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, by gigabit broadband

Map of every postcode in the SA1 4 sector, by gigabit broadband Of the 108 postcodes in the SA1 4 sector that ONS places, 6 have no home or business that can get gigabit, 16 have some that can, 77 can all get it and 9 have no Ofcom figure. 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 4AE: gigabit for allSA1 4AF: gigabit for allSA1 4AG: gigabit for allSA1 4AN: gigabit for allSA1 4AW: gigabit for allSA1 4AY: gigabit for allSA1 4AZ: gigabit for allSA1 4BB: gigabit for allSA1 4BD: gigabit for allSA1 4BE: gigabit for allSA1 4BG: gigabit for allSA1 4BL: gigabit for allSA1 4BQ: gigabit for allSA1 4DH: gigabit for allSA1 4EU: gigabit for allSA1 4EW: gigabit for allSA1 4EY: gigabit for allSA1 4HE: gigabit for allSA1 4HF: gigabit for allSA1 4HH: gigabit for allSA1 4HN: gigabit for allSA1 4HR: gigabit for allSA1 4HS: gigabit for allSA1 4HW: gigabit for allSA1 4HX: gigabit for allSA1 4HZ: gigabit for allSA1 4JE: gigabit for allSA1 4JG: gigabit for allSA1 4JH: gigabit for allSA1 4JJ: gigabit for allSA1 4JL: gigabit for allSA1 4JN: gigabit for allSA1 4JP: gigabit for allSA1 4JQ: gigabit for allSA1 4JR: gigabit for allSA1 4JS: gigabit for allSA1 4JT: gigabit for allSA1 4JU: gigabit for allSA1 4JW: gigabit for allSA1 4JY: gigabit for allSA1 4JZ: gigabit for allSA1 4LL: gigabit for allSA1 4LN: gigabit for allSA1 4LP: gigabit for allSA1 4LS: gigabit for allSA1 4LT: gigabit for allSA1 4LU: gigabit for allSA1 4LW: gigabit for allSA1 4LX: gigabit for allSA1 4LY: gigabit for allSA1 4LZ: gigabit for allSA1 4NA: gigabit for allSA1 4ND: gigabit for allSA1 4NE: gigabit for allSA1 4NF: gigabit for allSA1 4NG: gigabit for allSA1 4NH: gigabit for allSA1 4NP: gigabit for allSA1 4NQ: gigabit for allSA1 4NT: gigabit for allSA1 4NW: gigabit for allSA1 4PQ: gigabit for allSA1 4PT: gigabit for allSA1 4QA: gigabit for allSA1 4QG: gigabit for allSA1 4QH: gigabit for allSA1 4QJ: gigabit for allSA1 4QL: gigabit for allSA1 4QN: gigabit for allSA1 4QP: gigabit for allSA1 4QQ: gigabit for allSA1 4QS: gigabit for allSA1 4QT: gigabit for allSA1 4QX: gigabit for allSA1 4AB: some gigabitSA1 4AP: some gigabitSA1 4AQ: some gigabitSA1 4DE: some gigabitSA1 4DF: some gigabitSA1 4DG: some gigabitSA1 4DQ: some gigabitSA1 4EH: some gigabitSA1 4EZ: some gigabitSA1 4HT: some gigabitSA1 4LH: some gigabitSA1 4NN: some gigabitSA1 4PS: some gigabitSA1 4QF: some gigabitSA1 4QR: some gigabitSA1 4AJ: no gigabitSA1 4DJ: no gigabitSA1 4DR: no gigabitSA1 4PF: no gigabitSA1 4PD: no gigabitSA1 4PZ: no gigabit UplandsCastle Map of every postcode in the SA1 4 sector, by gigabit broadband Of the 108 postcodes in the SA1 4 sector that ONS places, 6 have no home or business that can get gigabit, 16 have some that can, 77 can all get it and 9 have no Ofcom figure. 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
  • No home or business can get gigabit: 6
  • Some can get gigabit: 16
  • Every home and business can get gigabit: 77
  • Ofcom gives no figure: 9

Of the 108 postcodes in the SA1 4 sector that ONS places, 6 have no home or business that can get gigabit, 16 have some that can, 77 can all get it and 9 have no Ofcom figure.

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. 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; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

SA1 4AJSA1 4DJSA1 4DRSA1 4PDSA1 4PFSA1 4PZ

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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