Council tax bands in Carmarthenshire
Carmarthenshire is a billing authority in Wales. Band-D Council Tax for 2026-27 is £2,351 per year — that's the headline rate the bands above and below scale from.
- Band-D charge: £2,351 per year (2026-27)
- Domestic properties: 89,690
- Most common band: Band B (27.3% of homes)
- Homes in bands A–C: 58.6%
- Local challenge success rate: 41.7%
Council tax by band in Carmarthenshire (2026-27)
Every band is a fixed proportion of the Band-D charge (£2,351), so here's the full ladder for Carmarthenshire — your exact bill can vary slightly with any parish or town precept.
| Band | Council tax (2026-27) |
|---|---|
| Band A | £1,567 per year |
| Band B (most common) | £1,829 per year |
| Band C | £2,090 per year |
| Band D | £2,351 per year |
| Band E | £2,873 per year |
| Band F | £3,396 per year |
| Band G | £3,918 per year |
| Band H | £4,702 per year |
| Band I | £5,486 per year |
Derived from the 2026-27 Band-D charge using the statutory band proportions (sixths-to-eighteenths of Band D). Source: StatsWales (Open Government Licence v3.0).
Band distribution in Carmarthenshire
There are 89,690 domestic properties in Carmarthenshire , with Band B the most common (27.3% of homes).
Properties by council tax band
Source: VOA Council Tax Stock of Properties, March 2024 (Open Government Licence v3.0). Dashed markers show the England & Wales average for each band.
| Band | Properties | % in Carmarthenshire | England & Wales avg |
|---|---|---|---|
| Band A | 9,260 | 10.3% | 23.3% |
| Band B (most common) | 24,480 | 27.3% | 19.6% |
| Band C | 18,810 | 21% | 21.9% |
| Band D | 14,590 | 16.3% | 15.7% |
| Band E | 13,320 | 14.9% | 10% |
| Band F | 6,620 | 7.4% | 5.4% |
| Band G | 2,220 | 2.5% | 3.5% |
| Band H | 300 | 0.3% | 0.6% |
How Carmarthenshire compares to the national average
The bands that diverge most from the England & Wales average:
Bars scaled to a 50% axis. National averages: VOA stock, March 2024.
Council tax challenges in Carmarthenshire
Valuation Office records show 50 successful band challenges in Carmarthenshire in 2023-24. At an estimated £261 saved per year for each home moved one band lower, that's roughly £13,050 a year taken off local bills — and a home still in too high a band keeps overpaying every year until it's fixed.
In Carmarthenshire, 120 band challenges were resolved in 2023-24 , 41.7% of them resulting in a band reduction. Separately, 80 homes in Carmarthenshire were moved to a lower band last year through all corrections (a different count to challenges — not directly comparable).
Challenging rarely backfires. Across England & Wales, of the band reviews the Valuation Office resolved in 2023-24, about 41% ended in a lower band and fewer than 1% went up — the route BandCheck uses.
Source: VOA Council Tax: Challenges and Changes, 2023-24 (Open Government Licence v3.0). £ figure is an estimate — successful reductions × the one-band-lower saving; the actual amount per home varies by band.
Thinking of appealing? See how to challenge your band in Carmarthenshire →
Check your specific band
How to challenge your band in Carmarthenshire
Run the free check above first — it tells you whether the evidence actually supports a challenge, at no cost. If it does, the optional £4.99 appeal pack assembles a pre-filled Band Review email body, an evidence appendix listing comparable properties with sale prices from HM Land Registry, and (if you've moved in within the last six months) a pre-filled Council Tax Proposal Form (VO 7455 in England / Wales) you sign and post / email yourself. It's fully refunded if the Valuation Office rejects your challenge — just send us their written decision within 60 days.