SA1 4 postcode sector in the SA1 district

SA1 4 is a sector of the SA1 district: every postcode that starts SA1 4. It has 108 postcodes in use, 10 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 4 sector, and which are new since 2020

Map of every postcode in the SA1 4 sector, by new since 2020 Of the 108 postcodes in the SA1 4 sector that ONS places, 1 are new since 2020 and 107 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Uplands, Castle. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4067A4118 SA1 4AB: before 2020SA1 4AE: before 2020SA1 4AF: before 2020SA1 4AG: before 2020SA1 4AJ: before 2020SA1 4AN: before 2020SA1 4AP: before 2020SA1 4AQ: before 2020SA1 4AW: before 2020SA1 4AY: before 2020SA1 4AZ: before 2020SA1 4BB: before 2020SA1 4BD: before 2020SA1 4BE: before 2020SA1 4BG: before 2020SA1 4BL: before 2020SA1 4BQ: before 2020SA1 4DE: before 2020SA1 4DF: before 2020SA1 4DG: before 2020SA1 4DH: before 2020SA1 4DJ: before 2020SA1 4DQ: before 2020SA1 4EH: before 2020SA1 4EU: before 2020SA1 4EW: before 2020SA1 4EY: before 2020SA1 4EZ: before 2020SA1 4HE: before 2020SA1 4HF: before 2020SA1 4HH: before 2020SA1 4HN: before 2020SA1 4HR: before 2020SA1 4HS: before 2020SA1 4HT: before 2020SA1 4HW: before 2020SA1 4HX: before 2020SA1 4HZ: before 2020SA1 4JE: before 2020SA1 4JG: before 2020SA1 4JH: before 2020SA1 4JJ: before 2020SA1 4JL: before 2020SA1 4JN: before 2020SA1 4JP: before 2020SA1 4JQ: before 2020SA1 4JR: before 2020SA1 4JS: before 2020SA1 4JT: before 2020SA1 4JU: before 2020SA1 4JW: before 2020SA1 4JY: before 2020SA1 4JZ: before 2020SA1 4LH: before 2020SA1 4LL: before 2020SA1 4LN: before 2020SA1 4LP: before 2020SA1 4LS: before 2020SA1 4LT: before 2020SA1 4LU: before 2020SA1 4LW: before 2020SA1 4LX: before 2020SA1 4LY: before 2020SA1 4LZ: before 2020SA1 4NA: before 2020SA1 4ND: before 2020SA1 4NE: before 2020SA1 4NF: before 2020SA1 4NG: before 2020SA1 4NH: before 2020SA1 4NJ: before 2020SA1 4NN: before 2020SA1 4NP: before 2020SA1 4NQ: before 2020SA1 4NT: before 2020SA1 4NW: before 2020SA1 4PF: before 2020SA1 4PQ: before 2020SA1 4PS: before 2020SA1 4PT: before 2020SA1 4PY: before 2020SA1 4QA: before 2020SA1 4QF: before 2020SA1 4QG: before 2020SA1 4QH: before 2020SA1 4QJ: before 2020SA1 4QL: before 2020SA1 4QN: before 2020SA1 4QP: before 2020SA1 4QQ: before 2020SA1 4QR: before 2020SA1 4QS: before 2020SA1 4QT: before 2020SA1 4QX: before 2020SA1 4DR: new since 2020 UplandsCastle Map of every postcode in the SA1 4 sector, by new since 2020 Of the 108 postcodes in the SA1 4 sector that ONS places, 1 are new since 2020 and 107 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Uplands, Castle. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4067 UplandsCastle
  • New since 2020: 1
  • In use before 2020: 107

Of the 108 postcodes in the SA1 4 sector that ONS places, 1 are new since 2020 and 107 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

The newest postcode

SA1 4DROctober 2022

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.

SA1 4YA

What do homes sell for in SA1 4?

Homes in SA1 4 sold for a typical £165,000 in the 12 months to August 2026, across 25 sales, up 1.9% on the 12 months before, HM Land Registry's figures show.

£165,000 typical price, the 12 months to August 2026
£162,000 12 months to August 2025
▲ up 1.9% on the 12 months before
  • Detached 1 sale, too few to price
  • Terraced £189,000 15 sales
  • Flat or maisonette £85,000 9 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 SA1 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

Postcodes in SA1 4

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 4ABSA1 4AESA1 4AFSA1 4AGSA1 4AJSA1 4ANSA1 4APSA1 4AQSA1 4AWSA1 4AYSA1 4AZSA1 4BBSA1 4BDSA1 4BESA1 4BGSA1 4BLSA1 4BQSA1 4DESA1 4DFSA1 4DGSA1 4DHSA1 4DJSA1 4DLSA1 4DNSA1 4DQSA1 4DRSA1 4DWSA1 4EHSA1 4EUSA1 4EWSA1 4EYSA1 4EZSA1 4HESA1 4HFSA1 4HHSA1 4HNSA1 4HRSA1 4HSSA1 4HTSA1 4HWSA1 4HXSA1 4HZSA1 4JESA1 4JGSA1 4JHSA1 4JJSA1 4JLSA1 4JNSA1 4JPSA1 4JQSA1 4JRSA1 4JSSA1 4JTSA1 4JUSA1 4JWSA1 4JYSA1 4JZSA1 4LHSA1 4LLSA1 4LNSA1 4LPSA1 4LSSA1 4LTSA1 4LUSA1 4LWSA1 4LXSA1 4LYSA1 4LZSA1 4NASA1 4NDSA1 4NESA1 4NFSA1 4NGSA1 4NHSA1 4NJSA1 4NLSA1 4NNSA1 4NPSA1 4NQSA1 4NRSA1 4NSSA1 4NTSA1 4NWSA1 4PASA1 4PBSA1 4PDSA1 4PESA1 4PFSA1 4PNSA1 4PQSA1 4PSSA1 4PTSA1 4PYSA1 4PZSA1 4QASA1 4QFSA1 4QGSA1 4QHSA1 4QJSA1 4QLSA1 4QNSA1 4QPSA1 4QQSA1 4QRSA1 4QSSA1 4QTSA1 4QXSA1 4YA

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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