CF37 3 postcode sector in the CF37 district

CF37 3 is a sector of the CF37 district: every postcode that starts CF37 3. It has 139 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 CF37 3 sector, and which are new since 2020

Map of every postcode in the CF37 3 sector, by new since 2020 Of the 139 postcodes in the CF37 3 sector that ONS places, 139 were in use before 2020. Places named: Abercynon, Ynysybwl. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4054A4059 CF37 3AA: before 2020CF37 3AB: before 2020CF37 3AD: before 2020CF37 3AE: before 2020CF37 3AF: before 2020CF37 3AG: before 2020CF37 3AH: before 2020CF37 3AJ: before 2020CF37 3AL: before 2020CF37 3AN: before 2020CF37 3AP: before 2020CF37 3AR: before 2020CF37 3AS: before 2020CF37 3AT: before 2020CF37 3AU: before 2020CF37 3AW: before 2020CF37 3AY: before 2020CF37 3BA: before 2020CF37 3BB: before 2020CF37 3BD: before 2020CF37 3BE: before 2020CF37 3BG: before 2020CF37 3BH: before 2020CF37 3BL: before 2020CF37 3BN: before 2020CF37 3BP: before 2020CF37 3BQ: before 2020CF37 3BS: before 2020CF37 3BT: before 2020CF37 3BU: before 2020CF37 3BW: before 2020CF37 3BY: before 2020CF37 3DA: before 2020CF37 3DB: before 2020CF37 3DD: before 2020CF37 3DE: before 2020CF37 3DF: before 2020CF37 3DG: before 2020CF37 3DH: before 2020CF37 3DJ: before 2020CF37 3DN: before 2020CF37 3DP: before 2020CF37 3DQ: before 2020CF37 3DR: before 2020CF37 3DS: before 2020CF37 3DT: before 2020CF37 3DU: before 2020CF37 3DW: before 2020CF37 3DX: before 2020CF37 3DY: before 2020CF37 3DZ: before 2020CF37 3EA: before 2020CF37 3EB: before 2020CF37 3ED: before 2020CF37 3EE: before 2020CF37 3EF: before 2020CF37 3EG: before 2020CF37 3EH: before 2020CF37 3EJ: before 2020CF37 3EL: before 2020CF37 3EN: before 2020CF37 3ER: before 2020CF37 3ES: before 2020CF37 3ET: before 2020CF37 3EU: before 2020CF37 3EW: before 2020CF37 3EX: before 2020CF37 3EY: before 2020CF37 3EZ: before 2020CF37 3HA: before 2020CF37 3HB: before 2020CF37 3HD: before 2020CF37 3HE: before 2020CF37 3HF: before 2020CF37 3HG: before 2020CF37 3HH: before 2020CF37 3HN: before 2020CF37 3HP: before 2020CF37 3HR: before 2020CF37 3HS: before 2020CF37 3HT: before 2020CF37 3HU: before 2020CF37 3HW: before 2020CF37 3HX: before 2020CF37 3HY: before 2020CF37 3HZ: before 2020CF37 3JA: before 2020CF37 3JB: before 2020CF37 3JD: before 2020CF37 3JE: before 2020CF37 3JF: before 2020CF37 3JG: before 2020CF37 3JH: before 2020CF37 3JJ: before 2020CF37 3JL: before 2020CF37 3LA: before 2020CF37 3LB: before 2020CF37 3LD: before 2020CF37 3LE: before 2020CF37 3LF: before 2020CF37 3LG: before 2020CF37 3LH: before 2020CF37 3LL: before 2020CF37 3LN: before 2020CF37 3LP: before 2020CF37 3LR: before 2020CF37 3LS: before 2020CF37 3LT: before 2020CF37 3LW: before 2020CF37 3LX: before 2020CF37 3LY: before 2020CF37 3NA: before 2020CF37 3NB: before 2020CF37 3ND: before 2020CF37 3NL: before 2020CF37 3NN: before 2020CF37 3NP: before 2020CF37 3NR: before 2020CF37 3NS: before 2020CF37 3NT: before 2020CF37 3NU: before 2020CF37 3NW: before 2020CF37 3NY: before 2020CF37 3PA: before 2020CF37 3PB: before 2020CF37 3PD: before 2020CF37 3PE: before 2020CF37 3PF: before 2020CF37 3PG: before 2020CF37 3PH: before 2020CF37 3PJ: before 2020CF37 3PL: before 2020CF37 3PP: before 2020CF37 3PR: before 2020CF37 3PS: before 2020 AbercynonYnysybwl Map of every postcode in the CF37 3 sector, by new since 2020 Of the 139 postcodes in the CF37 3 sector that ONS places, 139 were in use before 2020. Places named: Abercynon, Ynysybwl. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4059 AbercynonYnysybwl
  • New since 2020: 0
  • In use before 2020: 139

