SA4 8 postcode sector in the SA4 district

SA4 8 is a sector of the SA4 district: every postcode that starts SA4 8. It has 172 postcodes in use, 5 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 SA4 8 sector, and which are new since 2020

Map of every postcode in the SA4 8 sector, by new since 2020 Of the 172 postcodes in the SA4 8 sector that ONS places, 2 are new since 2020 and 170 were in use before 2020. Places named: Gorseinon, Pontarddulais, Penllergaer, Llangennech, Hendy and Fforest. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A48A4138M4 SA4 8AB: before 2020SA4 8AD: before 2020SA4 8AE: before 2020SA4 8BA: before 2020SA4 8BH: before 2020SA4 8BL: before 2020SA4 8BW: before 2020SA4 8DA: before 2020SA4 8DB: before 2020SA4 8DD: before 2020SA4 8DH: before 2020SA4 8DJ: before 2020SA4 8DL: before 2020SA4 8DN: before 2020SA4 8DQ: before 2020SA4 8DR: before 2020SA4 8DS: before 2020SA4 8DU: before 2020SA4 8DX: before 2020SA4 8EA: before 2020SA4 8EB: before 2020SA4 8ED: before 2020SA4 8EE: before 2020SA4 8EF: before 2020SA4 8EG: before 2020SA4 8EH: before 2020SA4 8HH: before 2020SA4 8HJ: before 2020SA4 8HQ: before 2020SA4 8HR: before 2020SA4 8HS: before 2020SA4 8HT: before 2020SA4 8HU: before 2020SA4 8HX: before 2020SA4 8HY: before 2020SA4 8HZ: before 2020SA4 8JA: before 2020SA4 8JB: before 2020SA4 8JD: before 2020SA4 8JE: before 2020SA4 8JF: before 2020SA4 8JH: before 2020SA4 8JJ: before 2020SA4 8JL: before 2020SA4 8JN: before 2020SA4 8JP: before 2020SA4 8JQ: before 2020SA4 8JR: before 2020SA4 8JS: before 2020SA4 8JT: before 2020SA4 8JU: before 2020SA4 8JW: before 2020SA4 8JX: before 2020SA4 8JY: before 2020SA4 8JZ: before 2020SA4 8LA: before 2020SA4 8LD: before 2020SA4 8LE: before 2020SA4 8LF: before 2020SA4 8LG: before 2020SA4 8LH: before 2020SA4 8LL: before 2020SA4 8LN: before 2020SA4 8LQ: before 2020SA4 8LR: before 2020SA4 8LS: before 2020SA4 8LU: before 2020SA4 8LX: before 2020SA4 8LY: before 2020SA4 8LZ: before 2020SA4 8NA: before 2020SA4 8NB: before 2020SA4 8ND: before 2020SA4 8NF: before 2020SA4 8NG: before 2020SA4 8NH: before 2020SA4 8NJ: before 2020SA4 8NP: before 2020SA4 8NQ: before 2020SA4 8NR: before 2020SA4 8NS: before 2020SA4 8NT: before 2020SA4 8NU: before 2020SA4 8NW: before 2020SA4 8NZ: before 2020SA4 8PA: before 2020SA4 8PB: before 2020SA4 8PD: before 2020SA4 8PE: before 2020SA4 8PF: before 2020SA4 8PG: before 2020SA4 8PH: before 2020SA4 8PJ: before 2020SA4 8PL: before 2020SA4 8PP: before 2020SA4 8PR: before 2020SA4 8PS: before 2020SA4 8PT: before 2020SA4 8PU: before 2020SA4 8PW: before 2020SA4 8PX: before 2020SA4 8PY: before 2020SA4 8PZ: before 2020SA4 8QA: before 2020SA4 8QB: before 2020SA4 8QD: before 2020SA4 8QE: before 2020SA4 8QF: before 2020SA4 8QG: before 2020SA4 8QH: before 2020SA4 8QJ: before 2020SA4 8QN: before 2020SA4 8QP: before 2020SA4 8QQ: before 2020SA4 8QR: before 2020SA4 8QT: before 2020SA4 8QU: before 2020SA4 8QX: before 2020SA4 8RA: before 2020SA4 8RB: before 2020SA4 8RD: before 2020SA4 8RE: before 2020SA4 8RG: before 2020SA4 8RH: before 2020SA4 8RJ: before 2020SA4 8RL: before 2020SA4 8RN: before 2020SA4 8RP: before 2020SA4 8RR: before 2020SA4 8RS: before 2020SA4 8RT: before 2020SA4 8RU: before 2020SA4 8RW: before 2020SA4 8RX: before 2020SA4 8RY: before 2020SA4 8RZ: before 2020SA4 8SD: before 2020SA4 8SE: before 2020SA4 8SF: before 2020SA4 8SG: before 2020SA4 8SH: before 2020SA4 8SL: before 2020SA4 8SP: before 2020SA4 8SQ: before 2020SA4 8SR: before 2020SA4 8ST: before 2020SA4 8SY: before 2020SA4 8SZ: before 2020SA4 8TA: before 2020SA4 8TB: before 2020SA4 8TE: before 2020SA4 8TF: before 2020SA4 8TH: before 2020SA4 8TJ: before 2020SA4 8TQ: before 2020SA4 8WT: before 2020SA4 8AJ: new since 2020SA4 8SA: new since 2020 GorseinonPontarddulaisPenllergaerLlangennechHendy and Fforest Map of every postcode in the SA4 8 sector, by new since 2020 Of the 172 postcodes in the SA4 8 sector that ONS places, 2 are new since 2020 and 170 were in use before 2020. Places named: Gorseinon, Pontarddulais, Penllergaer. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A48M4A4138 GorseinonPontarddulaisPenllergaer
  • New since 2020: 2
  • In use before 2020: 170

