CF23 5 postcode sector in the CF23 district

CF23 5 is a sector of the CF23 district: every postcode that starts CF23 5. It has 215 postcodes in use, 6 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 CF23 5 sector, and which are new since 2020

Map of every postcode in the CF23 5 sector, by new since 2020 Of the 215 postcodes in the CF23 5 sector that ONS places, 215 were in use before 2020. Places named: Cardiff. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A48 CF23 5AA: before 2020CF23 5AB: before 2020CF23 5AD: before 2020CF23 5AE: before 2020CF23 5AF: before 2020CF23 5AG: before 2020CF23 5AH: before 2020CF23 5AJ: before 2020CF23 5AL: before 2020CF23 5AN: before 2020CF23 5AP: before 2020CF23 5AQ: before 2020CF23 5AR: before 2020CF23 5AS: before 2020CF23 5AT: before 2020CF23 5AU: before 2020CF23 5AW: before 2020CF23 5AX: before 2020CF23 5AY: before 2020CF23 5AZ: before 2020CF23 5BA: before 2020CF23 5BB: before 2020CF23 5BD: before 2020CF23 5BE: before 2020CF23 5BF: before 2020CF23 5BG: before 2020CF23 5BH: before 2020CF23 5BJ: before 2020CF23 5BL: before 2020CF23 5BN: before 2020CF23 5BP: before 2020CF23 5BQ: before 2020CF23 5BR: before 2020CF23 5BS: before 2020CF23 5BT: before 2020CF23 5BU: before 2020CF23 5BW: before 2020CF23 5BX: before 2020CF23 5BY: before 2020CF23 5BZ: before 2020CF23 5DA: before 2020CF23 5DD: before 2020CF23 5DE: before 2020CF23 5DF: before 2020CF23 5DG: before 2020CF23 5DH: before 2020CF23 5DJ: before 2020CF23 5DL: before 2020CF23 5DN: before 2020CF23 5DP: before 2020CF23 5DQ: before 2020CF23 5DR: before 2020CF23 5DS: before 2020CF23 5DT: before 2020CF23 5DU: before 2020CF23 5DW: before 2020CF23 5DX: before 2020CF23 5DY: before 2020CF23 5DZ: before 2020CF23 5EA: before 2020CF23 5EB: before 2020CF23 5ED: before 2020CF23 5EE: before 2020CF23 5EF: before 2020CF23 5EG: before 2020CF23 5EH: before 2020CF23 5EJ: before 2020CF23 5EL: before 2020CF23 5EN: before 2020CF23 5EP: before 2020CF23 5EQ: before 2020CF23 5ER: before 2020CF23 5ES: before 2020CF23 5ET: before 2020CF23 5EU: before 2020CF23 5EW: before 2020CF23 5EX: before 2020CF23 5EZ: before 2020CF23 5FA: before 2020CF23 5FB: before 2020CF23 5GA: before 2020CF23 5HA: before 2020CF23 5HB: before 2020CF23 5HD: before 2020CF23 5HE: before 2020CF23 5HF: before 2020CF23 5HG: before 2020CF23 5HH: before 2020CF23 5HJ: before 2020CF23 5HL: before 2020CF23 5HN: before 2020CF23 5HP: before 2020CF23 5HQ: before 2020CF23 5HR: before 2020CF23 5HS: before 2020CF23 5HT: before 2020CF23 5HU: before 2020CF23 5HW: before 2020CF23 5HX: before 2020CF23 5HY: before 2020CF23 5HZ: before 2020CF23 5JA: before 2020CF23 5JB: before 2020CF23 5JD: before 2020CF23 5JE: before 2020CF23 5JF: before 2020CF23 5JG: before 2020CF23 5JH: before 2020CF23 5JJ: before 2020CF23 5JL: before 2020CF23 5JN: before 2020CF23 5JP: before 2020CF23 5JQ: before 2020CF23 5JR: before 2020CF23 5JS: before 2020CF23 5JT: before 2020CF23 5JU: before 2020CF23 5JW: before 2020CF23 5JX: before 2020CF23 5JY: before 2020CF23 5JZ: before 2020CF23 5LA: before 2020CF23 5LB: before 2020CF23 5LD: before 2020CF23 5LE: before 2020CF23 5LF: before 2020CF23 5LG: before 2020CF23 5LH: before 2020CF23 5LJ: before 2020CF23 5LL: before 2020CF23 5LN: before 2020CF23 5LP: before 2020CF23 5LQ: before 2020CF23 5LR: before 2020CF23 5LS: before 2020CF23 5LT: before 2020CF23 5LU: before 2020CF23 5LW: before 2020CF23 5LX: before 2020CF23 5LY: before 2020CF23 5LZ: before 2020CF23 5NA: before 2020CF23 5NB: before 2020CF23 5ND: before 2020CF23 5NE: before 2020CF23 5NF: before 2020CF23 5NG: before 2020CF23 5NJ: before 2020CF23 5NN: before 2020CF23 5NP: before 2020CF23 5NQ: before 2020CF23 5NR: before 2020CF23 5NS: before 2020CF23 5NT: before 2020CF23 5NU: before 2020CF23 5NW: before 2020CF23 5NX: before 2020CF23 5NY: before 2020CF23 5NZ: before 2020CF23 5PA: before 2020CF23 5PB: before 2020CF23 5PD: before 2020CF23 5PG: before 2020CF23 5PH: before 2020CF23 5PJ: before 2020CF23 5PL: before 2020CF23 5PN: before 2020CF23 5PP: before 2020CF23 5PQ: before 2020CF23 5PR: before 2020CF23 5PS: before 2020CF23 5PT: before 2020CF23 5PU: before 2020CF23 5PW: before 2020CF23 5PX: before 2020CF23 5QA: before 2020CF23 5QB: before 2020CF23 5QD: before 2020CF23 5QE: before 2020CF23 5QF: before 2020CF23 5QG: before 2020CF23 5QH: before 2020CF23 5QJ: before 2020CF23 5QL: before 2020CF23 5QN: before 2020CF23 5QP: before 2020CF23 5QQ: before 2020CF23 5QR: before 2020CF23 5QS: before 2020CF23 5QT: before 2020CF23 5QU: before 2020CF23 5QW: before 2020CF23 5QX: before 2020CF23 5QY: before 2020CF23 5QZ: before 2020CF23 5RA: before 2020CF23 5RB: before 2020CF23 5RD: before 2020CF23 5RE: before 2020CF23 5RH: before 2020CF23 5SA: before 2020CF23 5SB: before 2020CF23 5SD: before 2020CF23 5SE: before 2020CF23 5SG: before 2020CF23 5SH: before 2020CF23 5SJ: before 2020CF23 5SL: before 2020CF23 5SY: before 2020CF23 5WS: before 2020CF23 5YA: before 2020CF23 5YB: before 2020CF23 5YG: before 2020 Cardiff Map of every postcode in the CF23 5 sector, by new since 2020 Of the 215 postcodes in the CF23 5 sector that ONS places, 215 were in use before 2020. Places named: Penylan, Cyncoed. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. PenylanCyncoed
  • New since 2020: 0
  • In use before 2020: 215

