CF45 4 postcode sector in the CF45 district

CF45 4 is a sector of the CF45 district: every postcode that starts CF45 4. It has 233 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 CF45 4 sector, by gigabit broadband

Map of every postcode in the CF45 4 sector, by gigabit broadband Of the 233 postcodes in the CF45 4 sector that ONS places, 126 have no home or business that can get gigabit, 18 have some that can, 86 can all get it and 3 have no Ofcom figure. 3 groups of postcodes without gigabit are outlined: 80 postcodes without gigabit; 18 postcodes without gigabit; 5 postcodes without gigabit. Places named: Mountain Ash, Abercynon, Treharris, Ynysybwl, Aberfan. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A470A4054 CF45 4RU: no Ofcom figureCF45 4UY: no Ofcom figureCF45 4XA: no Ofcom figureCF45 4AD: gigabit for allCF45 4AE: gigabit for allCF45 4AF: gigabit for allCF45 4AG: gigabit for allCF45 4AL: gigabit for allCF45 4AP: gigabit for allCF45 4AQ: gigabit for allCF45 4AR: gigabit for allCF45 4AS: gigabit for allCF45 4AU: gigabit for allCF45 4AW: gigabit for allCF45 4BA: gigabit for allCF45 4BB: gigabit for allCF45 4BE: gigabit for allCF45 4BG: gigabit for allCF45 4BH: gigabit for allCF45 4BL: gigabit for allCF45 4BN: gigabit for allCF45 4BP: gigabit for allCF45 4BQ: gigabit for allCF45 4BS: gigabit for allCF45 4BW: gigabit for allCF45 4DA: gigabit for allCF45 4DD: gigabit for allCF45 4DF: gigabit for allCF45 4DJ: gigabit for allCF45 4DR: gigabit for allCF45 4DS: gigabit for allCF45 4DT: gigabit for allCF45 4DX: gigabit for allCF45 4DZ: gigabit for allCF45 4EA: gigabit for allCF45 4EB: gigabit for allCF45 4EJ: gigabit for allCF45 4EX: gigabit for allCF45 4EY: gigabit for allCF45 4FB: gigabit for allCF45 4FE: gigabit for allCF45 4FF: gigabit for allCF45 4FG: gigabit for allCF45 4HA: gigabit for allCF45 4HB: gigabit for allCF45 4HD: gigabit for allCF45 4HE: gigabit for allCF45 4HF: gigabit for allCF45 4HG: gigabit for allCF45 4HH: gigabit for allCF45 4HJ: gigabit for allCF45 4HL: gigabit for allCF45 4HN: gigabit for allCF45 4HP: gigabit for allCF45 4HR: gigabit for allCF45 4HT: gigabit for allCF45 4HY: gigabit for allCF45 4LB: gigabit for allCF45 4LD: gigabit for allCF45 4LE: gigabit for allCF45 4LF: gigabit for allCF45 4LL: gigabit for allCF45 4LN: gigabit for allCF45 4LW: gigabit for allCF45 4LX: gigabit for allCF45 4NJ: gigabit for allCF45 4PJ: gigabit for allCF45 4XZ: gigabit for allCF45 4YB: gigabit for allCF45 4YE: gigabit for allCF45 4YF: gigabit for allCF45 4YN: gigabit for allCF45 4YP: gigabit for allCF45 4YS: gigabit for allCF45 4YT: gigabit for allCF45 4YW: gigabit for allCF45 4AB: some gigabitCF45 4DY: some gigabitCF45 4ER: some gigabitCF45 4ES: some gigabitCF45 4FD: some gigabitCF45 4LA: some gigabitCF45 4LG: some gigabitCF45 4LH: some gigabitCF45 4LJ: some gigabitCF45 4PP: some gigabitCF45 4PQ: some gigabitCF45 4RA: some gigabitCF45 4SN: some gigabitCF45 4SU: some gigabitCF45 4YD: some gigabitCF45 4YX: some gigabitCF45 4YH: some gigabitCF45 4AA: no gigabitCF45 4AJ: no gigabitCF45 4AZ: no gigabitCF45 4BJ: no gigabitCF45 4BT: no gigabitCF45 4BU: no gigabitCF45 4BX: no gigabitCF45 4BY: no gigabitCF45 4BZ: no gigabitCF45 4DB: no gigabitCF45 4DG: no gigabitCF45 4DH: no gigabitCF45 4DL: no gigabitCF45 4DN: no gigabitCF45 4DP: no gigabitCF45 4DQ: no gigabitCF45 4DW: no gigabitCF45 4ED: no gigabitCF45 4EE: no gigabitCF45 4EF: no gigabitCF45 4EG: no gigabitCF45 4EH: no gigabitCF45 