Of the 172 postcodes in the SA4 8 sector that ONS places, 2 are new since 2020 and 170 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 2 newest postcodes

SA4 8AJFebruary 2023SA4 8SAFebruary 2021

What do homes sell for in SA4 8?

Homes in SA4 8 sold for a typical £192,500 in the 12 months to August 2026, across 79 sales, down 3.7% on the 12 months before, HM Land Registry's figures show.

£192,500 typical price, the 12 months to August 2026
£200,000 12 months to August 2025
▼ down 3.7% on the 12 months before
  • Detached £290,000 18 sales
  • Semi-detached £196,625 32 sales
  • Terraced £170,000 21 sales
  • Flat or maisonette £105,000 8 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 SA4 8. 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 SA4 8

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.

SA4 8ABSA4 8ADSA4 8AESA4 8AFSA4 8AGSA4 8AJSA4 8BASA4 8BHSA4 8BLSA4 8BWSA4 8DASA4 8DBSA4 8DDSA4 8DESA4 8DFSA4 8DHSA4 8DJSA4 8DLSA4 8DNSA4 8DQSA4 8DRSA4 8DSSA4 8DUSA4 8DXSA4 8EASA4 8EBSA4 8EDSA4 8EESA4 8EFSA4 8EGSA4 8EHSA4 8HHSA4 8HJSA4 8HQSA4 8HRSA4 8HSSA4 8HTSA4 8HUSA4 8HXSA4 8HYSA4 8HZSA4 8JASA4 8JBSA4 8JDSA4 8JESA4 8JFSA4 8JGSA4 8JHSA4 8JJSA4 8JLSA4 8JNSA4 8JPSA4 8JQSA4 8JRSA4 8JSSA4 8JTSA4 8JUSA4 8JWSA4 8JXSA4 8JYSA4 8JZSA4 8LASA4 8LDSA4 8LESA4 8LFSA4 8LGSA4 8LHSA4 8LLSA4 8LNSA4 8LPSA4 8LQSA4 8LRSA4 8LSSA4 8LTSA4 8LUSA4 8LWSA4 8LXSA4 8LYSA4 8LZSA4 8NASA4 8NBSA4 8NDSA4 8NESA4 8NFSA4 8NGSA4 8NHSA4 8NJSA4 8NPSA4 8NQSA4 8NRSA4 8NSSA4 8NTSA4 8NUSA4 8NWSA4 8NZSA4 8PASA4 8PBSA4 8PDSA4 8PESA4 8PFSA4 8PGSA4 8PHSA4 8PJSA4 8PLSA4 8PNSA4 8PPSA4 8PQSA4 8PRSA4 8PSSA4 8PTSA4 8PUSA4 8PWSA4 8PXSA4 8PYSA4 8PZSA4 8QASA4 8QBSA4 8QDSA4 8QESA4 8QFSA4 8QGSA4 8QHSA4 8QJSA4 8QNSA4 8QPSA4 8QQSA4 8QRSA4 8QTSA4 8QUSA4 8QXSA4 8RASA4 8RBSA4 8RDSA4 8RESA4 8RFSA4 8RGSA4 8RHSA4 8RJSA4 8RLSA4 8RNSA4 8RPSA4 8RRSA4 8RSSA4 8RTSA4 8RUSA4 8RWSA4 8RXSA4 8RYSA4 8RZSA4 8SASA4 8SDSA4 8SESA4 8SFSA4 8SGSA4 8SHSA4 8SLSA4 8SPSA4 8SQSA4 8SRSA4 8SSSA4 8STSA4 8SYSA4 8SZSA4 8TASA4 8TBSA4 8TESA4 8TFSA4 8THSA4 8TJSA4 8TLSA4 8TQSA4 8WT

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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