SY25 postcode district: Wales

SY25 is a postcode district in Wales, with 218 postcodes in use in 1 sector. It is split between 2 councils: Ceredigion (217 postcodes) and Powys (1).

Postcodes in use
218
Sectors
1
Councils
2 councils
Places
None listed

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

Every postcode in SY25, and which are new since 2020

Map of every postcode in SY25, by new since 2020 Of the 218 postcodes in SY25 that ONS places, 1 are new since 2020 and 217 were in use before 2020. Places named: Tregaron and Ystrad Fflur, Llangeitho. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A485 SY25 6AA: before 2020SY25 6AB: before 2020SY25 6AD: before 2020SY25 6AE: before 2020SY25 6AF: before 2020SY25 6AG: before 2020SY25 6AH: before 2020SY25 6AJ: before 2020SY25 6AL: before 2020SY25 6AN: before 2020SY25 6AP: before 2020SY25 6AQ: before 2020SY25 6AR: before 2020SY25 6AS: before 2020SY25 6AT: before 2020SY25 6AU: before 2020SY25 6AW: before 2020SY25 6AX: before 2020SY25 6AY: before 2020SY25 6AZ: before 2020SY25 6BA: before 2020SY25 6BE: before 2020SY25 6BJ: before 2020SY25 6BN: before 2020SY25 6BP: before 2020SY25 6BS: before 2020SY25 6BT: before 2020SY25 6DA: before 2020SY25 6DB: before 2020SY25 6DD: before 2020SY25 6DE: before 2020SY25 6DF: before 2020SY25 6DG: before 2020SY25 6DH: before 2020SY25 6DJ: before 2020SY25 6DN: before 2020SY25 6DP: before 2020SY25 6DR: before 2020SY25 6DS: before 2020SY25 6DT: before 2020SY25 6DW: before 2020SY25 6DX: before 2020SY25 6ED: before 2020SY25 6EJ: before 2020SY25 6EL: before 2020SY25 6EP: before 2020SY25 6ER: before 2020SY25 6ES: before 2020SY25 6ET: before 2020SY25 6HA: before 2020SY25 6HD: before 2020SY25 6HG: before 2020SY25 6HH: before 2020SY25 6HL: before 2020SY25 6HN: before 2020SY25 6HP: before 2020SY25 6HQ: before 2020SY25 6HR: before 2020SY25 6HW: before 2020SY25 6HX: before 2020SY25 6HY: before 2020SY25 6JD: before 2020SY25 6JE: before 2020SY25 6JF: before 2020SY25 6JP: before 2020SY25 6JR: before 2020SY25 6JS: before 2020SY25 6JW: before 2020SY25 6JX: before 2020SY25 6JZ: before 2020SY25 6LA: before 2020SY25 6LG: before 2020SY25 6LH: before 2020SY25 6LJ: before 2020SY25 6LL: before 2020SY25 6LN: before 2020SY25 6LQ: before 2020SY25 6LR: before 2020SY25 6LS: before 2020SY25 6LT: before 2020SY25 6LU: before 2020SY25 6LW: before 2020SY25 6NB: before 2020SY25 6NG: before 2020SY25 6NH: before 2020SY25 6NJ: before 2020SY25 6NL: before 2020SY25 6NN: before 2020SY25 6NP: before 2020SY25 6NR: before 2020SY25 6NW: before 2020SY25 6NY: before 2020SY25 6NZ: before 2020SY25 6PA: before 2020SY25 6PB: before 2020SY25 6PD: before 2020SY25 6PE: before 2020SY25 6PF: before 2020SY25 6PG: before 2020SY25 6PH: before 2020SY25 6PP: before 2020SY25 6PQ: before 2020SY25 6PR: before 2020SY25 6PS: before 2020SY25 6PT: before 2020SY25 6PU: before 2020SY25 6PX: before 2020SY25 6PY: before 2020SY25 6PZ: before 2020SY25 6QA: before 2020SY25 6QB: before 2020SY25 6QE: before 2020SY25 6QF: before 2020SY25 6QG: before 2020SY25 6QH: before 2020SY25 6QJ: before 2020SY25 6QL: before 2020SY25 6QQ: before 2020SY25 6QS: before 2020SY25 6QT: before 2020SY25 6QU: before 2020SY25 6QX: before 2020SY25 6QY: before 2020SY25 6QZ: before 2020SY25 6RA: before 2020SY25 6RB: before 2020SY25 6RD: before 2020SY25 6RE: before 2020SY25 6RF: before 2020SY25 6RL: before 2020SY25 6RN: before 2020SY25 6RP: before 2020SY25 6RT: before 2020SY25 6SB: before 2020SY25 6SH: before 2020SY25 6SJ: before 2020SY25 6SL: before 2020SY25 6SU: before 2020SY25 6SW: before 2020SY25 6SX: before 2020SY25 6SY: before 2020SY25 6SZ: before 2020SY25 6TA: before 2020SY25 6TB: before 2020SY25 6TD: before 2020SY25 6TE: before 2020SY25 6TF: before 2020SY25 6TL: before 2020SY25 6TN: before 2020SY25 6TP: before 2020SY25 6TR: before 2020SY25 6TS: before 2020SY25 6TT: before 2020SY25 6TU: before 2020SY25 6TX: before 2020SY25 6TY: before 2020SY25 6TZ: before 2020SY25 6UG: before 2020SY25 6UH: before 2020SY25 6UJ: before 2020SY25 6UL: before 2020SY25 6UN: before 2020SY25 6UP: before 2020SY25 6UQ: before 2020SY25 6UR: before 2020SY25 6UT: before 2020SY25 6UU: before 2020SY25 6UW: before 2020SY25 6BF: new since 2020 Tregaron and Ystrad FflurLlangeitho Map of every postcode in SY25, by new since 2020 Of the 218 postcodes in SY25 that ONS places, 1 are new since 2020 and 217 were in use before 2020. Places named: Tregaron and Ystrad Fflur, Llangeitho. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. Tregaron and Ystrad FflurLlangeitho
  • New since 2020: 1
  • In use before 2020: 217