Of the 215 postcodes in the CF23 5 sector that ONS places, 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. 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

What do homes sell for in CF23 5?

Homes in CF23 5 sold for a typical £445,000 in the 12 months to August 2026, across 102 sales, down 2.9% on the 12 months before, HM Land Registry's figures show.

£445,000 typical price, the 12 months to August 2026
£458,500 12 months to August 2025
▼ down 2.9% on the 12 months before
  • Detached £595,000 11 sales
  • Semi-detached £516,000 21 sales
  • Terraced £480,000 35 sales
  • Flat or maisonette £210,000 35 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 CF23 5. 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 CF23 5

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.

CF23 5AACF23 5ABCF23 5ADCF23 5AECF23 5AFCF23 5AGCF23 5AHCF23 5AJCF23 5ALCF23 5ANCF23 5APCF23 5AQCF23 5ARCF23 5ASCF23 5ATCF23 5AUCF23 5AWCF23 5AXCF23 5AYCF23 5AZCF23 5BACF23 5BBCF23 5BDCF23 5BECF23 5BFCF23 5BGCF23 5BHCF23 5BJCF23 5BLCF23 5BNCF23 5BPCF23 5BQCF23 5BRCF23 5BSCF23 5BTCF23 5BUCF23 5BWCF23 5BXCF23 5BYCF23 5BZCF23 5DACF23 5DDCF23 5DECF23 5DFCF23 5DGCF23 5DHCF23 5DJCF23 5DLCF23 5DNCF23 5DPCF23 5DQCF23 5DRCF23 5DSCF23 5DTCF23 5DUCF23 5DWCF23 5DXCF23 5DYCF23 5DZCF23 5EACF23 5EBCF23 5EDCF23 5EECF23 5EFCF23 5EGCF23 5EHCF23 5EJCF23 5ELCF23 5ENCF23 5EPCF23 5EQCF23 5ERCF23 5ESCF23 5ETCF23 5EUCF23 5EWCF23 5EXCF23 5EZCF23 5FACF23 5FBCF23 5GACF23 5HACF23 5HBCF23 5HDCF23 5HECF23 5HFCF23 5HGCF23 5HHCF23 5HJCF23 5HLCF23 5HNCF23 5HPCF23 5HQCF23 5HRCF23 5HSCF23 5HTCF23 5HUCF23 5HWCF23 5HXCF23 5HYCF23 5HZCF23 5JACF23 5JBCF23 5JDCF23 5JECF23 5JFCF23 5JGCF23 5JHCF23 5JJCF23 5JLCF23 5JNCF23 5JPCF23 5JQCF23 5JRCF23 5JSCF23 5JTCF23 5JUCF23 5JWCF23 5JXCF23 5JYCF23 5JZCF23 5LACF23 5LBCF23 5LDCF23 5LECF23 5LFCF23 5LGCF23 5LHCF23 5LJCF23 5LLCF23 5LNCF23 5LPCF23 5LQCF23 5LRCF23 5LSCF23 5LTCF23 5LUCF23 5LWCF23 5LXCF23 5LYCF23 5LZCF23 5NACF23 5NBCF23 5NDCF23 5NECF23 5NFCF23 5NGCF23 5NJCF23 5NNCF23 5NPCF23 5NQCF23 5NRCF23 5NSCF23 5NTCF23 5NUCF23 5NWCF23 5NXCF23 5NYCF23 5NZCF23 5PACF23 5PBCF23 5PDCF23 5PGCF23 5PHCF23 5PJCF23 5PLCF23 5PNCF23 5PPCF23 5PQCF23 5PRCF23 5PSCF23 5PTCF23 5PUCF23 5PWCF23 5PXCF23 5QACF23 5QBCF23 5QDCF23 5QECF23 5QFCF23 5QGCF23 5QHCF23 5QJCF23 5QLCF23 5QNCF23 5QPCF23 5QQCF23 5QRCF23 5QSCF23 5QTCF23 5QUCF23 5QWCF23 5QXCF23 5QYCF23 5QZCF23 5RACF23 5RBCF23 5RDCF23 5RECF23 5RFCF23 5RHCF23 5RLCF23 5SACF23 5SBCF23 5SDCF23 5SECF23 5SGCF23 5SHCF23 5SJCF23 5SLCF23 5SYCF23 5WSCF23 5YACF23 5YBCF23 5YG

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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