N6 4 postcode sector in the N6 district

N6 4 is a sector of the N6 district: every postcode that starts N6 4. It has 140 postcodes in use, 5 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 N6 4 sector, by flood risk

Map of every postcode in the N6 4 sector, by flood risk Of the 140 postcodes in the N6 4 sector that ONS places, 140 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Highgate, Fortis Green. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1A1000 N6 4AA: not on the flood risk listN6 4AB: not on the flood risk listN6 4AD: not on the flood risk listN6 4AE: not on the flood risk listN6 4AF: not on the flood risk listN6 4AH: not on the flood risk listN6 4AJ: not on the flood risk listN6 4AL: not on the flood risk listN6 4AN: not on the flood risk listN6 4AP: not on the flood risk listN6 4AQ: not on the flood risk listN6 4AR: not on the flood risk listN6 4AT: not on the flood risk listN6 4AU: not on the flood risk listN6 4AW: not on the flood risk listN6 4AX: not on the flood risk listN6 4AY: not on the flood risk listN6 4AZ: not on the flood risk listN6 4BA: not on the flood risk listN6 4BB: not on the flood risk listN6 4BD: not on the flood risk listN6 4BE: not on the flood risk listN6 4BF: not on the flood risk listN6 4BG: not on the flood risk listN6 4BH: not on the flood risk listN6 4BJ: not on the flood risk listN6 4BQ: not on the flood risk listN6 4BS: not on the flood risk listN6 4BT: not on the flood risk listN6 4BX: not on the flood risk listN6 4BY: not on the flood risk listN6 4DA: not on the flood risk listN6 4DB: not on the flood risk listN6 4DD: not on the flood risk listN6 4DE: not on the flood risk listN6 4DG: not on the flood risk listN6 4DH: not on the flood risk listN6 4DJ: not on the flood risk listN6 4DP: not on the flood risk listN6 4DR: not on the flood risk listN6 4DS: not on the flood risk listN6 4DT: not on the flood risk listN6 4DU: not on the flood risk listN6 4DX: not on the flood risk listN6 4EA: not on the flood risk listN6 4EB: not on the flood risk listN6 4ED: not on the flood risk listN6 4EG: not on the flood risk listN6 4EH: not on the flood risk listN6 4EJ: not on the flood risk listN6 4ER: not on the flood risk listN6 4ES: not on the flood risk listN6 4ET: not on the flood risk listN6 4EU: not on the flood risk listN6 4EX: not on the flood risk listN6 4EY: not on the flood risk listN6 4HA: not on the flood risk listN6 4HB: not on the flood risk listN6 4HD: not on the flood risk listN6 4HH: not on the flood risk listN6 4HJ: not on the flood risk listN6 4HL: not on the flood risk listN6 4HP: not on the flood risk listN6 4HT: not on the flood risk listN6 4HU: not on the flood risk listN6 4HX: not on the flood risk listN6 4JA: not on the flood risk listN6 4JH: not on the flood risk listN6 4JJ: not on the flood risk listN6 4JP: not on the flood risk listN6 4JR: not on the flood risk listN6 4JS: not on the flood risk listN6 4JT: not on the flood risk listN6 4JU: not on the flood risk listN6 4LA: not on the flood risk listN6 4LB: not on the flood risk listN6 4LH: not on the flood risk listN6 4LL: not on the flood risk listN6 4LP: not on the flood risk listN6 4LR: not on the flood risk listN6 4LS: not on the flood risk listN6 4LT: not on the flood risk listN6 4LU: not on the flood risk listN6 4LX: not on the flood risk listN6 4LY: not on the flood risk listN6 4NA: not on the flood risk listN6 4NB: not on the flood risk listN6 4ND: not on the flood risk listN6 4NH: not on the flood risk listN6 4NJ: not on the flood risk listN6 4NL: not on the flood risk listN6 4NP: not on the flood risk listN6 4NR: not on the flood risk listN6 4NS: not on the flood risk listN6 4NT: not on the flood risk listN6 4NU: not on the flood risk listN6 4NX: not on the flood risk listN6 4NY: not on the flood risk listN6 4PB: not on the flood risk listN6 4PH: not on the flood risk listN6 4PL: not on the flood risk listN6 4PP: not on the flood risk listN6 4PR: not on the flood risk listN6 4PU: not on the flood risk listN6 4PW: not on the flood risk listN6 4QA: not on the flood risk listN6 4QD: not on the flood risk listN6 4QH: not on the flood risk listN6 4QP: not on the flood risk listN6 4QR: not on the flood risk listN6 4QS: not on the flood risk listN6 4QT: not on the flood risk listN6 4QX: not on the flood risk listN6 4RA: not on the flood risk listN6 4RD: not on the flood risk listN6 4RH: not on the flood risk listN6 4RJ: not on the flood risk listN6 4RL: not on the flood risk listN6 4RP: not on the flood risk listN6 4RS: not on the flood risk listN6 4RT: not on the flood risk listN6 4RU: not on the flood risk listN6 4SA: not on the flood risk listN6 4SB: not on the flood risk listN6 4SD: not on the flood risk listN6 4SH: not on the flood risk listN6 4SJ: not on the flood risk listN6 4SL: not on the flood risk listN6 4SP: not on the flood risk listN6 4SS: not on the flood risk listN6 4ST: not on the flood risk listN6 4SU: not on the flood risk listN6 4SX: not on the flood risk listN6 4SY: not on the flood risk listN6 4TA: not on the flood risk listN6 4TB: not on the flood risk listN6 4TD: not on the flood risk listN6 4TH: not on the flood risk listN6 4TJ: not on the flood risk list HighgateFortis Green Map of every postcode in the N6 4 sector, by flood risk Of the 140 postcodes in the N6 4 sector that ONS places, 140 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Highgate, Fortis Green. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. HighgateFortis Green
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 140

Of the 140 postcodes in the N6 4 sector that ONS places, 140 are not on the Environment Agency's at-risk list.

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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; 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

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 N6 4?

Homes in N6 4 sold for a typical £975,000 in the 12 months to August 2026, across 38 sales, up 18.9% on the 12 months before, HM Land Registry's figures show.

£975,000 typical price, the 12 months to August 2026
£820,000 12 months to August 2025
▲ up 18.9% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached £2,250,000 5 sales
  • Terraced £1,900,000 9 sales
  • Flat or maisonette £580,000 20 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 N6 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

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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