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Council tax in Carmarthenshire 2026/27
£2,351a year for a Band D home in Carmarthenshire, 2026/27: £235 a month over ten instalments
A Band D home in Carmarthenshire pays £2,351.20 in council tax for 2026/27, up £119 (5.3%) on 2025/26. Band A pays £1,567 and Band I £5,486. Carmarthenshire ranks 11 of 22 councils in Wales (1 is the most expensive), £68 above the Wales average of £2,283.
Assumptions: financial year 2026/27; a Band D dwelling occupied by two adults with no discount or reduction. Welsh figures are the Welsh Government's average Band D including the average community council precept; the county council element includes fire authority levies. Bands A to I are derived from Band D by the statutory ratios, since the release publishes Band D only. Published 2026-03-24.
All 9 bands in Carmarthenshire
- Carmarthenshire (county or county borough council)
- Dyfed Powys Police
- Community council precept (average)
| Band | Value on 1 April 2003 | Ratio | A year | A month (10) | A month (12) | Change on 2025/26 |
|---|---|---|---|---|---|---|
| A | up to £44,000 | 6/9 | £1,567.47 | £156.75 | £130.62 | +£79.43 |
| B | £44,001 to £65,000 | 7/9 | £1,828.71 | £182.87 | £152.39 | +£92.66 |
| C | £65,001 to £91,000 | 8/9 | £2,089.96 | £209.00 | £174.16 | +£105.91 |
| Dreference band | £91,001 to £123,000 | 9/9 | £2,351.20 | £235.12 | £195.93 | +£119.14 |
| E | £123,001 to £162,000 | 11/9 | £2,873.69 | £287.37 | £239.47 | +£145.62 |
| F | £162,001 to £223,000 | 13/9 | £3,396.18 | £339.62 | £283.02 | +£172.09 |
| G | £223,001 to £324,000 | 15/9 | £3,918.67 | £391.87 | £326.56 | +£198.57 |
| H | £324,001 to £424,000 | 18/9 | £4,702.40 | £470.24 | £391.87 | +£238.28 |
| I | more than £424,000 | 21/9 | £5,486.13 | £548.61 | £457.18 | +£277.99 |
Wales has nine bands on 1 April 2003 values; Band I pays 21/9 of Band D. The change on 2025/26 applies each band's ratio to last year's Band D.
Who receives the money
- Carmarthenshire (county or county borough council)£1,830.97
- Dyfed Powys Police£387.63
- Community council precept (average)£132.60
- Band D council tax 2026/27£2,351.20
The county element rose 4.9% and the Dyfed Powys Police precept 7.5% on 2025/26. The community council element is the average across Carmarthenshire; individual town and community councils set their own precepts. The average bill per dwelling, after discounts and reductions, is £2,071.
Band D in Carmarthenshire, this year and last

Other councils in Wales
| Council | Band A | Band D | Band I | Change |
|---|---|---|---|---|
| Carmarthenshire | £1,567 | £2,351 | £5,486 | +5.3% |
| Denbighshire | £1,559 | £2,339 | £5,458 | +5.5% |
| Flintshire | £1,584 | £2,376 | £5,544 | +5.8% |
| Monmouthshire | £1,611 | £2,417 | £5,639 | +6.1% |
| Powys | £1,568 | £2,352 | £5,487 | +5.3% |
| Rhondda Cynon Taf | £1,526 | £2,289 | £5,342 | +4.5% |
| Wrexham | £1,539 | £2,309 | £5,387 | +5.3% |
All 22 councils in Wales · England.
Questions about council tax in Carmarthenshire
How much is council tax in Carmarthenshire for a Band D home?
£2,351.20 a year in 2026/27, about £235 a month over ten instalments. That is +£119 (+5.3%) on 2025/26.
How much is council tax band A in Carmarthenshire?
Band A in Carmarthenshire is £1,567.47 a year in 2026/27, about £157 a month over ten instalments: 6/9 of the Band D figure of £2,351.
How much is council tax band B in Carmarthenshire?
Band B in Carmarthenshire is £1,828.71 a year in 2026/27, about £183 a month over ten instalments: 7/9 of the Band D figure of £2,351.
How much is council tax band C in Carmarthenshire?
Band C in Carmarthenshire is £2,089.96 a year in 2026/27, about £209 a month over ten instalments: 8/9 of the Band D figure of £2,351.
Is council tax in Carmarthenshire high for Wales?
Carmarthenshire ranks 11 of 22 Welsh councils on Band D (1 is the most expensive). Its £2,351 is £68 above the Wales average of £2,283.
Sources
- Welsh Government: Council Tax levels, April 2026 to March 2027 (statistical release, 24 March 2026) (accessed 2026-09-12) ✓ checked
- Welsh Government: Council Tax levels 2026-27 tables (Table 1 Band D breakdown, Table 2 change on 2025-26) (accessed 2026-09-12) ✓ checked
- Council Tax (Valuation Bands) (Wales) Order 2003, article 2 (nine bands, proportions 6 to 21 ninths) (accessed 2026-09-12) ✓ checked
Contains public sector information licensed under the Open Government Licence v3.0. How we calculate.
Council Tax Ledger shows the average area council tax for 2026/27 for a dwelling occupied by two adults with no discounts, as published by the Ministry of Housing, Communities and Local Government. Parish precepts vary within a district, so your bill may differ. Not financial advice.