SA15 3 postcode sector in the SA15 district

SA15 3 is a sector of the SA15 district: every postcode that starts SA15 3. It has 216 postcodes in use, 16 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 SA15 3 sector, and which are new since 2020

Map of every postcode in the SA15 3 sector, by new since 2020 Of the 216 postcodes in the SA15 3 sector that ONS places, 1 are new since 2020 and 215 were in use before 2020. Places named: Llanelli. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A484A476 SA15 3AA: before 2020SA15 3AB: before 2020SA15 3AD: before 2020SA15 3AE: before 2020SA15 3AF: before 2020SA15 3AH: before 2020SA15 3AJ: before 2020SA15 3AL: before 2020SA15 3AP: before 2020SA15 3AQ: before 2020SA15 3AR: before 2020SA15 3AS: before 2020SA15 3AX: before 2020SA15 3AZ: before 2020SA15 3BB: before 2020SA15 3BD: before 2020SA15 3BG: before 2020SA15 3BH: before 2020SA15 3BJ: before 2020SA15 3BL: before 2020SA15 3BP: before 2020SA15 3BQ: before 2020SA15 3BR: before 2020SA15 3BS: before 2020SA15 3BT: before 2020SA15 3BW: before 2020SA15 3BZ: before 2020SA15 3DA: before 2020SA15 3DB: before 2020SA15 3DD: before 2020SA15 3DE: before 2020SA15 3DF: before 2020SA15 3DG: before 2020SA15 3DH: before 2020SA15 3DJ: before 2020SA15 3DL: before 2020SA15 3DN: before 2020SA15 3DP: before 2020SA15 3DQ: before 2020SA15 3DR: before 2020SA15 3DS: before 2020SA15 3DT: before 2020SA15 3DU: before 2020SA15 3DW: before 2020SA15 3DY: before 2020SA15 3DZ: before 2020SA15 3EA: before 2020SA15 3EB: before 2020SA15 3ED: before 2020SA15 3EE: before 2020SA15 3EF: before 2020SA15 3EG: before 2020SA15 3EH: before 2020SA15 3EJ: before 2020SA15 3EL: before 2020SA15 3EN: before 2020SA15 3EP: before 2020SA15 3EQ: before 2020SA15 3ER: before 2020SA15 3ES: before 2020SA15 3ET: before 2020SA15 3EU: before 2020SA15 3EW: before 2020SA15 3EX: before 2020SA15 3EY: before 2020SA15 3EZ: before 2020SA15 3FD: before 2020SA15 3GA: before 2020SA15 3HA: before 2020SA15 3HB: before 2020SA15 3HD: before 2020SA15 3HF: before 2020SA15 3HN: before 2020SA15 3HP: before 2020SA15 3HQ: before 2020SA15 3HR: before 2020SA15 3HS: before 2020SA15 3HT: before 2020SA15 3HU: before 2020SA15 3HW: before 2020SA15 3HY: before 2020SA15 3JA: before 2020SA15 3JB: before 2020SA15 3JE: before 2020SA15 3JF: before 2020SA15 3JG: before 2020SA15 3JH: before 2020SA15 3JJ: before 2020SA15 3JL: before 2020SA15 3JN: before 2020SA15 3JP: before 2020SA15 3JQ: before 2020SA15 3JR: before 2020SA15 3JS: before 2020SA15 3JT: before 2020SA15 3JU: before 2020SA15 3JW: before 2020SA15 3JX: before 2020SA15 3JY: before 2020SA15 3JZ: before 2020SA15 3LA: before 2020SA15 3LB: before 2020SA15 3LD: before 