N4 3 postcode sector in the N4 district

N4 3 is a sector of the N4 district: every postcode that starts N4 3. It has 211 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 N4 3 sector, by gigabit broadband

Map of every postcode in the N4 3 sector, by gigabit broadband Of the 211 postcodes in the N4 3 sector that ONS places, 2 have no home or business that can get gigabit, 27 have some that can, 178 can all get it and 4 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Tollington, Finsbury Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A103A503A1201 N4 3GG: no Ofcom figureN4 3TD: no Ofcom figureN4 3AA: gigabit for allN4 3AB: gigabit for allN4 3AD: gigabit for allN4 3AE: gigabit for allN4 3AF: gigabit for allN4 3AG: gigabit for allN4 3AH: gigabit for allN4 3AJ: gigabit for allN4 3AL: gigabit for allN4 3AN: gigabit for allN4 3AP: gigabit for allN4 3AQ: gigabit for allN4 3AR: gigabit for allN4 3AS: gigabit for allN4 3AT: gigabit for allN4 3AU: gigabit for allN4 3AW: gigabit for allN4 3AX: gigabit for allN4 3AZ: gigabit for allN4 3BA: gigabit for allN4 3BB: gigabit for allN4 3BD: gigabit for allN4 3BE: gigabit for allN4 3BF: gigabit for allN4 3BG: gigabit for allN4 3BH: gigabit for allN4 3BJ: gigabit for allN4 3BL: gigabit for allN4 3BN: gigabit for allN4 3BP: gigabit for allN4 3BQ: gigabit for allN4 3BS: gigabit for allN4 3BT: gigabit for allN4 3BU: gigabit for allN4 3BW: gigabit for allN4 3BX: gigabit for allN4 3BY: gigabit for allN4 3BZ: gigabit for allN4 3DA: gigabit for allN4 3DB: gigabit for allN4 3DD: gigabit for allN4 3DE: gigabit for allN4 3DF: gigabit for allN4 3DG: gigabit for allN4 3DJ: gigabit for allN4 3DN: gigabit for allN4 3DP: gigabit for allN4 3DQ: gigabit for allN4 3DR: gigabit for allN4 3DS: gigabit for allN4 3DU: gigabit for allN4 3DW: gigabit for allN4 3DY: gigabit for allN4 3DZ: gigabit for allN4 3EG: gigabit for allN4 3EH: gigabit for allN4 3EJ: gigabit for allN4 3EL: gigabit for allN4 3ER: gigabit for allN4 3ET: gigabit for allN4 3EU: gigabit for allN4 3EX: gigabit for allN4 3FA: gigabit for allN4 3FD: gigabit for allN4 3FE: gigabit for allN4 3FF: gigabit for allN4 3FG: gigabit for allN4 3FH: gigabit for allN4 3FL: gigabit for allN4 3FP: gigabit for allN4 3FQ: gigabit for allN4 3FS: gigabit for allN4 3FX: gigabit for allN4 3GU: gigabit for allN4 3GY: gigabit for allN4 3HA: gigabit for allN4 3HB: gigabit for allN4 3HD: gigabit for allN4 3HF: gigabit for allN4 3HJ: gigabit for allN4 3HR: gigabit for allN4 3HS: gigabit for allN4 3HU: gigabit for allN4 3HX: gigabit for allN4 3HY: gigabit for allN4 3HZ: gigabit for allN4 3JA: gigabit for allN4 3JD: gigabit for allN4 3JE: gigabit for allN4 3JF: gigabit for allN4 3JH: gigabit for allN4 3JJ: gigabit for allN4 3JQ: gigabit for allN4 3JU: gigabit for allN4 3LA: gigabit for allN4 3LB: gigabit for allN4 3LD: gigabit for allN4 3LE: gigabit for allN4 3LF: gigabit for allN4 3LG: gigabit for allN4 3LJ: gigabit for allN4 3LN: gigabit for allN4 3LP: gigabit for allN4 3LQ: gigabit for allN4 3LR: gigabit for allN4 3LS: gigabit for allN4 3LW: gigabit for allN4 3LZ: gigabit for allN4 3NH: gigabit for allN4 3NJ: gigabit for allN4 3NL: gigabit for allN4 3NN: gigabit for allN4 3NS: gigabit for allN4 3NT: gigabit for allN4 3NW: gigabit for allN4 3PA: gigabit for allN4 3PB: gigabit for allN4 3PD: gigabit for allN4 3PE: gigabit for