SA3 1 postcode sector in the SA3 district

SA3 1 is a sector of the SA3 district: every postcode that starts SA3 1. It has 119 postcodes in use, 6 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 SA3 1 sector, and which are new since 2020

Map of every postcode in the SA3 1 sector, by new since 2020 Of the 119 postcodes in the SA3 1 sector that ONS places, 119 were in use before 2020. Places named: Gower. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. SA3 1AA: before 2020SA3 1AB: before 2020SA3 1AD: before 2020SA3 1AE: before 2020SA3 1AF: before 2020SA3 1AG: before 2020SA3 1AH: before 2020SA3 1AJ: before 2020SA3 1AN: before 2020SA3 1AQ: before 2020SA3 1AR: before 2020SA3 1AS: before 2020SA3 1AU: before 2020SA3 1AW: before 2020SA3 1AX: before 2020SA3 1AY: before 2020SA3 1BA: before 2020SA3 1BB: before 2020SA3 1BD: before 2020SA3 1BE: before 2020SA3 1BG: before 2020SA3 1BH: before 2020SA3 1BJ: before 2020SA3 1BQ: before 2020SA3 1BR: before 2020SA3 1BS: before 2020SA3 1BT: before 2020SA3 1BU: before 2020SA3 1BX: before 2020SA3 1BY: before 2020SA3 1BZ: before 2020SA3 1DA: before 2020SA3 1DB: before 2020SA3 1DE: before 2020SA3 1DH: before 2020SA3 1DJ: before 2020SA3 1DL: before 2020SA3 1DP: before 2020SA3 1DQ: before 2020SA3 1DR: before 2020SA3 1DS: before 2020SA3 1DT: before 2020SA3 1EB: before 2020SA3 1ED: before 2020SA3 1EH: before 2020SA3 1EL: before 2020SA3 1EN: before 2020SA3 1EQ: before 2020SA3 1ER: before 2020SA3 1ES: before 2020SA3 1ET: before 2020SA3 1EU: before 2020SA3 1EX: before 2020SA3 1EY: before 2020SA3 1HA: before 2020SA3 1HB: before 2020SA3 1HD: before 2020SA3 1HN: before 2020SA3 1HP: before 2020SA3 1HQ: before 2020SA3 1HR: before 2020SA3 1HS: before 2020SA3 1HT: before 2020SA3 1HW: before 2020SA3 1HY: before 2020SA3 1JA: before 2020SA3 1JB: before 2020SA3 1JD: before 2020SA3 1JE: before 2020SA3 1JH: before 2020SA3 1JL: before 2020SA3 1JP: before 2020SA3 1JQ: before 2020SA3 1JR: before 2020SA3 1JT: before 2020SA3 1LA: before 2020SA3 1LB: before 2020SA3 1LD: before 2020SA3 1LE: before 2020SA3 1LL: before 2020SA3 1LN: before 2020SA3 1LQ: before 2020SA3 1LR: before 2020SA3 1LS: before 2020SA3 1LT: before 2020SA3 1LU: before 2020SA3 1LW: before 2020SA3 1LX: before 2020SA3 1LY: before 2020SA3 1NA: before 2020SA3 1NB: before 2020SA3 1ND: before 2020SA3 1NJ: before 2020SA3 1NL: before 2020SA3 1NN: before 2020SA3 1NP: before 2020SA3 1NQ: before 2020SA3 1NR: before 2020SA3 1NS: before 2020SA3 1NT: before 2020SA3 1NX: before 2020SA3 1NZ: before 2020SA3 1PD: before 2020SA3 1PE: before 2020SA3 1PH: before 2020SA3 1PJ: before 2020SA3 1PL: before 2020SA3 1PN: before 2020SA3 1PP: before 2020SA3 1PQ: before 2020SA3 1PR: before 2020SA3 1PT: before 2020 Gower Map of every postcode in the SA3 1 sector, by new since 2020 Of the 119 postcodes in the SA3 1 sector that ONS places, 119 were in use before 2020. Places named: Gower. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Gower
  • New since 2020: 0
  • In use before 2020: 119

Of the 119 postcodes in the SA3 1 sector that ONS places, 119 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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; 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 SA3 1?

Homes in SA3 1 sold for a typical £500,000 in the 12 months to August 2026, across 25 sales, up 10.5% on the 12 months before, HM Land Registry's figures show.

£500,000 typical price, the 12 months to August 2026
£452,500 12 months to August 2025
▲ up 10.5% on the 12 months before
  • Detached £500,000 23 sales
  • Terraced 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start SA3 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. 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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