2020SA15 3LE: before 2020SA15 3LF: before 2020SA15 3LG: before 2020SA15 3LH: before 2020SA15 3LJ: before 2020SA15 3LL: before 2020SA15 3LN: before 2020SA15 3LP: before 2020SA15 3LQ: before 2020SA15 3LR: before 2020SA15 3LS: before 2020SA15 3LT: before 2020SA15 3LU: before 2020SA15 3LW: before 2020SA15 3LY: before 2020SA15 3NA: before 2020SA15 3NB: before 2020SA15 3ND: before 2020SA15 3NE: before 2020SA15 3NF: before 2020SA15 3NG: before 2020SA15 3NH: before 2020SA15 3NJ: before 2020SA15 3NL: before 2020SA15 3NN: before 2020SA15 3NP: before 2020SA15 3NQ: before 2020SA15 3NR: before 2020SA15 3NS: before 2020SA15 3NT: before 2020SA15 3NU: before 2020SA15 3NW: before 2020SA15 3NX: before 2020SA15 3NY: before 2020SA15 3NZ: before 2020SA15 3PA: before 2020SA15 3PB: before 2020SA15 3PD: before 2020SA15 3PE: before 2020SA15 3PF: before 2020SA15 3PG: before 2020SA15 3PH: before 2020SA15 3PJ: before 2020SA15 3PL: before 2020SA15 3PQ: before 2020SA15 3PS: before 2020SA15 3PT: before 2020SA15 3PU: before 2020SA15 3PW: before 2020SA15 3PX: before 2020SA15 3PY: before 2020SA15 3PZ: before 2020SA15 3QA: before 2020SA15 3QB: before 2020SA15 3QD: before 2020SA15 3QF: before 2020SA15 3QQ: before 2020SA15 3RA: before 2020SA15 3RB: before 2020SA15 3RD: before 2020SA15 3RE: before 2020SA15 3RF: before 2020SA15 3RG: before 2020SA15 3RH: before 2020SA15 3RL: before 2020SA15 3RN: before 2020SA15 3RP: before 2020SA15 3RR: before 2020SA15 3RS: before 2020SA15 3RT: before 2020SA15 3RU: before 2020SA15 3RW: before 2020SA15 3RY: before 2020SA15 3SA: before 2020SA15 3SB: before 2020SA15 3SD: before 2020SA15 3SE: before 2020SA15 3SG: before 2020SA15 3SL: before 2020SA15 3SN: before 2020SA15 3SP: before 2020SA15 3SR: before 2020SA15 3SS: before 2020SA15 3ST: before 2020SA15 3SU: before 2020SA15 3SW: before 2020SA15 3SY: before 2020SA15 3TA: before 2020SA15 3TB: before 2020SA15 3TE: before 2020SA15 3TF: before 2020SA15 3TG: before 2020SA15 3TN: before 2020SA15 3TR: before 2020SA15 3TW: before 2020SA15 3TY: before 2020SA15 3UF: before 2020SA15 3UP: before 2020SA15 3UR: before 2020SA15 3US: before 2020SA15 3UT: before 2020SA15 3UX: before 2020SA15 3YA: before 2020SA15 3YB: before 2020SA15 3YD: before 2020SA15 3YE: before 2020SA15 3YF: before 2020SA15 3YL: before 2020SA15 3YP: before 2020SA15 3YT: before 2020SA15 3YW: before 2020SA15 3QG: new since 2020 Llanelli Map of every postcode in the SA15 3 sector, by new since 2020 Of the 216 postcodes in the SA15 3 sector that ONS places, 1 are new since 2020 and 215 were in use before 2020. Places named: Llanelli. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Llanelli
  • New since 2020: 1
  • In use before 2020: 215