allN4 3PF: gigabit for allN4 3PG: gigabit for allN4 3PH: gigabit for allN4 3PJ: gigabit for allN4 3PN: gigabit for allN4 3PP: gigabit for allN4 3PQ: gigabit for allN4 3PR: gigabit for allN4 3PS: gigabit for allN4 3PT: gigabit for allN4 3PU: gigabit for allN4 3PW: gigabit for allN4 3PX: gigabit for allN4 3QA: gigabit for allN4 3QB: gigabit for allN4 3QD: gigabit for allN4 3QE: gigabit for allN4 3QG: gigabit for allN4 3QJ: gigabit for allN4 3QL: gigabit for allN4 3QP: gigabit for allN4 3QQ: gigabit for allN4 3QR: gigabit for allN4 3QS: gigabit for allN4 3QT: gigabit for allN4 3QW: gigabit for allN4 3QX: gigabit for allN4 3QY: gigabit for allN4 3QZ: gigabit for allN4 3RA: gigabit for allN4 3RB: gigabit for allN4 3RD: gigabit for allN4 3RE: gigabit for allN4 3RG: gigabit for allN4 3RN: gigabit for allN4 3RP: gigabit for allN4 3RR: gigabit for allN4 3RT: gigabit for allN4 3RU: gigabit for allN4 3RW: gigabit for allN4 3RX: gigabit for allN4 3RY: gigabit for allN4 3RZ: gigabit for allN4 3SA: gigabit for allN4 3SB: gigabit for allN4 3SD: gigabit for allN4 3SE: gigabit for allN4 3SF: gigabit for allN4 3SG: gigabit for allN4 3SH: gigabit for allN4 3SJ: gigabit for allN4 3SL: gigabit for allN4 3SN: gigabit for allN4 3SQ: gigabit for allN4 3SW: gigabit for allN4 3EA: some gigabitN4 3EF: some gigabitN4 3EN: some gigabitN4 3ES: some gigabitN4 3EY: some gigabitN4 3FB: some gigabitN4 3FJ: some gigabitN4 3FU: some gigabitN4 3FW: some gigabitN4 3HH: some gigabitN4 3HP: some gigabitN4 3HQ: some gigabitN4 3HT: some gigabitN4 3JG: some gigabitN4 3JP: some gigabitN4 3LL: some gigabitN4 3NG: some gigabitN4 3NP: some gigabitN4 3NR: some gigabitN4 3NU: some gigabitN4 3NX: some gigabitN4 3NY: some gigabitN4 3PZ: some gigabitN4 3QF: some gigabitN4 3QN: some gigabitN4 3RF: some gigabitN4 3RS: some gigabitN4 3DL: no gigabitN4 3NE: no gigabit TollingtonFinsbury Park Map of every postcode in the N4 3 sector, by gigabit broadband Of the 211 postcodes in the N4 3 sector that ONS places, 2 have no home or business that can get gigabit, 27 have some that can, 178 can all get it and 4 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Tollington, Finsbury Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. TollingtonFinsbury Park
  • No home or business can get gigabit: 2
  • Some can get gigabit: 27
  • Every home and business can get gigabit: 178
  • Ofcom gives no figure: 4

Of the 211 postcodes in the N4 3 sector that ONS places, 2 have no home or business that can get gigabit, 27 have some that can, 178 can all get it and 4 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

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

What do homes sell for in N4 3?

Homes in N4 3 sold for a typical £520,000 in the 12 months to September 2026, across 114 sales, down 14.8% on the 12 months before, HM Land Registry's figures show.

£520,000 typical price, the 12 months to September 2026
£610,000 12 months to September 2025
▼ down 14.8% on the 12 months before
  • Terraced £1,140,000 16 sales
  • Flat or maisonette £492,500 98 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 N4 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 October 2026.

Postcodes in N4 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: 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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