SA9 postcode district: Ystalyfera and around

SA9 is a postcode district in Wales, with 554 postcodes in use in 3 sectors. It has postcodes in Ystalyfera, Ystradgynlais and Pontardawe. It is split between 3 councils: Powys (348 postcodes), Neath Port Talbot (173) and Carmarthenshire (33).

Postcodes in use
554
Sectors
3
Councils
3 councils
Places
3 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in SA9, by gigabit broadband

Map of every postcode in SA9, by gigabit broadband Of the 554 postcodes in SA9 that ONS places, 231 have no home or business that can get gigabit, 92 have some that can, 228 can all get it and 3 have no Ofcom figure. 6 groups of postcodes without gigabit are outlined: 26 postcodes without gigabit; 22 postcodes without gigabit; 21 postcodes without gigabit; 21 postcodes without gigabit; 17 postcodes without gigabit; 12 postcodes without gigabit. Places named: Ystalyfera, Ystradgynlais, Seven Sisters. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A4109A465 SA9 5AA: no Ofcom figureSA9 1AB: gigabit for allSA9 1AD: gigabit for allSA9 1AE: gigabit for allSA9 1AF: gigabit for allSA9 1AG: gigabit for allSA9 1AH: gigabit for allSA9 1AL: gigabit for allSA9 1AP: gigabit for allSA9 1AS: gigabit for allSA9 1AT: gigabit for allSA9 1AX: gigabit for allSA9 1BA: gigabit for allSA9 1BB: gigabit for allSA9 1BD: gigabit for allSA9 1BH: gigabit for allSA9 1BJ: gigabit for allSA9 1BL: gigabit for allSA9 1BT: gigabit for allSA9 1BX: gigabit for allSA9 1BZ: gigabit for allSA9 1DA: gigabit for allSA9 1DB: gigabit for allSA9 1DJ: gigabit for allSA9 1DP: gigabit for allSA9 1DS: gigabit for allSA9 1DU: gigabit for allSA9 1DW: gigabit for allSA9 1DX: gigabit for allSA9 1DY: gigabit for allSA9 1EB: gigabit for allSA9 1ED: gigabit for allSA9 1EF: gigabit for allSA9 1EH: gigabit for allSA9 1ES: gigabit for allSA9 1EU: gigabit for allSA9 1EX: gigabit for allSA9 1FB: gigabit for allSA9 1FE: gigabit for allSA9 1FJ: gigabit for allSA9 1FP: gigabit for allSA9 1FQ: gigabit for allSA9 1FS: gigabit for allSA9 1FW: gigabit for allSA9 1GA: gigabit for allSA9 1GB: gigabit for allSA9 1GD: gigabit for allSA9 1GF: gigabit for allSA9 1GH: gigabit for allSA9 1GL: gigabit for allSA9 1GQ: gigabit for allSA9 1GR: gigabit for allSA9 1HF: gigabit for allSA9 1HG: gigabit for allSA9 1HH: gigabit for allSA9 1HW: gigabit for allSA9 1JW: gigabit for allSA9 1LF: gigabit for allSA9 1LP: gigabit for allSA9 1LT: gigabit for allSA9 1LU: gigabit for allSA9 1LX: gigabit for allSA9 1LY: gigabit for allSA9 1NA: gigabit for allSA9 1NH: gigabit for allSA9 1PE: gigabit for allSA9 1PQ: gigabit for allSA9 1SH: gigabit for allSA9 1SN: gigabit for allSA9 1SP: gigabit for allSA9 1SQ: gigabit for allSA9 1YP: gigabit for allSA9 1YS: gigabit for allSA9 1YU: gigabit for allSA9 1YW: gigabit for allSA9 1YX: gigabit for allSA9 2AA: gigabit for allSA9 2AL: gigabit for allSA9 2AN: gigabit for allSA9 2AR: gigabit for allSA9 2AS: gigabit for allSA9 2AX: gigabit for allSA9 2BG: gigabit for allSA9 2BH: gigabit for allSA9 2BN: gigabit for allSA9 2BP: gigabit for allSA9 2BQ: gigabit for allSA9 2BS: gigabit for allSA9 2BX: gigabit for allSA9 2BY: gigabit for allSA9 2DB: gigabit for allSA9 2DD: gigabit for allSA9 2DE: gigabit for allSA9 2DH: gigabit for allSA9 2DJ: gigabit for allSA9 2DL: gigabit for allSA9 2DN: gigabit for allSA9 2DP: gigabit for allSA9 2DQ: gigabit for allSA9 2DW: gigabit for allSA9 2EA: gigabit for allSA9 2EE: gigabit for allSA9 2EG: gigabit for allSA9 2EH: gigabit for allSA9 2EJ: gigabit for allSA9 2EL: gigabit for allSA9 2EN: gigabit for allSA9 2EQ: gigabit for allSA9 2ER: gigabit for allSA9 2ET: gigabit for allSA9 2FL: gigabit for allSA9 2FN: gigabit for allSA9 2FT: gigabit for allSA9 2FU: gigabit for allSA9 2HA: gigabit for allSA9 2HB: gigabit for allSA9 2HT: gigabit for allSA9 2HU: gigabit for allSA9 2HX: gigabit for allSA9 2HY: gigabit for allSA9 2JG: gigabit for allSA9 2JH: gigabit for allSA9 2JN: gigabit for allSA9 2JQ: gigabit for allSA9 2JU: gigabit for allSA9 2JX: gigabit for allSA9 2JY: gigabit for allSA9 2LU: gigabit for