KT21 1 postcode sector in the KT21 district

KT21 1 is a sector of the KT21 district: every postcode that starts KT21 1. It has 149 postcodes in use, 2 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 KT21 1 sector, and which are new since 2020

Map of every postcode in the KT21 1 sector, by new since 2020 Of the 149 postcodes in the KT21 1 sector that ONS places, 149 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Ashtead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A24 KT21 1AA: before 2020KT21 1AF: before 2020KT21 1AL: before 2020KT21 1AT: before 2020KT21 1AW: before 2020KT21 1AZ: before 2020KT21 1BD: before 2020KT21 1BE: before 2020KT21 1BH: before 2020KT21 1BJ: before 2020KT21 1BL: before 2020KT21 1BN: before 2020KT21 1BS: before 2020KT21 1BT: before 2020KT21 1BU: before 2020KT21 1BZ: before 2020KT21 1DD: before 2020KT21 1DE: before 2020KT21 1DF: before 2020KT21 1DG: before 2020KT21 1DH: before 2020KT21 1DJ: before 2020KT21 1DL: before 2020KT21 1DP: before 2020KT21 1DR: before 2020KT21 1DS: before 2020KT21 1DT: before 2020KT21 1DU: before 2020KT21 1DW: before 2020KT21 1DX: before 2020KT21 1DY: before 2020KT21 1DZ: before 2020KT21 1EA: before 2020KT21 1EB: before 2020KT21 1ED: before 2020KT21 1EE: before 2020KT21 1EG: before 2020KT21 1EJ: before 2020KT21 1EN: before 2020KT21 1ET: before 2020KT21 1EU: before 2020KT21 1EY: before 2020KT21 1HA: before 2020KT21 1HD: before 2020KT21 1HF: before 2020KT21 1HJ: before 2020KT21 1HN: before 2020KT21 1HP: before 2020KT21 1HQ: before 2020KT21 1HR: before 2020KT21 1HS: before 2020KT21 1HU: before 2020KT21 1HY: before 2020KT21 1JA: before 2020KT21 1JB: before 2020KT21 1JG: before 2020KT21 1JL: before 2020KT21 1JN: before 2020KT21 1JR: before 2020KT21 1JS: before 2020KT21 1JU: before 2020KT21 1JX: before 2020KT21 1LD: before 2020KT21 1LE: before 2020KT21 1LF: before 2020KT21 1LG: before 2020KT21 1LH: before 2020KT21 1LJ: before 2020KT21 1LQ: before 2020KT21 1LR: before 2020KT21 1LS: before 2020KT21 1LT: before 2020KT21 1LU: before 2020KT21 1LW: before 2020KT21 1LY: before 2020KT21 1NA: before 2020KT21 1NB: before 2020KT21 1NE: before 2020KT21 1NG: before 2020KT21 1NH: before 2020KT21 1NL: before 2020KT21 1NN: before 2020KT21 1NP: before 2020KT21 1NQ: before 2020KT21 1NR: before 2020KT21 1NS: before 2020KT21 1NT: before 2020KT21 1NU: before 2020KT21 1NW: before 2020KT21 1NX: before 2020KT21 1PA: before 2020KT21 1PB: before 2020KT21 1PD: before 2020KT21 1PE: before 2020KT21 1PG: before 2020KT21 1PH: before 2020KT21 1PJ: before 2020KT21 1PL: before 2020KT21 1PP: before 2020KT21 1PR: before 2020KT21 1PS: before 2020KT21 1PT: before 2020KT21 1PU: before 2020KT21 1PW: before 2020KT21 1PX: before 2020KT21 1PY: before 2020KT21 1PZ: before 2020KT21 1QB: before 2020KT21 1QD: before 2020KT21 1QF: before 2020KT21 1QJ: before 2020KT21 1QL: before 2020KT21 1QQ: before 2020KT21 1QR: before 2020KT21 1QU: before 2020KT21 1QX: before 2020KT21 1QY: before 2020KT21 1QZ: before 2020KT21 1RB: before 2020KT21 1RD: before 2020KT21 1RE: before 2020KT21 1RF: before 2020KT21 1RH: before 2020KT21 1RL: before 2020KT21 1RN: before 2020KT21 1RP: before 2020KT21 1RQ: before 2020KT21 1RR: before 2020KT21 1RS: before 2020KT21 1RT: before 2020KT21 1RU: before 2020KT21 1RW: before 2020KT21 1RX: before 2020KT21 1RY: before 2020KT21 1RZ: before 2020KT21 1SA: before 2020KT21 1SB: before 2020KT21 1SD: before 2020KT21 1SE: before 2020KT21 1SF: before 2020KT21 1SG: before 2020KT21 1SH: before 2020KT21 1SJ: before 2020KT21 1SL: before 2020KT21 1SN: before 2020KT21 1SQ: before 2020KT21 1SW: before 2020 Ashtead Map of every postcode in the KT21 1 sector, by new since 2020 Of the 149 postcodes in the KT21 1 sector that ONS places, 149 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Ashtead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A24 Ashtead
  • New since 2020: 0
  • In use before 2020: 149

Of the 149 postcodes in the KT21 1 sector that ONS places, 149 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.

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.

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 KT21 1?

Homes in KT21 1 sold for a typical £760,000 in the 12 months to August 2026, across 53 sales, HM Land Registry's figures show. The 12 months before gave £820,000 from 73 sales: not a change larger than chance would explain, given which homes happened to sell.

£760,000 typical price, the 12 months to August 2026
£820,000 12 months to August 2025
  • Detached £859,950 15 sales
  • Semi-detached £675,000 31 sales
  • Terraced 3 sales, too few to price
  • Flat or maisonette 4 sales, too few to price

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 KT21 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 KT21 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.

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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