 3EZ: new since 2020N3 3PQ: new since 2020 Finchley Church End Map of every postcode in the N3 3 sector, by new since 2020 Of the 192 postcodes in the N3 3 sector that ONS places, 8 are new since 2020 and 184 were in use before 2020. Places named: Finchley Church End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Finchley Church End
  • New since 2020: 8
  • In use before 2020: 184

Of the 192 postcodes in the N3 3 sector that ONS places, 8 are new since 2020 and 184 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. 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; 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 N3 3?

Homes in N3 3 sold for a typical £812,500 in the 12 months to August 2026, across 62 sales, down 0.8% on the 12 months before, HM Land Registry's figures show.

£812,500 typical price, the 12 months to August 2026
£819,000 12 months to August 2025
▼ down 0.8% on the 12 months before
  • Detached £1,147,500 5 sales
  • Semi-detached £1,180,000 19 sales
  • Terraced 4 sales, too few to price
  • Flat or maisonette £515,000 34 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 N3 3. 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 N3 3

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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