Of the 218 postcodes in SY25 that ONS places, 1 are new since 2020 and 217 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. Names in italics are council wards: we hold no town or village names here.

The middle of its postcodes: latitude 52.2382, longitude -3.9367. 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; 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

The newest postcode

SY25 6BFMarch 2026

What broadband can you get in SY25?

Ofcom reports on 216 of the 218 postcodes in SY25. At 71 of them every home and business can get gigabit broadband, and at 49 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit71 of 216
Postcodes where every home can get superfast112 of 216
Postcodes where some cannot get decent broadband49 of 216

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 SY25?

Homes in SY25 sold for a typical £219,000 in the 12 months to August 2026, across 56 sales, up 23.4% on the 12 months before, HM Land Registry's figures show.

£219,000 typical price, the 12 months to August 2026
£177,500 12 months to August 2025
▲ up 23.4% on the 12 months before
  • Detached £317,600 34 sales
  • Semi-detached £177,500 12 sales
  • Terraced £125,000 10 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 SY25

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

SY25 6218 postcodes
UK postcode format explained

Places in SY25

We list no town or village for SY25. A place gets a page here only when enough postcodes are in one: a town or village here is a built-up area named by the Office for National Statistics in England and Wales, or a census locality named by National Records of Scotland. Every SY25 postcode is here, under its sector above.

Who covers SY25

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

  • Ceredigion Preseli217
  • Brecon, Radnor and Cwm Tawe1

Police force areas

  • Dyfed-Powys218

Next to SY25

SY24 postcode district SY99 postcode district All SY districts

"Next to" is by number: the districts before and after SY25 in the SY area.

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