SA5 4 postcode sector in the SA5 district

SA5 4 is a sector of the SA5 district: every postcode that starts SA5 4. It has 157 postcodes in use, 7 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 SA5 4 sector, by gigabit broadband

Map of every postcode in the SA5 4 sector, by gigabit broadband Of the 157 postcodes in the SA5 4 sector that ONS places, 20 have no home or business that can get gigabit, 23 have some that can, 112 can all get it and 2 have no Ofcom figure. 2 postcodes lie beyond the edge and are listed under the map. Places named: Cockett, Waunarlwydd. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A484A483 SA5 4AD: gigabit for allSA5 4AF: gigabit for allSA5 4AG: gigabit for allSA5 4AJ: gigabit for allSA5 4AL: gigabit for allSA5 4AN: gigabit for allSA5 4AP: gigabit for allSA5 4AQ: gigabit for allSA5 4AR: gigabit for allSA5 4AS: gigabit for allSA5 4AT: gigabit for allSA5 4AU: gigabit for allSA5 4AW: gigabit for allSA5 4AX: gigabit for allSA5 4AY: gigabit for allSA5 4AZ: gigabit for allSA5 4BD: gigabit for allSA5 4BG: gigabit for allSA5 4BH: gigabit for allSA5 4BJ: gigabit for allSA5 4BL: gigabit for allSA5 4BN: gigabit for allSA5 4BP: gigabit for allSA5 4BQ: gigabit for allSA5 4BR: gigabit for allSA5 4BU: gigabit for allSA5 4DA: gigabit for allSA5 4DE: gigabit for allSA5 4ES: gigabit for allSA5 4EX: gigabit for allSA5 4HA: gigabit for allSA5 4HB: gigabit for allSA5 4HF: gigabit for allSA5 4HL: gigabit for allSA5 4HN: gigabit for allSA5 4HP: gigabit for allSA5 4HS: gigabit for allSA5 4HW: gigabit for allSA5 4NA: gigabit for allSA5 4ND: gigabit for allSA5 4NF: gigabit for allSA5 4NG: gigabit for allSA5 4NH: gigabit for allSA5 4NJ: gigabit for allSA5 4NN: gigabit for allSA5 4NP: gigabit for allSA5 4NR: gigabit for allSA5 4NS: gigabit for allSA5 4NT: gigabit for allSA5 4NU: gigabit for allSA5 4NW: gigabit for allSA5 4NX: gigabit for allSA5 4NY: gigabit for allSA5 4NZ: gigabit for allSA5 4PB: gigabit for allSA5 4PG: gigabit for allSA5 4PH: gigabit for allSA5 4QB: gigabit for allSA5 4QD: gigabit for allSA5 4QE: gigabit for allSA5 4QF: gigabit for allSA5 4QG: gigabit for allSA5 4QL: gigabit for allSA5 4QN: gigabit for allSA5 4QP: gigabit for allSA5 4QQ: gigabit for allSA5 4QS: gigabit for allSA5 4QT: gigabit for allSA5 4QU: gigabit for allSA5 4QW: gigabit for allSA5 4QZ: gigabit for allSA5 4RA: gigabit for allSA5 4RB: gigabit for allSA5 4RD: gigabit for allSA5 4RE: gigabit for allSA5 4RF: gigabit for allSA5 4RG: gigabit for allSA5 4RH: gigabit for allSA5 4RJ: gigabit for allSA5 4RL: gigabit for allSA5 4RQ: gigabit for allSA5 4RS: gigabit for allSA5 4RU: gigabit for allSA5 4RY: gigabit for allSA5 4RZ: gigabit for allSA5 4SD: gigabit for allSA5 4SH: gigabit for allSA5 4SJ: gigabit for allSA5 4SL: gigabit for allSA5 4SN: gigabit for allSA5 4SQ: gigabit for allSA5 4SR: gigabit for allSA5 4SS: gigabit for allSA5 4ST: gigabit for allSA5 4SU: gigabit for allSA5 4SX: gigabit for allSA5 4SY: gigabit for allSA5 4TA: gigabit for allSA5 4TB: gigabit for allSA5 4TD: gigabit for allSA5 4TE: gigabit for allSA5 4TF: gigabit for allSA5 4TG: gigabit for allSA5 4TH: gigabit for allSA5 4TJ: gigabit for allSA5 4TL: gigabit for allSA5 4TN: gigabit for allSA5 4TP: gigabit for allSA5 4TQ: gigabit for allSA5 4TR: gigabit for allSA5 4TW: gigabit for allSA5 4AA: some gigabitSA5 4AB: some gigabitSA5 4AE: some gigabitSA5 4BA: some gigabitSA5 4BB: some gigabitSA5 4BT: some gigabitSA5 4BW: some gigabitSA5 4BX: some gigabitSA5 4BY: some gigabitSA5 4BZ: some gigabitSA5 4DJ: some gigabitSA5 4DL: some gigabitSA5 4DY: some gigabitSA5 4EE: some gigabitSA5 4HH: some gigabitSA5 4HJ: some gigabitSA5 4NB: some gigabitSA5 4PA: some gigabitSA5 4QA: some gigabitSA5 4QH: some gigabitSA5 4QX: some gigabitSA5 4QY: some gigabitSA5 4SP: some gigabitSA5 4AH: no gigabitSA5 4BE: no gigabitSA5 4DB: no gigabitSA5 4DH: no gigabitSA5 4DT: no gigabitSA5 4EB: no gigabitSA5 4ED: no gigabitSA5 4EP: no gigabitSA5 4JB: no gigabitSA5 4LH: no gigabitSA5 4LL: no gigabitSA5 4NE: no gigabitSA5 4NL: no gigabitSA5 4NQ: no gigabitSA5 4PD: no gigabitSA5 4PE: no gigabitSA5 4RN: no gigabitSA5 4RP: no gigabitSA5 4RR: no gigabitSA5 4SF: no gigabit CockettWaunarlwydd Map of every postcode in the SA5 4 sector, by gigabit broadband Of the 157 postcodes in the SA5 4 sector that ONS places, 20 have no home or business that can get gigabit, 23 have some that can, 112 can all get it and 2 have no Ofcom figure. 2 postcodes lie beyond the edge and are listed under the map. Places named: Cockett, Waunarlwydd. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A484 CockettWaunarlwydd
  • No home or business can get gigabit: 20
  • Some can get gigabit: 23
  • Every home and business can get gigabit: 112
  • Ofcom gives no figure: 2