allSA9 2LY: gigabit for allSA9 2LZ: gigabit for allSA9 2NA: gigabit for allSA9 2NJ: gigabit for allSA9 2NL: gigabit for allSA9 2NN: gigabit for allSA9 2NY: gigabit for allSA9 2PA: gigabit for allSA9 2PX: gigabit for allSA9 2PY: gigabit for allSA9 2QA: gigabit for allSA9 2QB: gigabit for allSA9 2QD: gigabit for allSA9 2RD: gigabit for allSA9 2UN: gigabit for allSA9 2UP: gigabit for allSA9 2US: gigabit for allSA9 2WA: gigabit for allSA9 2WD: gigabit for allSA9 2WE: gigabit for allSA9 2WF: gigabit for allSA9 2WH: gigabit for allSA9 2WQ: gigabit for allSA9 2XD: gigabit for allSA9 2XF: gigabit for allSA9 2XH: gigabit for allSA9 2XN: gigabit for allSA9 2XQ: gigabit for allSA9 2XU: gigabit for allSA9 2XW: gigabit for allSA9 2XX: gigabit for allSA9 2YP: gigabit for allSA9 2YR: gigabit for allSA9 1AR: some gigabitSA9 1BE: some gigabitSA9 1BP: some gigabitSA9 1BS: some gigabitSA9 1DE: some gigabitSA9 1DR: some gigabitSA9 1DT: some gigabitSA9 1EY: some gigabitSA9 1FA: some gigabitSA9 1FD: some gigabitSA9 1FH: some gigabitSA9 1FR: some gigabitSA9 1GE: some gigabitSA9 1GJ: some gigabitSA9 1GP: some gigabitSA9 1GS: some gigabitSA9 1GT: some gigabitSA9 1GU: some gigabitSA9 1GW: some gigabitSA9 1HE: some gigabitSA9 1HJ: some gigabitSA9 1HL: some gigabitSA9 1LR: some gigabitSA9 1LS: some gigabitSA9 1NZ: some gigabitSA9 1PB: some gigabitSA9 1PJ: some gigabitSA9 1PR: some gigabitSA9 1PY: some gigabitSA9 1QB: some gigabitSA9 1ST: some gigabitSA9 1SW: some gigabitSA9 1YR: some gigabitSA9 1YY: some gigabitSA9 2AD: some gigabitSA9 2AE: some gigabitSA9 2AJ: some gigabitSA9 2AP: some gigabitSA9 2AQ: some gigabitSA9 2AT: some gigabitSA9 2AU: some gigabitSA9 2BE: some gigabitSA9 2BT: some gigabitSA9 2BU: some gigabitSA9 2DA: some gigabitSA9 2DF: some gigabitSA9 2DR: some gigabitSA9 2DY: some gigabitSA9 2EP: some gigabitSA9 2EY: some gigabitSA9 2FJ: some gigabitSA9 2GT: some gigabitSA9 2GY: some gigabitSA9 2HR: some gigabitSA9 2LA: some gigabitSA9 2LR: some gigabitSA9 2NW: some gigabitSA9 2NX: some gigabitSA9 2NZ: some gigabitSA9 2PS: some gigabitSA9 2PT: some gigabitSA9 2QE: some gigabitSA9 2RE: some gigabitSA9 2RF: some gigabitSA9 2TZ: some gigabitSA9 2UR: some gigabitSA9 2UU: some gigabitSA9 2WB: some gigabitSA9 2WL: some gigabitSA9 2WN: some gigabitSA9 2XE: some gigabitSA9 2XG: some gigabitSA9 2XJ: some gigabitSA9 2XP: some gigabitSA9 2YU: some gigabitSA9 2YY: some gigabitSA9 1EE: some gigabitSA9 2LB: some gigabitSA9 2HS: some gigabitSA9 2BD: some gigabitSA9 2JD: some gigabitSA9 2NQ: some gigabitSA9 2YT: some gigabitSA9 1AA: no gigabitSA9 1AY: no gigabitSA9 1BR: no gigabitSA9 1BU: no gigabitSA9 1EW: no gigabitSA9 1EZ: no gigabitSA9 1HA: no gigabitSA9 1HN: no gigabitSA9 1HP: no gigabitSA9 1HR: no gigabitSA9 1HU: no gigabitSA9 1HX: no gigabitSA9 1HY: no gigabitSA9 1JB: no gigabitSA9 1JS: no gigabitSA9 1JX: no gigabitSA9 1LA: no gigabitSA9 1LB: no gigabitSA9 1LD: no gigabitSA9 1LE: no gigabitSA9 1LG: no gigabitSA9 1LH: no gigabitSA9 1LN: no gigabitSA9 1LQ: no gigabitSA9 1ND: no gigabitSA9 1NE: no gigabitSA9 1NQ: no gigabitSA9 1NX: no gigabitSA9 1NY: no gigabitSA9 1PL: no gigabitSA9 1PN: no gigabitSA9 1PP: no gigabitSA9 1PS: no gigabitSA9 1PT: no gigabitSA9 1QJ: no gigabitSA9 1QL: no gigabitSA9 1QN: no gigabitSA9 1QP: no gigabitSA9 1QR: no gigabitSA9 1QS: no gigabitSA9 1QT: no gigabitSA9 1QU: no gigabitSA9 1QW: no gigabitSA9 1QX: no gigabitSA9 1QY: no gigabitSA9 1QZ: no gigabitSA9 1RA: no gigabitSA9 1RB: no gigabitSA9 1RE: no gigabitSA9 1RF: no gigabitSA9 1RH: no gigabitSA9 1RJ: no gigabitSA9 1RP: no gigabitSA9 1RQ: no gigabitSA9 1RR: no gigabitSA9 1RT: no gigabitSA9 1RU: no gigabitSA9 1SA: no gigabitSA9 1SB: no gigabitSA9 1SD: no gigabitSA9 1SE: no gigabitSA9 1SG: no gigabitSA9 1SU: no gigabitSA9 1SX: no gigabitSA9 1SY: no gigabitSA9 1TA: no gigabitSA9 1TB: no gigabitSA9 1TD: no gigabitSA9 1TF: no gigabitSA9 1TG: no gigabitSA9 1TH: no gigabitSA9 1TJ: no gigabitSA9 1TL: no gigabitSA9 1TN: no gigabitSA9 1TP: no gigabitSA9 1TQ: no gigabitSA9 1TR: no gigabitSA9 1TS: no gigabitSA9 1TT: no gigabitSA9 1TX: no gigabitSA9 1UA: