N1C 4 postcode sector in the N1C district

N1C 4 is a sector of the N1C district: every postcode that starts N1C 4. It has 82 postcodes in use, one of them a large-user postcode. 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 N1C 4 sector, by flood risk

Map of every postcode in the N1C 4 sector, by flood risk Of the 82 postcodes in the N1C 4 sector that ONS places, 82 are not on the Environment Agency's at-risk list. Places named: King's Cross. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. N1C 4AA: not on the flood risk listN1C 4AB: not on the flood risk listN1C 4AD: not on the flood risk listN1C 4AE: not on the flood risk listN1C 4AG: not on the flood risk listN1C 4AJ: not on the flood risk listN1C 4AL: not on the flood risk listN1C 4AN: not on the flood risk listN1C 4AP: not on the flood risk listN1C 4AQ: not on the flood risk listN1C 4AR: not on the flood risk listN1C 4AS: not on the flood risk listN1C 4AU: not on the flood risk listN1C 4AX: not on the flood risk listN1C 4AY: not on the flood risk listN1C 4AZ: not on the flood risk listN1C 4BA: not on the flood risk listN1C 4BB: not on the flood risk listN1C 4BD: not on the flood risk listN1C 4BE: not on the flood risk listN1C 4BH: not on the flood risk listN1C 4BJ: not on the flood risk listN1C 4BN: not on the flood risk listN1C 4BP: not on the flood risk listN1C 4BS: not on the flood risk listN1C 4BT: not on the flood risk listN1C 4BU: not on the flood risk listN1C 4BW: not on the flood risk listN1C 4BZ: not on the flood risk listN1C 4DA: not on the flood risk listN1C 4DB: not on the flood risk listN1C 4DD: not on the flood risk listN1C 4DF: not on the flood risk listN1C 4DH: not on the flood risk listN1C 4DJ: not on the flood risk listN1C 4DL: not on the flood risk listN1C 4DN: not on the flood risk listN1C 4DP: not on the flood risk listN1C 4DQ: not on the flood risk listN1C 4DR: not on the flood risk listN1C 4DS: not on the flood risk listN1C 4DT: not on the flood risk listN1C 4DU: not on the flood risk listN1C 4DW: not on the flood risk listN1C 4DX: not on the flood risk listN1C 4DY: not on the flood risk listN1C 4DZ: not on the flood risk listN1C 4EB: not on the flood risk listN1C 4ED: not on the flood risk listN1C 4EE: not on the flood risk listN1C 4EF: not on the flood risk listN1C 4EG: not on the flood risk listN1C 4EJ: not on the flood risk listN1C 4EN: not on the flood risk listN1C 4EP: not on the flood risk listN1C 4EQ: not on the flood risk listN1C 4EU: not on the flood risk listN1C 4EW: not on the flood risk listN1C 4PD: not on the flood risk listN1C 4PF: not on the flood risk listN1C 4PG: not on the flood risk listN1C 4PL: not on the flood risk listN1C 4PN: not on the flood risk listN1C 4PP: not on the flood risk listN1C 4PQ: not on the flood risk listN1C 4PW: not on the flood risk listN1C 4QL: not on the flood risk listN1C 4TB: not on the flood risk listN1C 4UR: not on the flood risk listN1C 4UZ: not on the flood risk list King's Cross Map of every postcode in the N1C 4 sector, by flood risk Of the 82 postcodes in the N1C 4 sector that ONS places, 82 are not on the Environment Agency's at-risk list. Places named: King's Cross. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. King's Cross
  • 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: 82

Of the 82 postcodes in the N1C 4 sector that ONS places, 82 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

What do homes sell for in N1C 4?

Homes in N1C 4 sold for a typical £977,500 in the 12 months to August 2026, across 14 sales, down 15% on the 12 months before, HM Land Registry's figures show.

£977,500 typical price, the 12 months to August 2026
£1,150,000 12 months to August 2025
▼ down 15% on the 12 months before
  • Flat or maisonette £977,500 14 sales

Standard sales of homes at market value at the postcodes that start N1C 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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