Of the 216 postcodes in the SA15 3 sector that ONS places, 1 are new since 2020 and 215 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 newest postcode

SA15 3QGAugust 2021

What do homes sell for in SA15 3?

Homes in SA15 3 sold for a typical £165,000 in the 12 months to August 2026, across 77 sales, down 2.1% on the 12 months before, HM Land Registry's figures show.

£165,000 typical price, the 12 months to August 2026
£168,500 12 months to August 2025
▼ down 2.1% on the 12 months before
  • Detached £465,000 5 sales
  • Semi-detached £180,000 33 sales
  • Terraced £140,000 35 sales
  • Flat or maisonette 4 sales, too few to price

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 SA15 3. 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 SA15 3

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.

SA15 3AASA15 3ABSA15 3ADSA15 3AESA15 3AFSA15 3AHSA15 3AJSA15 3ALSA15 3APSA15 3AQSA15 3ARSA15 3ASSA15 3AWSA15 3AXSA15 3AZSA15 3BBSA15 3BDSA15 3BGSA15 3BHSA15 3BJSA15 3BLSA15 3BPSA15 3BQSA15 3BRSA15 3BSSA15 3BTSA15 3BWSA15 3BZSA15 3DASA15 3DBSA15 3DDSA15 3DESA15 3DFSA15 3DGSA15 3DHSA15 3DJSA15 3DLSA15 3DNSA15 3DPSA15 3DQSA15 3DRSA15 3DSSA15 3DTSA15 3DUSA15 3DWSA15 3DYSA15 3DZSA15 3EASA15 3EBSA15 3EDSA15 3EESA15 3EFSA15 3EGSA15 3EHSA15 3EJSA15 3ELSA15 3ENSA15 3EPSA15 3EQSA15 3ERSA15 3ESSA15 3ETSA15 3EUSA15 3EWSA15 3EXSA15 3EYSA15 3EZSA15 3FDSA15 3GASA15 3HASA15 3HBSA15 3HDSA15 3HFSA15 3HNSA15 3HPSA15 3HQSA15 3HRSA15 3HSSA15 3HTSA15 3HUSA15 3HWSA15 3HYSA15 3JASA15 3JBSA15 3JESA15 3JFSA15 3JGSA15 3JHSA15 3JJSA15 3JLSA15 3JNSA15 3JPSA15 3JQSA15 3JRSA15 3JSSA15 3JTSA15 3JUSA15 3JWSA15 3JXSA15 3JYSA15 3JZSA15 3LASA15 3LBSA15 3LDSA15 3LESA15 3LFSA15 3LGSA15 3LHSA15 3LJSA15 3LLSA15 3LNSA15 3LPSA15 3LQSA15 3LRSA15 3LSSA15 3LTSA15 3LUSA15 3LWSA15 3LYSA15 3NASA15 3NBSA15 3NDSA15 3NESA15 3NFSA15 3NGSA15 3NHSA15 3NJSA15 3NLSA15 3NNSA15 3NPSA15 3NQSA15 3NRSA15 3NSSA15 3NTSA15 3NUSA15 3NWSA15 3NXSA15 3NYSA15 3NZSA15 3PASA15 3PBSA15 3PDSA15 3PESA15 3PFSA15 3PGSA15 3PHSA15 3PJSA15 3PLSA15 3PQSA15 3PSSA15 3PTSA15 3PUSA15 3PWSA15 3PXSA15 3PYSA15 3PZSA15 3QASA15 3QBSA15 3QDSA15 3QFSA15 3QGSA15 3QQSA15 3RASA15 3RBSA15 3RDSA15 3RESA15 3RFSA15 3RGSA15 3RHSA15 3RLSA15 3RNSA15 3RPSA15 3RRSA15 3RSSA15 3RTSA15 3RUSA15 3RWSA15 3RYSA15 3SASA15 3SBSA15 3SDSA15 3SESA15 3SGSA15 3SLSA15 3SNSA15 3SPSA15 3SRSA15 3SSSA15 3STSA15 3SUSA15 3SWSA15 3SYSA15 3TASA15 3TBSA15 3TESA15 3TFSA15 3TGSA15 3TNSA15 3TRSA15 3TWSA15 3TYSA15 3UFSA15 3UPSA15 3URSA15 3USSA15 3UTSA15 3UXSA15 3YASA15 3YBSA15 3YDSA15 3YESA15 3YFSA15 3YLSA15 3YPSA15 3YTSA15 3YW

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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