no gigabitSA9 1UB: no gigabitSA9 1UD: no gigabitSA9 1UE: no gigabitSA9 1UQ: no gigabitSA9 1UR: no gigabitSA9 1US: no gigabitSA9 1XA: no gigabitSA9 1XB: no gigabitSA9 1XD: no gigabitSA9 1XE: no gigabitSA9 1XF: no gigabitSA9 1XJ: no gigabitSA9 1XL: no gigabitSA9 1XP: no gigabitSA9 1XR: no gigabitSA9 1XS: no gigabitSA9 1XT: no gigabitSA9 1XU: no gigabitSA9 1XW: no gigabitSA9 1XX: no gigabitSA9 1YG: no gigabitSA9 1YH: no gigabitSA9 1YN: no gigabitSA9 2AH: no gigabitSA9 2BB: no gigabitSA9 2DG: no gigabitSA9 2EB: no gigabitSA9 2ED: no gigabitSA9 2FA: no gigabitSA9 2FB: no gigabitSA9 2FD: no gigabitSA9 2FE: no gigabitSA9 2FG: no gigabitSA9 2FH: no gigabitSA9 2FR: no gigabitSA9 2FX: no gigabitSA9 2FY: no gigabitSA9 2FZ: no gigabitSA9 2GA: no gigabitSA9 2GH: no gigabitSA9 2GN: no gigabitSA9 2GP: no gigabitSA9 2GQ: no gigabitSA9 2GR: no gigabitSA9 2GS: no gigabitSA9 2GX: no gigabitSA9 2HD: no gigabitSA9 2HW: no gigabitSA9 2JL: no gigabitSA9 2LP: no gigabitSA9 2PB: no gigabitSA9 2PD: no gigabitSA9 2PN: no gigabitSA9 2PP: no gigabitSA9 2QF: no gigabitSA9 2QH: no gigabitSA9 2QJ: no gigabitSA9 2QL: no gigabitSA9 2QQ: no gigabitSA9 2QT: no gigabitSA9 2QU: no gigabitSA9 2QX: no gigabitSA9 2QY: no gigabitSA9 2RA: no gigabitSA9 2RB: no gigabitSA9 2RH: no gigabitSA9 2RJ: no gigabitSA9 2RL: no gigabitSA9 2RN: no gigabitSA9 2RP: no gigabitSA9 2RQ: no gigabitSA9 2RR: no gigabitSA9 2RS: no gigabitSA9 2RT: no gigabitSA9 2RX: no gigabitSA9 2RY: no gigabitSA9 2SA: no gigabitSA9 2SB: no gigabitSA9 2SE: no gigabitSA9 2SY: no gigabitSA9 2TE: no gigabitSA9 2TJ: no gigabitSA9 2TT: no gigabitSA9 2TU: no gigabitSA9 2TW: no gigabitSA9 2UF: no gigabitSA9 2UL: no gigabitSA9 2UT: no gigabitSA9 2XR: no gigabitSA9 2XT: no gigabitSA9 2XY: no gigabitSA9 2YF: no gigabitSA9 2YG: no gigabitSA9 2YH: no gigabitSA9 2YJ: no gigabitSA9 2YN: no gigabitSA9 2YQ: no gigabitSA9 2YX: no gigabitSA9 1JP: no gigabitSA9 1JR: no gigabitSA9 1NU: no gigabitSA9 2EW: no gigabitSA9 2GW: no gigabitSA9 2LN: no gigabitSA9 2LW: no gigabitSA9 2SX: no gigabit YstalyferaYstradgynlaisSeven Sisters 26 postcodes without gigabit, outlined: this goes to SA9 1XN, the one nearest the middle of them26 postcodes without gigabit22 postcodes without gigabit, outlined: this goes to SA9 1JS, the one nearest the middle of them22 postcodes without gigabit21 postcodes without gigabit, outlined: this goes to SA9 1HX, the one nearest the middle of them21 postcodes without gigabit17 postcodes without gigabit, outlined: this goes to SA9 1RR, the one nearest the middle of them17 postcodes without gigabit12 postcodes without gigabit, outlined: this goes to SA9 2TJ, the one nearest the middle of them12 postcodes without gigabit Map of every postcode in SA9, by gigabit broadband Of the 554 postcodes in SA9 that ONS places, 231 have no home or business that can get gigabit, 92 have some that can, 228 can all get it and 3 have no Ofcom figure. 6 groups of postcodes without gigabit are outlined: 26 postcodes without gigabit; 22 postcodes without gigabit; 21 postcodes without gigabit; 21 postcodes without gigabit; 17 postcodes without gigabit; 12 postcodes without gigabit. Places named: Ystalyfera, Ystradgynlais. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A4109A465 YstalyferaYstradgynlais 22 postcodes without gigabit, outlined: this goes to SA9 1JS, the one nearest the middle of them22 postcodes without gigabit21 postcodes without gigabit, outlined: this goes to SA9 1HX, the one nearest the middle of them21 postcodes without gigabit21 postcodes without gigabit, outlined: this goes to SA9 2GJ, the one nearest the middle of them21 postcodes without gigabit
  • No home or business can get gigabit: 231
  • Some can get gigabit: 92
  • Every home and business can get gigabit: 228
  • Ofcom gives no figure: 3
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 554 postcodes in SA9 that ONS places, 231 have no home or business that can get gigabit, 92 have some that can, 228 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 180 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.

