CF31 5 postcode sector in the CF31 district

CF31 5 is a sector of the CF31 district: every postcode that starts CF31 5. It has 97 postcodes in use, one of them a large-user postcode. 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 CF31 5 sector, by gigabit broadband

Map of every postcode in the CF31 5 sector, by gigabit broadband Of the 97 postcodes in the CF31 5 sector that ONS places, 2 have no home or business that can get gigabit and 95 can all get it. Places named: Bryntirion, Laleston and Merthyr Mawr. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A48A473 CF31 5AA: gigabit for allCF31 5AB: gigabit for allCF31 5AD: gigabit for allCF31 5AE: gigabit for allCF31 5AF: gigabit for allCF31 5AG: gigabit for allCF31 5AH: gigabit for allCF31 5AJ: gigabit for allCF31 5AL: gigabit for allCF31 5AN: gigabit for allCF31 5AP: gigabit for allCF31 5AQ: gigabit for allCF31 5AR: gigabit for allCF31 5AS: gigabit for allCF31 5AT: gigabit for allCF31 5AU: gigabit for allCF31 5AW: gigabit for allCF31 5AY: gigabit for allCF31 5AZ: gigabit for allCF31 5BA: gigabit for allCF31 5BB: gigabit for allCF31 5BD: gigabit for allCF31 5BE: gigabit for allCF31 5BF: gigabit for allCF31 5BG: gigabit for allCF31 5BH: gigabit for allCF31 5BJ: gigabit for allCF31 5BL: gigabit for allCF31 5BN: gigabit for allCF31 5BP: gigabit for allCF31 5BQ: gigabit for allCF31 5BR: gigabit for allCF31 5BS: gigabit for allCF31 5BT: gigabit for allCF31 5BU: gigabit for allCF31 5BW: gigabit for allCF31 5BX: gigabit for allCF31 5BY: gigabit for allCF31 5BZ: gigabit for allCF31 5DA: gigabit for allCF31 5DB: gigabit for allCF31 5DD: gigabit for allCF31 5DE: gigabit for allCF31 5DF: gigabit for allCF31 5DG: gigabit for allCF31 5DH: gigabit for allCF31 5DJ: gigabit for allCF31 5DL: gigabit for allCF31 5DN: gigabit for allCF31 5DP: gigabit for allCF31 5DQ: gigabit for allCF31 5DR: gigabit for allCF31 5DS: gigabit for allCF31 5DT: gigabit for allCF31 5DU: gigabit for allCF31 5DW: gigabit for allCF31 5DX: gigabit for allCF31 5DY: gigabit for allCF31 5DZ: gigabit for allCF31 5EA: gigabit for allCF31 5EB: gigabit for allCF31 5EF: gigabit for allCF31 5EG: gigabit for allCF31 5EH: gigabit for allCF31 5EJ: gigabit for allCF31 5EL: gigabit for allCF31 5EN: gigabit for allCF31 5EP: gigabit for allCF31 5EQ: gigabit for allCF31 5ER: gigabit for allCF31 5ES: gigabit for allCF31 5EU: gigabit for allCF31 5EW: gigabit for allCF31 5EX: gigabit for allCF31 5EY: gigabit for allCF31 5EZ: gigabit for allCF31 5FA: gigabit for allCF31 5FB: gigabit for allCF31 5FD: gigabit for allCF31 5FE: gigabit for allCF31 5FF: gigabit for allCF31 5FG: gigabit for allCF31 5FH: gigabit for allCF31 5FJ: gigabit for allCF31 5FL: gigabit for allCF31 5FN: gigabit for allCF31 5FP: gigabit for allCF31 5FQ: gigabit for allCF31 5FR: gigabit for allCF31 5FS: gigabit for allCF31 5FT: gigabit for allCF31 5FU: gigabit for allCF31 5FW: gigabit for allCF31 5GA: gigabit for allCF31 5HA: gigabit for allCF31 5ED: no gigabitCF31 5EE: no gigabit Bryntirion, Laleston and Merthyr Mawr Map of every postcode in the CF31 5 sector, by gigabit broadband Of the 97 postcodes in the CF31 5 sector that ONS places, 2 have no home or business that can get gigabit and 95 can all get it. Places named: Bryntirion, Laleston and Merthyr Mawr. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A48 Bryntirion, Laleston and Merthyr Mawr
  • No home or business can get gigabit: 2
  • Some can get gigabit: 0
  • Every home and business can get gigabit: 95
  • Ofcom gives no figure: 0

Of the 97 postcodes in the CF31 5 sector that ONS places, 2 have no home or business that can get gigabit and 95 can all get it.

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. No boundary is drawn. 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; 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

CF31 5EDCF31 5EE

What do homes sell for in CF31 5?

Homes in CF31 5 sold for a typical £299,995 in the 12 months to August 2026, across 79 sales, up 7.1% on the 12 months before, HM Land Registry's figures show.

£299,995 typical price, the 12 months to August 2026
£280,000 12 months to August 2025
▲ up 7.1% on the 12 months before
  • Detached £354,950 51 sales
  • Semi-detached £238,500 12 sales
  • Terraced £195,000 14 sales
  • Flat or maisonette 2 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 CF31 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 CF31 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.

CF31 5AACF31 5ABCF31 5ADCF31 5AECF31 5AFCF31 5AGCF31 5AHCF31 5AJCF31 5ALCF31 5ANCF31 5APCF31 5AQCF31 5ARCF31 5ASCF31 5ATCF31 5AUCF31 5AWCF31 5AYCF31 5AZCF31 5BACF31 5BBCF31 5BDCF31 5BECF31 5BFCF31 5BGCF31 5BHCF31 5BJCF31 5BLCF31 5BNCF31 5BPCF31 5BQCF31 5BRCF31 5BSCF31 5BTCF31 5BUCF31 5BWCF31 5BXCF31 5BYCF31 5BZCF31 5DACF31 5DBCF31 5DDCF31 5DECF31 5DFCF31 5DGCF31 5DHCF31 5DJCF31 5DLCF31 5DNCF31 5DPCF31 5DQCF31 5DRCF31 5DSCF31 5DTCF31 5DUCF31 5DWCF31 5DXCF31 5DYCF31 5DZCF31 5EACF31 5EBCF31 5EDCF31 5EECF31 5EFCF31 5EGCF31 5EHCF31 5EJCF31 5ELCF31 5ENCF31 5EPCF31 5EQCF31 5ERCF31 5ESCF31 5EUCF31 5EWCF31 5EXCF31 5EYCF31 5EZCF31 5FACF31 5FBCF31 5FDCF31 5FECF31 5FFCF31 5FGCF31 5FHCF31 5FJCF31 5FLCF31 5FNCF31 5FPCF31 5FQCF31 5FRCF31 5FSCF31 5FTCF31 5FUCF31 5FWCF31 5GACF31 5HA

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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