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, and which are new since 2020

Map of every postcode in the SA5 4 sector, by new since 2020 Of the 157 postcodes in the SA5 4 sector that ONS places, 2 are new since 2020 and 155 were in use before 2020. 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 4AA: before 2020SA5 4AB: before 2020SA5 4AD: before 2020SA5 4AE: before 2020SA5 4AF: before 2020SA5 4AG: before 2020SA5 4AH: before 2020SA5 4AJ: before 2020SA5 4AL: before 2020SA5 4AN: before 2020SA5 4AP: before 2020SA5 4AQ: before 2020SA5 4AR: before 2020SA5 4AS: before 2020SA5 4AT: before 2020SA5 4AU: before 2020SA5 4AW: before 2020SA5 4AX: before 2020SA5 4AY: before 2020SA5 4AZ: before 2020SA5 4BA: before 2020SA5 4BB: before 2020SA5 4BD: before 2020SA5 4BE: before 2020SA5 4BG: before 2020SA5 4BH: before 2020SA5 4BJ: before 2020SA5 4BL: before 2020SA5 4BN: before 2020SA5 4BP: before 2020SA5 4BR: before 2020SA5 4BT: before 2020SA5 4BU: before 2020SA5 4BW: before 2020SA5 4BX: before 2020SA5 4BY: before 2020SA5 4BZ: before 2020SA5 4DA: before 2020SA5 4DE: before 2020SA5 4DH: before 2020SA5 4DJ: before 2020SA5 4DL: before 2020SA5 4DT: before 2020SA5 4DY: before 2020SA5 4EB: before 2020SA5 4ED: before 2020SA5 4EE: before 2020SA5 4EP: before 2020SA5 4ES: before 2020SA5 4EX: before 2020SA5 4HA: before 2020SA5 4HB: before 2020SA5 4HF: before 2020SA5 4HH: before 2020SA5 4HJ: before 2020SA5 4HL: before 2020SA5 4HN: before 2020SA5 4HP: before 2020SA5 4HS: before 2020SA5 4HW: before 2020SA5 4JB: before 2020SA5 4LH: before 2020SA5 4LL: before 2020SA5 4NA: before 2020SA5 4NB: before 2020SA5 4ND: before 2020SA5 4NE: before 2020SA5 4NF: before 2020SA5 4NG: before 2020SA5 4NH: before 2020SA5 4NJ: before 2020SA5 4NL: before 2020SA5 4NN: before 2020SA5 4NP: before 2020SA5 4NQ: before 2020SA5 4NR: before 2020SA5 4NS: before 2020SA5 4NT: before 2020SA5 4NU: before 2020SA5 4NW: before 2020SA5 4NX: before 2020SA5 4NY: before 2020SA5 4NZ: before 2020SA5 4PA: before 2020SA5 4PB: before 2020SA5 4PD: before 2020SA5 4PE: before 2020SA5 4PG: before 2020SA5 4PH: before 2020SA5 4QA: before 2020SA5 4QB: before 2020SA5 4QD: before 2020SA5 4QE: before 2020SA5 4QF: before 2020SA5 4QG: before 2020SA5 4QH: before 2020SA5 4QL: before 2020SA5 4QN: before 2020SA5 4QP: before 2020SA5 4QQ: before 2020SA5 4QS: before 2020SA5 4QT: before 2020SA5 4QU: before 2020SA5 4QW: before 2020SA5 4QX: before 2020SA5 4QY: before 2020SA5 4QZ: before 2020SA5 4RA: before 2020SA5 4RB: before 2020SA5 4RD: before 2020SA5 4RE: before 2020SA5 4RF: before 2020SA5 4RG: before 2020SA5 4RH: before 2020SA5 4RJ: before 2020SA5 4RL: before 2020SA5 4RN: before 2020SA5 4RP: before 2020SA5 4RQ: before 2020SA5 4RR: before 2020SA5 4RS: before 2020SA5 4RU: before 2020SA5 4RY: before 2020SA5 4RZ: before 2020SA5 4SD: before 2020SA5 4SF: before 2020SA5 4SH: before 2020SA5 4SJ: before 2020SA5 4SL: before 2020SA5 4SN: before 2020SA5 4SP: before 2020SA5 4SQ: before 2020SA5 4SR: before 2020SA5 4SS: before 2020SA5 4ST: before 2020SA5 4SU: before 2020SA5 4SX: before 2020SA5 4SY: before 2020SA5 4TA: before 2020SA5 4TB: before 2020SA5 4TD: before 2020SA5 4TE: before 2020SA5 4TF: before 2020SA5 4TG: before 2020SA5 4TH: before 2020SA5 4TJ: before 2020SA5 4TL: before 2020SA5 4TN: before 2020SA5 4TP: before 2020SA5 4TQ: before 2020SA5 4TR: before 2020SA5 4TW: before 2020SA5 4BQ: new since 2020SA5 4DB: new since 2020 CockettWaunarlwydd Map of every postcode in the SA5 4 sector, by new since 2020 Of the 157 postcodes in the SA5 4 sector that ONS places, 2 are new since 2020 and 155 were in use before 2020. 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
  • New since 2020: 2
  • In use before 2020: 155

Of the 157 postcodes in the SA5 4 sector that ONS places, 2 are new since 2020 and 155 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 2 newest postcodes

SA5 4DBJuly 2023SA5 4BQApril 2020

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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