CF42 5 postcode sector in the CF42 district

CF42 5 is a sector of the CF42 district: every postcode that starts CF42 5. It has 147 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 CF42 5 sector, and which are new since 2020

Map of every postcode in the CF42 5 sector, by new since 2020 Of the 147 postcodes in the CF42 5 sector that ONS places, 3 are new since 2020 and 144 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Treherbert. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A4061 CF42 5AA: before 2020CF42 5AB: before 2020CF42 5AD: before 2020CF42 5AE: before 2020CF42 5AF: before 2020CF42 5AG: before 2020CF42 5AH: before 2020CF42 5AL: before 2020CF42 5AP: before 2020CF42 5AQ: before 2020CF42 5AR: before 2020CF42 5AS: before 2020CF42 5AT: before 2020CF42 5AU: before 2020CF42 5AW: before 2020CF42 5BA: before 2020CF42 5BE: before 2020CF42 5BG: before 2020CF42 5BH: before 2020CF42 5BL: before 2020CF42 5BN: before 2020CF42 5BP: before 2020CF42 5BS: before 2020CF42 5BT: before 2020CF42 5BU: before 2020CF42 5BW: before 2020CF42 5DA: before 2020CF42 5DB: before 2020CF42 5DD: before 2020CF42 5DE: before 2020CF42 5DF: before 2020CF42 5DG: before 2020CF42 5DL: before 2020CF42 5DN: before 2020CF42 5DP: before 2020CF42 5DR: before 2020CF42 5DS: before 2020CF42 5DT: before 2020CF42 5DU: before 2020CF42 5DY: before 2020CF42 5EA: before 2020CF42 5EB: before 2020CF42 5ED: before 2020CF42 5EL: before 2020CF42 5EN: before 2020CF42 5ER: before 2020CF42 5ES: before 2020CF42 5ET: before 2020CF42 5EW: before 2020CF42 5EY: before 2020CF42 5HA: before 2020CF42 5HB: before 2020CF42 5HD: before 2020CF42 5HE: before 2020CF42 5HF: before 2020CF42 5HG: before 2020CF42 5HH: before 2020CF42 5HL: before 2020CF42 5HN: before 2020CF42 5HP: before 2020CF42 5HT: before 2020CF42 5HU: before 2020CF42 5HW: before 2020CF42 5HY: before 2020CF42 5HZ: before 2020CF42 5JJ: before 2020CF42 5LA: before 2020CF42 5LB: before 2020CF42 5LD: before 2020CF42 5LE: before 2020CF42 5LF: before 2020CF42 5LG: before 2020CF42 5LH: before 2020CF42 5LJ: before 2020CF42 5LL: before 2020CF42 5LN: before 2020CF42 5LP: before 2020CF42 5LR: before 2020CF42 5LS: before 2020CF42 5LT: before 2020CF42 5LU: before 2020CF42 5LW: before 2020CF42 5LY: before 2020CF42 5NA: before 2020CF42 5NB: before 2020CF42 5ND: before 2020CF42 5NE: before 2020CF42 5NF: before 2020CF42 5NG: before 2020CF42 5NH: before 2020CF42 5NL: before 2020CF42 5NN: before 2020CF42 5NP: before 2020CF42 5NR: before 2020CF42 5NS: before 2020CF42 5NT: before 2020CF42 5NY: before 2020CF42 5PA: before 2020CF42 5PB: before 2020CF42 5PD: before 2020CF42 5PE: before 2020CF42 5PF: before 2020CF42 5PG: before 2020CF42 5PH: before 2020CF42 5PJ: before 2020CF42 5PL: before 2020CF42 5PN: before 2020CF42 5PP: before 2020CF42 5PR: before 2020CF42 5PS: before 2020CF42 5PT: before 2020CF42 5PU: before 2020CF42 5PX: before 2020CF42 5PY: before 2020CF42 5RA: before 2020CF42 5RB: before 2020CF42 5RD: before 2020CF42 5RE: before 2020CF42 5RF: before 2020CF42 5RG: before 2020CF42 5RH: before 2020CF42 5RJ: before 2020CF42 5RL: before 2020CF42 5RN: before 2020CF42 5RY: before 2020CF42 5SA: before 2020CF42 5SB: before 2020CF42 5SD: before 2020CF42 5SE: before 2020CF42 5SF: before 2020CF42 5SG: before 2020CF42 5SH: before 2020CF42 5SL: before 2020CF42 5SN: before 2020CF42 5SP: before 2020CF42 5SR: before 2020CF42 5SS: before 2020CF42 5ST: before 2020CF42 5SU: before 2020CF42 5SW: before 2020CF42 5SX: before 2020CF42 5SY: before 2020CF42 5AY: new since 2020CF42 5PQ: new since 2020 Treherbert Map of every postcode in the CF42 5 sector, by new since 2020 Of the 147 postcodes in the CF42 5 sector that ONS places, 3 are new since 2020 and 144 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Treherbert. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Treherbert
  • New since 2020: 3
  • In use before 2020: 144

Of the 147 postcodes in the CF42 5 sector that ONS places, 3 are new since 2020 and 144 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

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

What do homes sell for in CF42 5?

Homes in CF42 5 sold for a typical £115,000 in the 12 months to August 2026, across 63 sales, up 9.5% on the 12 months before, HM Land Registry's figures show.

£115,000 typical price, the 12 months to August 2026
£105,000 12 months to August 2025
▲ up 9.5% on the 12 months before
  • Detached £292,500 6 sales
  • Semi-detached 4 sales, too few to price
  • Terraced £108,000 53 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 CF42 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 CF42 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.

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.