SA1 1 postcode sector in the SA1 district

SA1 1 is a sector of the SA1 district: every postcode that starts SA1 1. It has 156 postcodes in use, 19 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 SA1 1 sector, and which are new since 2020

Map of every postcode in the SA1 1 sector, by new since 2020 Of the 156 postcodes in the SA1 1 sector that ONS places, 4 are new since 2020 and 152 were in use before 2020. Places named: Swansea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A4217A483A4067 SA1 1AF: before 2020SA1 1AU: before 2020SA1 1AZ: before 2020SA1 1DE: before 2020SA1 1DF: before 2020SA1 1DG: before 2020SA1 1DP: before 2020SA1 1DX: before 2020SA1 1DY: before 2020SA1 1DZ: before 2020SA1 1EB: before 2020SA1 1ED: before 2020SA1 1EE: before 2020SA1 1EF: before 2020SA1 1EG: before 2020SA1 1EJ: before 2020SA1 1EQ: before 2020SA1 1FY: before 2020SA1 1FZ: before 2020SA1 1HE: before 2020SA1 1HF: before 2020SA1 1HG: before 2020SA1 1HS: before 2020SA1 1HU: before 2020SA1 1HW: before 2020SA1 1HY: before 2020SA1 1HZ: before 2020SA1 1JE: before 2020SA1 1JF: before 2020SA1 1JN: before 2020SA1 1JQ: before 2020SA1 1JR: before 2020SA1 1JZ: before 2020SA1 1LA: before 2020SA1 1LB: before 2020SA1 1LE: before 2020SA1 1LF: before 2020SA1 1LG: before 2020SA1 1LJ: before 2020SA1 1LL: before 2020SA1 1LN: before 2020SA1 1LS: before 2020SA1 1LW: before 2020SA1 1LY: before 2020SA1 1LZ: before 2020SA1 1NA: before 2020SA1 1NB: before 2020SA1 1NF: before 2020SA1 1NG: before 2020SA1 1NH: before 2020SA1 1NJ: before 2020SA1 1NQ: before 2020SA1 1NT: before 2020SA1 1NU: before 2020SA1 1NW: before 2020SA1 1NY: before 2020SA1 1NZ: before 2020SA1 1PE: before 2020SA1 1PG: before 2020SA1 1PL: before 2020SA1 1PT: before 2020SA1 1PY: before 2020SA1 1QA: before 2020SA1 1QB: before 2020SA1 1QE: before 2020SA1 1QG: before 2020SA1 1QP: before 2020SA1 1QQ: before 2020SA1 1QR: before 2020SA1 1QW: before 2020SA1 1QX: before 2020SA1 1RE: before 2020SA1 1RH: before 2020SA1 1RP: before 2020SA1 1RQ: before 2020SA1 1RR: before 2020SA1 1RS: before 2020SA1 1RT: before 2020SA1 1RU: before 2020SA1 1RW: before 2020SA1 1RY: before 2020SA1 1RZ: before 2020SA1 1SA: before 2020SA1 1SB: before 2020SA1 1SD: before 2020SA1 1SE: before 2020SA1 1SG: before 2020SA1 1SN: before 2020SA1 1SP: before 2020SA1 1SR: before 2020SA1 1SU: before 2020SA1 1SW: before 2020SA1 1TT: before 2020SA1 1TW: before 2020SA1 1TY: before 2020SA1 1UA: before 2020SA1 1UB: before 2020SA1 1UD: before 2020SA1 1UE: before 2020SA1 1UF: before 2020SA1 1UG: before 2020SA1 1UH: before 2020SA1 1UL: before 2020SA1 1UN: before 2020SA1 1UP: before 2020SA1 1UQ: before 2020SA1 1UU: before 2020SA1 1UW: before 2020SA1 1UX: before 2020SA1 1UZ: before 2020SA1 1WD: before 2020SA1 1WG: before 2020SA1 1XA: before 2020SA1 1XB: before 2020SA1 1XW: before 2020SA1 1XX: before 2020SA1 1XY: before 2020SA1 1XZ: before 2020SA1 1YB: before 2020SA1 1YE: before 2020SA1 1YF: before 2020SA1 1YG: before 2020SA1 1YH: before 2020SA1 1YJ: before 2020SA1 1YQ: before 2020SA1 1YW: before 2020SA1 1YZ: before 2020SA1 1AD: new since 2020SA1 1HP: new since 2020SA1 1JB: new since 2020SA1 1XD: new since 2020 Swansea Map of every postcode in the SA1 1 sector, by new since 2020 Of the 156 postcodes in the SA1 1 sector that ONS places, 4 are new since 2020 and 152 were in use before 2020. Places named: Swansea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A4067A4217A483 Swansea
  • New since 2020: 4
  • In use before 2020: 152

