N21 1 postcode sector in the N21 district

N21 1 is a sector of the N21 district: every postcode that starts N21 1. It has 214 postcodes in use, 4 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 N21 1 sector, and which are new since 2020

Map of every postcode in the N21 1 sector, by new since 2020 Of the 214 postcodes in the N21 1 sector that ONS places, 214 were in use before 2020. Places named: Southgate, Grange Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. N21 1AA: before 2020N21 1AB: before 2020N21 1AD: before 2020N21 1AE: before 2020N21 1AF: before 2020N21 1AG: before 2020N21 1AH: before 2020N21 1AJ: before 2020N21 1AL: before 2020N21 1AN: before 2020N21 1AP: before 2020N21 1AQ: before 2020N21 1AR: before 2020N21 1AS: before 2020N21 1AT: before 2020N21 1AU: before 2020N21 1AW: before 2020N21 1AX: before 2020N21 1AY: before 2020N21 1AZ: before 2020N21 1BA: before 2020N21 1BB: before 2020N21 1BD: before 2020N21 1BE: before 2020N21 1BG: before 2020N21 1BH: before 2020N21 1BJ: before 2020N21 1BL: before 2020N21 1BN: before 2020N21 1BP: before 2020N21 1BS: before 2020N21 1BU: before 2020N21 1DA: before 2020N21 1DB: before 2020N21 1DD: before 2020N21 1DE: before 2020N21 1DF: before 2020N21 1DG: before 2020N21 1DH: before 2020N21 1DJ: before 2020N21 1DL: before 2020N21 1DN: before 2020N21 1DP: before 2020N21 1DR: before 2020N21 1DS: before 2020N21 1DT: before 2020N21 1DU: before 2020N21 1DX: before 2020N21 1DY: before 2020N21 1EA: before 2020N21 1EB: before 2020N21 1EG: before 2020N21 1EH: before 2020N21 1EJ: before 2020N21 1EL: before 2020N21 1EN: before 2020N21 1EP: before 2020N21 1EQ: before 2020N21 1ER: before 2020N21 1ES: before 2020N21 1ET: before 2020N21 1EU: before 2020N21 1EX: before 2020N21 1EY: before 2020N21 1GR: before 2020N21 1HA: before 2020N21 1HB: before 2020N21 1HD: before 2020N21 1HE: before 2020N21 1HG: before 2020N21 1HH: before 2020N21 1HJ: before 2020N21 1HL: before 2020N21 1HR: before 2020N21 1HS: before 2020N21 1HT: before 2020N21 1HU: before 2020N21 1HX: before 2020N21 1HY: before 2020N21 1HZ: before 2020N21 1JA: before 2020N21 1JB: before 2020N21 1JD: before 2020N21 1JE: before 2020N21 1JF: before 2020N21 1JG: before 2020N21 1JH: before 2020N21 1JJ: before 2020N21 1JL: before 2020N21 1JP: before 2020N21 1JQ: before 2020N21 1JR: before 2020N21 1JS: before 2020N21 1JT: before 2020N21 1JU: before 2020N21 1JX: before 2020N21 1LD: before 2020N21 1LE: before 2020N21 1LG: before 2020N21 1LH: before 2020N21 1LJ: before 2020N21 1LL: before 2020N21 1LN: before 2020N21 1LP: before 2020N21 1LR: before 2020N21 1LS: before 2020N21 1LT: before 2020N21 1LU: before 2020N21 1LW: before 2020N21 1LX: before 2020N21 1LY: before 2020N21 1LZ: before 2020N21 1NB: before 2020N21 1ND: before 2020N21 1NE: before 2020N21 1NG: before 2020N21 1NJ: before 2020N21 1NL: before 2020N21 1NN: before 2020N21 1NP: before 2020N21 1NR: before 2020N21 1NS: before 2020N21 1NT: before 2020N21 1NU: before 2020N21 1NX: before 2020N21 1NY: before 2020N21 1PA: before 2020N21 1PB: before 2020N21 1PD: before 2020N21 1PE: before 2020N21 1PG: before 2020N21 1PH: before 2020N21 1PJ: before 2020N21 1PP: before 2020N21 1PQ: before 2020N21 1PR: before 2020N21 1PS: before 2020N21 1QA: before 2020N21 1QB: before 2020N21 1QD: before 2020N21 1QE: before 2020N21 1QG: before 2020N21 1QH: before 2020N21 1QJ: before 2020N21 1QL: before 2020N21 1QN: before 2020N21 1QP: before 2020N21 1QQ: before 2020N21 1QR: before 2020N21 1QS: before 2020N21 1QT: before 2020N21 1QU: before 2020N21 1QX: before 2020N21 1RA: before 2020N21 1RD: before 2020N21 1RE: before 2020N21 1RF: before 2020N21 1RG: before 2020N21 1RH: before 2020N21 1RJ: before 2020N21 1RL: before 2020N21 1RN: before 2020N21 1RR: before 2020N21 1RS: before 2020N21 1RT: before 2020N21 1RZ: before 2020N21 1SB: before 2020N21 1SF: before 2020N21 1SG: before 2020N21 1SH: before 2020N21 1SJ: before 2020N21 1SL: before 2020N21 1SN: before 2020N21 1SP: before 2020N21 1SQ: before 2020N21 1SR: before 2020N21 1SS: before 2020N21 1ST: before 2020N21 1SU: before 2020N21 1SW: before 2020N21 1SX: before 2020N21 1SY: before 2020N21 1SZ: before 2020N21 1TD: before 2020N21 1TE: before 2020N21 1TF: before 2020N21 1TG: before 2020N21 1TH: before 2020N21 1TJ: before 2020N21 1TL: before 2020N21 1TN: before 2020N21 1TP: before 2020N21 1TQ: before 2020N21 1TR: before 2020N21 1TS: before 2020N21 1TT: before 2020N21 1TW: before 2020N21 1TX: before 2020N21 1TY: before 2020N21 1TZ: before 2020N21 1UA: before 2020N21 1UB: before 2020N21 1UD: before 2020N21 1UE: before 2020N21 1UF: before 2020N21 1UG: before 2020N21 1UH: before 2020N21 1UJ: before 2020N21 1UL: before 2020N21 1UZ: before 2020 SouthgateGrange Park Map of every postcode in the N21 1 sector, by new since 2020 Of the 214 postcodes in the N21 1 sector that ONS places, 214 were in use before 2020. Places named: Southgate, Grange Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SouthgateGrange Park
  • New since 2020: 0
  • In use before 2020: 214

Of the 214 postcodes in the N21 1 sector that ONS places, 214 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 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.

What do homes sell for in N21 1?

Homes in N21 1 sold for a typical £648,000 in the 12 months to August 2026, across 78 sales, HM Land Registry's figures show. The 12 months before gave £650,000 from 109 sales: not a change larger than chance would explain, given which homes happened to sell.

£648,000 typical price, the 12 months to August 2026
£650,000 12 months to August 2025
  • Detached £900,000 9 sales
  • Semi-detached £922,500 24 sales
  • Terraced £802,500 10 sales
  • Flat or maisonette £370,000 35 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 N21 1. 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.

Postcodes in N21 1

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.

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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 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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