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, by gigabit broadband

Map of every postcode in the CF37 3 sector, by gigabit broadband Of the 139 postcodes in the CF37 3 sector that ONS places, 137 have no home or business that can get gigabit and 2 have some that can. 5 groups of postcodes without gigabit are outlined: 57 postcodes without gigabit; 21 postcodes without gigabit; 18 postcodes without gigabit; 9 postcodes without gigabit; 7 postcodes without gigabit. Places named: Abercynon, Ynysybwl. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4054A4059 CF37 3EE: some gigabitCF37 3ND: some gigabitCF37 3AA: no gigabitCF37 3AB: no gigabitCF37 3AD: no gigabitCF37 3AE: no gigabitCF37 3AF: no gigabitCF37 3AG: no gigabitCF37 3AH: no gigabitCF37 3AJ: no gigabitCF37 3AL: no gigabitCF37 3AN: no gigabitCF37 3AP: no gigabitCF37 3AR: no gigabitCF37 3AS: no gigabitCF37 3AT: no gigabitCF37 3AU: no gigabitCF37 3AW: no gigabitCF37 3AY: no gigabitCF37 3BA: no gigabitCF37 3BB: no gigabitCF37 3BD: no gigabitCF37 3BE: no gigabitCF37 3BG: no gigabitCF37 3BH: no gigabitCF37 3BL: no gigabitCF37 3BN: no gigabitCF37 3BP: no gigabitCF37 3BQ: no gigabitCF37 3BS: no gigabitCF37 3BT: no gigabitCF37 3BU: no gigabitCF37 3BW: no gigabitCF37 3BY: no gigabitCF37 3DA: no gigabitCF37 3DB: no gigabitCF37 3DD: no gigabitCF37 3DE: no gigabitCF37 3DF: no gigabitCF37 3DG: no gigabitCF37 3DH: no gigabitCF37 3DJ: no gigabitCF37 3DN: no gigabitCF37 3DP: no gigabitCF37 3DQ: no gigabitCF37 3DR: no gigabitCF37 3DS: no gigabitCF37 3DT: no gigabitCF37 3DU: no gigabitCF37 3DW: no gigabitCF37 3DX: no gigabitCF37 3DY: no gigabitCF37 3DZ: no gigabitCF37 3EA: no gigabitCF37 3EB: no gigabitCF37 3ED: no gigabitCF37 3EF: no gigabitCF37 3EG: no gigabitCF37 3EH: no gigabitCF37 3EJ: no gigabitCF37 3EL: no gigabitCF37 3EN: no gigabitCF37 3ER: no gigabitCF37 3ES: no gigabitCF37 3ET: no gigabitCF37 3EU: no gigabitCF37 3EW: no gigabitCF37 3EX: no gigabitCF37 3EY: no gigabitCF37 3EZ: no gigabitCF37 3HA: no gigabitCF37 3HB: no gigabitCF37 3HD: no gigabitCF37 3HE: no gigabitCF37 3HF: no gigabitCF37 3HG: no gigabitCF37 3HH: no gigabitCF37 3HN: no gigabitCF37 3HP: no gigabitCF37 3HR: no gigabitCF37 3HS: no gigabitCF37 3HT: no gigabitCF37 3HU: no gigabitCF37 3HW: no gigabitCF37 3HX: no gigabitCF37 3HY: no gigabitCF37 3HZ: no gigabitCF37 3JA: no gigabitCF37 3JB: no gigabitCF37 3JD: no gigabitCF37 3JE: no gigabitCF37 3JF: no gigabitCF37 3JG: no gigabitCF37 3JH: no gigabitCF37 3JJ: no gigabitCF37 3JL: no gigabitCF37 3LA: no gigabitCF37 3LB: no gigabitCF37 3LD: no gigabitCF37 3LE: no gigabitCF37 3LF: no gigabitCF37 3LG: no gigabitCF37 3LH: no gigabitCF37 3LL: no gigabitCF37 3LN: no gigabitCF37 3LP: no gigabitCF37 3LR: no gigabitCF37 3LS: no gigabitCF37 3LT: no gigabitCF37 3LW: no gigabitCF37 3LX: no gigabitCF37 3LY: no gigabitCF37 3NA: no gigabitCF37 3NB: no gigabitCF37 3NL: no gigabitCF37 3NN: no gigabitCF37 3NP: no gigabitCF37 3NR: no gigabitCF37 3NS: no gigabitCF37 3NT: no gigabitCF37 3NU: no gigabitCF37 3NW: no gigabitCF37 3NY: no gigabitCF37 3PA: no gigabitCF37 3PB: no gigabitCF37 3PD: no gigabitCF37 3PE: no gigabitCF37 3PF: no gigabitCF37 3PG: no gigabitCF37 3PH: no gigabitCF37 3PJ: no gigabitCF37 3PL: no gigabitCF37 3PP: no gigabitCF37 3PR: no gigabitCF37 3PS: no gigabit AbercynonYnysybwl 57 postcodes without gigabit, outlined: this goes to CF37 3BS, the one nearest the middle of them57 postcodes without gigabit21 postcodes without gigabit, outlined: this goes to CF37 3EA, the one nearest the middle of them21 postcodes without gigabit18 postcodes without gigabit, outlined: this goes to CF37 3HX, the one nearest the middle of them18 postcodes without gigabit9 postcodes without gigabit, outlined: this goes to CF37 3NY, the one nearest the middle of them9 postcodes without gigabit7 postcodes without gigabit, outlined: this goes to CF37 3HJ, the one nearest the middle of them7 postcodes without gigabit Map of every postcode in the CF37 3 sector, by gigabit broadband Of the 139 postcodes in the CF37 3 sector that ONS places, 137 have no home or business that can get gigabit and 2 have some that can. 5 groups of postcodes without gigabit are outlined: 57 postcodes without gigabit; 21 postcodes without gigabit; 18 postcodes without gigabit; 9 postcodes without gigabit; 7 postcodes without gigabit. Places named: Ynysybwl. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4059 Ynysybwl 21 postcodes without gigabit, outlined: this goes to CF37 3EA, the one nearest the middle of them21 postcodes without gigabit18 postcodes without gigabit, outlined: this goes to CF37 3HX, the one nearest the middle of them18 postcodes without gigabit9 postcodes without gigabit, outlined: this goes to CF37 3NY, the one nearest the middle of them9 postcodes without gigabit7 postcodes without gigabit, outlined: this goes to CF37 3HJ, the one nearest the middle of them7 postcodes without gigabit
  • No home or business can get gigabit: 137
  • Some can get gigabit: 2
  • Every home and business can get gigabit: 0
  • Ofcom gives no figure: 0
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 139 postcodes in the CF37 3 sector that ONS places, 137 have no home or business that can get gigabit and 2 have some that can.

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 160 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

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

CF37 3AACF37 3ABCF37 3ADCF37 3AECF37 3AFCF37 3AGCF37 3AHCF37 3AJCF37 3ALCF37 3ANCF37 3APCF37 3AR

Where the postcodes without gigabit lie together

  • 57 postcodes without gigabit, outlined on the map. CF37 3BS, is the one nearest the middle of them.
  • 21 postcodes without gigabit, outlined on the map. CF37 3EA, is the one nearest the middle of them.
  • 18 postcodes without gigabit, outlined on the map. CF37 3HX, is the one nearest the middle of them.
  • 9 postcodes without gigabit, outlined on the map. CF37 3NY, is the one nearest the middle of them.
  • 7 postcodes without gigabit, outlined on the map. CF37 3HJ, is the one nearest the middle of 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

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