4EL: no gigabitCF45 4EN: no gigabitCF45 4EP: no gigabitCF45 4EW: no gigabitCF45 4FA: no gigabitCF45 4LP: no gigabitCF45 4LR: no gigabitCF45 4LS: no gigabitCF45 4LT: no gigabitCF45 4LU: no gigabitCF45 4LY: no gigabitCF45 4NA: no gigabitCF45 4ND: no gigabitCF45 4NE: no gigabitCF45 4NF: no gigabitCF45 4NG: no gigabitCF45 4NH: no gigabitCF45 4NL: no gigabitCF45 4NN: no gigabitCF45 4NR: no gigabitCF45 4NS: no gigabitCF45 4NT: no gigabitCF45 4NU: no gigabitCF45 4NW: no gigabitCF45 4NY: no gigabitCF45 4PA: no gigabitCF45 4PB: no gigabitCF45 4PD: no gigabitCF45 4PE: no gigabitCF45 4PF: no gigabitCF45 4PG: no gigabitCF45 4PH: no gigabitCF45 4PL: no gigabitCF45 4PN: no gigabitCF45 4PR: no gigabitCF45 4PS: no gigabitCF45 4PT: no gigabitCF45 4PW: no gigabitCF45 4PY: no gigabitCF45 4RB: no gigabitCF45 4RD: no gigabitCF45 4RE: no gigabitCF45 4RG: no gigabitCF45 4RH: no gigabitCF45 4RJ: no gigabitCF45 4RL: no gigabitCF45 4RN: no gigabitCF45 4RP: no gigabitCF45 4RR: no gigabitCF45 4RS: no gigabitCF45 4RX: no gigabitCF45 4SA: no gigabitCF45 4SB: no gigabitCF45 4SD: no gigabitCF45 4SE: no gigabitCF45 4SF: no gigabitCF45 4SH: no gigabitCF45 4SP: no gigabitCF45 4SR: no gigabitCF45 4ST: no gigabitCF45 4SW: no gigabitCF45 4TA: no gigabitCF45 4TB: no gigabitCF45 4TD: no gigabitCF45 4TE: no gigabitCF45 4TF: no gigabitCF45 4TH: no gigabitCF45 4TJ: no gigabitCF45 4TN: no gigabitCF45 4TP: no gigabitCF45 4TQ: no gigabitCF45 4TR: no gigabitCF45 4TT: no gigabitCF45 4TU: no gigabitCF45 4TX: no gigabitCF45 4TY: no gigabitCF45 4UA: no gigabitCF45 4UB: no gigabitCF45 4UD: no gigabitCF45 4UE: no gigabitCF45 4UF: no gigabitCF45 4UG: no gigabitCF45 4UH: no gigabitCF45 4UJ: no gigabitCF45 4UL: no gigabitCF45 4UN: no gigabitCF45 4UP: no gigabitCF45 4UQ: no gigabitCF45 4UR: no gigabitCF45 4UT: no gigabitCF45 4UU: no gigabitCF45 4UW: no gigabitCF45 4YA: no gigabitCF45 4YU: no gigabit Mountain AshAbercynonTreharrisYnysybwlAberfan 80 postcodes without gigabit, outlined: this goes to CF45 4TB, the one nearest the middle of them80 postcodes without gigabit18 postcodes without gigabit, outlined: this goes to CF45 4AJ, the one nearest the middle of them18 postcodes without gigabit5 postcodes without gigabit, outlined: this goes to CF45 4DL, the one nearest the middle of them5 postcodes without gigabit Map of every postcode in the CF45 4 sector, by gigabit broadband Of the 233 postcodes in the CF45 4 sector that ONS places, 126 have no home or business that can get gigabit, 18 have some that can, 86 can all get it and 3 have no Ofcom figure. 3 groups of postcodes without gigabit are outlined: 80 postcodes without gigabit; 18 postcodes without gigabit; 5 postcodes without gigabit. Places named: Mountain Ash, Abercynon, Ynysybwl. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A470 Mountain AshAbercynonYnysybwl 5 postcodes without gigabit, outlined: this goes to CF45 4DL, the one nearest the middle of them5 postcodes without gigabit
  • No home or business can get gigabit: 126
  • Some can get gigabit: 18
  • Every home and business can get gigabit: 86
  • Ofcom gives no figure: 3
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 233 postcodes in the CF45 4 sector that ONS places, 126 have no home or business that can get gigabit, 18 have some that can, 86 can all get it and 3 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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; 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