Of the 157 postcodes in the SA5 4 sector that ONS places, 20 have no home or business that can get gigabit, 23 have some that can, 112 can all get it and 2 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

20 postcodes here have no gigabit. These are the 12 first in postcode order.

SA5 4AHSA5 4BESA5 4DBSA5 4DHSA5 4DTSA5 4EBSA5 4EDSA5 4EPSA5 4JBSA5 4LHSA5 4LLSA5 4NE

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

SA5 4RTSA5 4YG

What do homes sell for in SA5 4?

Homes in SA5 4 sold for a typical £210,000 in the 12 months to August 2026, across 40 sales, up 16.7% on the 12 months before, HM Land Registry's figures show.

£210,000 typical price, the 12 months to August 2026
£180,000 12 months to August 2025
▲ up 16.7% on the 12 months before
  • Detached £272,500 16 sales
  • Semi-detached £210,000 12 sales
  • Terraced £145,750 12 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 SA5 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 SA5 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.

SA5 4AASA5 4ABSA5 4ADSA5 4AESA5 4AFSA5 4AGSA5 4AHSA5 4AJSA5 4ALSA5 4ANSA5 4APSA5 4AQSA5 4ARSA5 4ASSA5 4ATSA5 4AUSA5 4AWSA5 4AXSA5 4AYSA5 4AZSA5 4BASA5 4BBSA5 4BDSA5 4BESA5 4BGSA5 4BHSA5 4BJSA5 4BLSA5 4BNSA5 4BPSA5 4BQSA5 4BRSA5 4BTSA5 4BUSA5 4BWSA5 4BXSA5 4BYSA5 4BZSA5 4DASA5 4DBSA5 4DESA5 4DHSA5 4DJSA5 4DLSA5 4DTSA5 4DYSA5 4EBSA5 4EDSA5 4EESA5 4EPSA5 4ESSA5 4EXSA5 4HASA5 4HBSA5 4HFSA5 4HHSA5 4HJSA5 4HLSA5 4HNSA5 4HPSA5 4HSSA5 4HWSA5 4JBSA5 4LHSA5 4LLSA5 4NASA5 4NBSA5 4NDSA5 4NESA5 4NFSA5 4NGSA5 4NHSA5 4NJSA5 4NLSA5 4NNSA5 4NPSA5 4NQSA5 4NRSA5 4NSSA5 4NTSA5 4NUSA5 4NWSA5 4NXSA5 4NYSA5 4NZSA5 4PASA5 4PBSA5 4PDSA5 4PESA5 4PGSA5 4PHSA5 4QASA5 4QBSA5 4QDSA5 4QESA5 4QFSA5 4QGSA5 4QHSA5 4QLSA5 4QNSA5 4QPSA5 4QQSA5 4QRSA5 4QSSA5 4QTSA5 4QUSA5 4QWSA5 4QXSA5 4QYSA5 4QZSA5 4RASA5 4RBSA5 4RDSA5 4RESA5 4RFSA5 4RGSA5 4RHSA5 4RJSA5 4RLSA5 4RNSA5 4RPSA5 4RQSA5 4RRSA5 4RSSA5 4RTSA5 4RUSA5 4RYSA5 4RZSA5 4SDSA5 4SFSA5 4SHSA5 4SJSA5 4SLSA5 4SNSA5 4SPSA5 4SQSA5 4SRSA5 4SSSA5 4STSA5 4SUSA5 4SXSA5 4SYSA5 4TASA5 4TBSA5 4TDSA5 4TESA5 4TFSA5 4TGSA5 4THSA5 4TJSA5 4TLSA5 4TNSA5 4TPSA5 4TQSA5 4TRSA5 4TWSA5 4YG

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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