The middle of its postcodes: latitude 51.7814, longitude -3.7688. Open this area on OpenStreetMap

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

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

Where the postcodes without gigabit lie together

What broadband can you get in SA9?

Ofcom reports on 551 of the 554 postcodes in SA9. At 228 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit228 of 551
Postcodes where every home can get superfast486 of 551
Postcodes where some cannot get decent broadband1 of 551

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

What do homes sell for in SA9?

Homes in SA9 sold for a typical £165,000 in the 12 months to August 2026, across 137 sales, down 7.3% on the 12 months before, HM Land Registry's figures show.

£165,000 typical price, the 12 months to August 2026
£178,000 12 months to August 2025
▼ down 7.3% on the 12 months before
  • Detached £286,000 46 sales
  • Semi-detached £145,000 43 sales
  • Terraced £147,625 48 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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 SA9

Pick a sector, then a postcode. A sector is the district plus the next digit.

UK postcode format explained

Places in SA9

Towns and villages with postcodes in SA9, and how many each has here.

Who covers SA9

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Brecon, Radnor and Cwm Tawe521
  • Caerfyrddin33

Police force areas

  • Dyfed-Powys381
  • South Wales173

Next to SA9

"Next to" is by number: the districts before and after SA9 in the SA area.

Check a postcode

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