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

CF45 4AACF45 4AJCF45 4AXCF45 4AZCF45 4BJCF45 4BTCF45 4BUCF45 4BXCF45 4BYCF45 4BZCF45 4DBCF45 4DG

Where the postcodes without gigabit lie together

  • 80 postcodes without gigabit, outlined on the map. CF45 4TB, is the one nearest the middle of them.
  • 18 postcodes without gigabit, outlined on the map. CF45 4AJ, is the one nearest the middle of them.
  • 5 postcodes without gigabit, outlined on the map. CF45 4DL, is the one nearest the middle of them.

What do homes sell for in CF45 4?

Homes in CF45 4 sold for a typical £142,000 in the 12 months to August 2026, across 89 sales, up 9.2% on the 12 months before, HM Land Registry's figures show.

£142,000 typical price, the 12 months to August 2026
£130,000 12 months to August 2025
▲ up 9.2% on the 12 months before
  • Detached £297,250 8 sales
  • Semi-detached £164,995 19 sales
  • Terraced £138,000 59 sales
  • Flat or maisonette 3 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 CF45 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 CF45 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.

CF45 4AACF45 4ABCF45 4ADCF45 4AECF45 4AFCF45 4AGCF45 4AHCF45 4AJCF45 4ALCF45 4ANCF45 4APCF45 4AQCF45 4ARCF45 4ASCF45 4ATCF45 4AUCF45 4AWCF45 4AXCF45 4AYCF45 4AZCF45 4BACF45 4BBCF45 4BDCF45 4BECF45 4BGCF45 4BHCF45 4BJCF45 4BLCF45 4BNCF45 4BPCF45 4BQCF45 4BSCF45 4BTCF45 4BUCF45 4BWCF45 4BXCF45 4BYCF45 4BZCF45 4DACF45 4DBCF45 4DDCF45 4DFCF45 4DGCF45 4DHCF45 4DJCF45 4DLCF45 4DNCF45 4DPCF45 4DQCF45 4DRCF45 4DSCF45 4DTCF45 4DUCF45 4DWCF45 4DXCF45 4DYCF45 4DZCF45 4EACF45 4EBCF45 4EDCF45 4EECF45 4EFCF45 4EGCF45 4EHCF45 4EJCF45 4ELCF45 4ENCF45 4EPCF45 4ERCF45 4ESCF45 4EWCF45 4EXCF45 4EYCF45 4FACF45 4FBCF45 4FDCF45 4FECF45 4FFCF45 4FGCF45 4FHCF45 4FJCF45 4HACF45 4HBCF45 4HDCF45 4HECF45 4HFCF45 4HGCF45 4HHCF45 4HJCF45 4HLCF45 4HNCF45 4HPCF45 4HRCF45 4HSCF45 4HTCF45 4HWCF45 4HYCF45 4LACF45 4LBCF45 4LDCF45 4LECF45 4LFCF45 4LGCF45 4LHCF45 4LJCF45 4LLCF45 4LNCF45 4LPCF45 4LRCF45 4LSCF45 4LTCF45 4LUCF45 4LWCF45 4LXCF45 4LYCF45 4NACF45 4NBCF45 4NDCF45 4NECF45 4NFCF45 4NGCF45 4NHCF45 4NJCF45 4NLCF45 4NNCF45 4NPCF45 4NRCF45 4NSCF45 4NTCF45 4NUCF45 4NWCF45 4NYCF45 4PACF45 4PBCF45 4PDCF45 4PECF45 4PFCF45 4PGCF45 4PHCF45 4PJCF45 4PLCF45 4PNCF45 4PPCF45 4PQCF45 4PRCF45 4PSCF45 4PTCF45 4PUCF45 4PWCF45 4PYCF45 4RACF45 4RBCF45 4RDCF45 4RECF45 4RGCF45 4RHCF45 4RJCF45 4RLCF45 4RNCF45 4RPCF45 4RRCF45 4RSCF45 4RTCF45 4RUCF45 4RWCF45 4RXCF45 4SACF45 4SBCF45 4SDCF45 4SECF45 4SFCF45 4SHCF45 4SNCF45 4SPCF45 4SRCF45 4SSCF45 4STCF45 4SUCF45 4SWCF45 4SYCF45 4TACF45 4TBCF45 4TDCF45 4TECF45 4TFCF45 4TGCF45 4THCF45 4TJCF45 4TLCF45 4TNCF45 4TPCF45 4TQCF45 4TRCF45 4TTCF45 4TUCF45 4TXCF45 4TYCF45 4UACF45 4UBCF45 4UDCF45 4UECF45 4UFCF45 4UGCF45 4UHCF45 4UJCF45 4ULCF45 4UNCF45 4UPCF45 4UQCF45 4URCF45 4UTCF45 4UUCF45 4UWCF45 4UYCF45 4XACF45 4XZCF45 4YACF45 4YBCF45 4YDCF45 4YECF45 4YFCF45 4YGCF45 4YHCF45 4YLCF45 4YNCF45 4YPCF45 4YRCF45 4YSCF45 4YTCF45 4YUCF45 4YWCF45 4YXCF45 4YY

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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