Of the 139 postcodes in the CF37 3 sector that ONS places, 139 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

What do homes sell for in CF37 3?

Homes in CF37 3 sold for a typical £140,000 in the 12 months to August 2026, across 53 sales, up 7.3% on the 12 months before, HM Land Registry's figures show.

£140,000 typical price, the 12 months to August 2026
£130,500 12 months to August 2025
▲ up 7.3% on the 12 months before
  • Detached 3 sales, too few to price
  • Semi-detached £195,000 17 sales
  • Terraced £130,000 33 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 CF37 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 CF37 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.

CF37 3AACF37 3ABCF37 3ADCF37 3AECF37 3AFCF37 3AGCF37 3AHCF37 3AJCF37 3ALCF37 3ANCF37 3APCF37 3ARCF37 3ASCF37 3ATCF37 3AUCF37 3AWCF37 3AYCF37 3BACF37 3BBCF37 3BDCF37 3BECF37 3BGCF37 3BHCF37 3BLCF37 3BNCF37 3BPCF37 3BQCF37 3BSCF37 3BTCF37 3BUCF37 3BWCF37 3BYCF37 3DACF37 3DBCF37 3DDCF37 3DECF37 3DFCF37 3DGCF37 3DHCF37 3DJCF37 3DLCF37 3DNCF37 3DPCF37 3DQCF37 3DRCF37 3DSCF37 3DTCF37 3DUCF37 3DWCF37 3DXCF37 3DYCF37 3DZCF37 3EACF37 3EBCF37 3EDCF37 3EECF37 3EFCF37 3EGCF37 3EHCF37 3EJCF37 3ELCF37 3ENCF37 3EPCF37 3EQCF37 3ERCF37 3ESCF37 3ETCF37 3EUCF37 3EWCF37 3EXCF37 3EYCF37 3EZCF37 3HACF37 3HBCF37 3HDCF37 3HECF37 3HFCF37 3HGCF37 3HHCF37 3HJCF37 3HNCF37 3HPCF37 3HRCF37 3HSCF37 3HTCF37 3HUCF37 3HWCF37 3HXCF37 3HYCF37 3HZCF37 3JACF37 3JBCF37 3JDCF37 3JECF37 3JFCF37 3JGCF37 3JHCF37 3JJCF37 3JLCF37 3LACF37 3LBCF37 3LDCF37 3LECF37 3LFCF37 3LGCF37 3LHCF37 3LLCF37 3LNCF37 3LPCF37 3LRCF37 3LSCF37 3LTCF37 3LWCF37 3LXCF37 3LYCF37 3NACF37 3NBCF37 3NDCF37 3NLCF37 3NNCF37 3NPCF37 3NRCF37 3NSCF37 3NTCF37 3NUCF37 3NWCF37 3NYCF37 3PACF37 3PBCF37 3PDCF37 3PECF37 3PFCF37 3PGCF37 3PHCF37 3PJCF37 3PLCF37 3PPCF37 3PRCF37 3PS

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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