Of the 156 postcodes in the SA1 1 sector that ONS places, 4 are new since 2020 and 152 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.

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

The 4 newest postcodes

SA1 1XDMay 2024SA1 1JBFebruary 2024SA1 1ADOctober 2023SA1 1HPOctober 2023

What do homes sell for in SA1 1?

Homes in SA1 1 sold for a typical £150,000 in the 12 months to August 2026, across 41 sales, down 13% on the 12 months before, HM Land Registry's figures show.

£150,000 typical price, the 12 months to August 2026
£172,500 12 months to August 2025
▼ down 13% on the 12 months before
  • Semi-detached 1 sale, too few to price
  • Terraced 3 sales, too few to price
  • Flat or maisonette £140,000 37 sales

Standard sales of homes at market value at the postcodes that start SA1 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

Postcodes in SA1 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.

SA1 1AASA1 1ADSA1 1AFSA1 1AUSA1 1AZSA1 1BPSA1 1DESA1 1DFSA1 1DGSA1 1DPSA1 1DWSA1 1DXSA1 1DYSA1 1DZSA1 1EBSA1 1EDSA1 1EESA1 1EFSA1 1EGSA1 1EJSA1 1EPSA1 1EQSA1 1FYSA1 1FZSA1 1HESA1 1HFSA1 1HGSA1 1HPSA1 1HSSA1 1HUSA1 1HWSA1 1HYSA1 1HZSA1 1JBSA1 1JESA1 1JFSA1 1JGSA1 1JHSA1 1JNSA1 1JQSA1 1JRSA1 1JSSA1 1JTSA1 1JWSA1 1JZSA1 1LASA1 1LBSA1 1LDSA1 1LESA1 1LFSA1 1LGSA1 1LJSA1 1LLSA1 1LNSA1 1LSSA1 1LTSA1 1LWSA1 1LYSA1 1LZSA1 1NASA1 1NBSA1 1NESA1 1NFSA1 1NGSA1 1NHSA1 1NJSA1 1NQSA1 1NTSA1 1NUSA1 1NWSA1 1NXSA1 1NYSA1 1NZSA1 1PESA1 1PGSA1 1PLSA1 1PSSA1 1PTSA1 1PUSA1 1PYSA1 1PZSA1 1QASA1 1QBSA1 1QDSA1 1QESA1 1QFSA1 1QGSA1 1QPSA1 1QQSA1 1QRSA1 1QWSA1 1QXSA1 1RESA1 1RGSA1 1RHSA1 1RLSA1 1RPSA1 1RQSA1 1RRSA1 1RSSA1 1RTSA1 1RUSA1 1RWSA1 1RYSA1 1RZSA1 1SASA1 1SBSA1 1SDSA1 1SESA1 1SGSA1 1SHSA1 1SNSA1 1SPSA1 1SRSA1 1SUSA1 1SWSA1 1TSSA1 1TTSA1 1TWSA1 1TYSA1 1UASA1 1UBSA1 1UDSA1 1UESA1 1UFSA1 1UGSA1 1UHSA1 1ULSA1 1UNSA1 1UPSA1 1UQSA1 1UUSA1 1UWSA1 1UXSA1 1UZSA1 1WDSA1 1WGSA1 1WWSA1 1XASA1 1XBSA1 1XDSA1 1XHSA1 1XWSA1 1XXSA1 1XYSA1 1XZSA1 1YBSA1 1YESA1 1YFSA1 1YGSA1 1YHSA1 1YJSA1 1YNSA1 1YQSA1 1YWSA1 1YZ

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

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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