Wales | Principal area
Council Tax Bands in Carmarthenshire 2026/27
Band D 2026/27
£2,351.20
+£119.14 (+5.3%) vs 2025/26
Full band A to I council tax rates for Carmarthenshire from 1 April 2026. Wales has 9 bands based on 2003 property values.
Quick answer
Council tax bands in Carmarthenshire for 2026/27 run from £1,567.47 (Band A) to £5,486.13 (Band I), with the Band D reference rate set at £2,351.20 (up 5.3% on 2025/26). All nine bands (A to I) are fixed fractions of Band D; the full rate table with monthly figures is below.
Band A to I Rate Table - Carmarthenshire 2026/27
| Band | Annual rate | Monthly (10 mths) |
|---|---|---|
| ABand A | £1,567.47 | £156.75 |
| BBand B | £1,828.71 | £182.87 |
| CBand C | £2,089.96 | £209.00 |
| DBand D | £2,351.20 | £235.12 |
| EBand E | £2,873.69 | £287.37 |
| FBand F | £3,396.18 | £339.62 |
| GBand G | £3,918.67 | £391.87 |
| HBand H | £4,702.40 | £470.24 |
| IBand I | £5,486.13 | £548.61 |
Source: Council Tax levels: April 2026 to March 2027, Welsh Government (Accredited official statistics). Table 1 (band D breakdown) and Table 2 (changes to average band D). Snapshot: 2026-27 tables, published 24 March 2026. Published under the Open Government Licence v3.0. Monthly figures are the annual rate divided over the standard 10-instalment plan and the 12-month direct debit option.
What Makes Up the £2,351.20 Bill
A Band D bill in Carmarthenshire is not one charge. It is 3 separate charges set by 3 different bodies and collected together. The largest is Carmarthenshire county element at £1,830.97, which is 78% of the total.
| Charged by | Band D element | Share of bill |
|---|---|---|
| Carmarthenshire county element | £1,830.97 | 77.9% |
| Dyfed Powys police precept | £387.63 | 16.5% |
| Town and community councils (average) | £132.60 | 5.6% |
| Total Band D | £2,351.20 | 100% |
The community council element is an average across the area; the exact amount depends on which town or community council a property sits in.
Registry Record for Carmarthenshire
Authority type
Principal area
Average per dwelling
£2,071.28
Police area
Dyfed Powys
Band D rank in Wales
11 of 22
Registry snapshot
24 March 2026
Carmarthenshire is a principal area in Wales. Its Band D rate ranks 11 of 22 in Wales.
Year-on-Year Change
Band D 2025/26
£2,232.06
Band D 2026/27
£2,351.20
Annual increase
+£119.14 (+5.3%)
Carmarthenshire's Band D rate increased by £119.14 (5.3%) in 2026/27 compared with the previous year. Wales does not operate England's council tax referendum limit; Welsh councils set their own increases, though the Welsh Government keeps a reserve power to cap rises.
Carmarthenshire Against the Rest of Wales
Across the 22 billing authorities in Wales, Band D for 2026/27 runs from Cardiff at £2,013.18 to Merthyr Tydfil at £2,593.60, a spread of £580.42. The regional mean is £2,326.14, so Carmarthenshire sits £25.06 above it. See the full Wales table.
Closest Wales authorities by Band D
| Council | Band D 2026/27 |
|---|---|
| Powys | £2,351.72 |
| Denbighshire | £2,339.03 |
| Flintshire | £2,376.17 |
| Wrexham | £2,308.88 |
| Rhondda Cynon Taf | £2,289.43 |
| Monmouthshire | £2,416.50 |
How Band Rates Are Worked Out in Carmarthenshire
Like every billing authority, Carmarthenshire sets a single Band D rate each year. All other bands are then calculated as fixed fractions of that rate, set nationally by central government. The fractions are expressed in ninths:
| Band | Fraction of Band D | Calculation | 2026/27 rate |
|---|---|---|---|
| Band A | 6/9 | £2,351.20 x 6/9 | £1,567.47 |
| Band B | 7/9 | £2,351.20 x 7/9 | £1,828.71 |
| Band C | 8/9 | £2,351.20 x 8/9 | £2,089.96 |
| Band D | 9/9 | Baseline rate | £2,351.20 |
| Band E | 11/9 | £2,351.20 x 11/9 | £2,873.69 |
| Band F | 13/9 | £2,351.20 x 13/9 | £3,396.18 |
| Band G | 15/9 | £2,351.20 x 15/9 | £3,918.67 |
| Band H | 18/9 | £2,351.20 x 18/9 | £4,702.40 |
| Band I | 21/9 | £2,351.20 x 21/9 | £5,486.13 |
Contact your council in Carmarthenshire
For billing enquiries, payment arrangements, discounts, or to report a change in your circumstances, contact the billing authority for Carmarthenshire directly.
Find contact details on GOV.UKRelated Guides
Carmarthenshire Council Tax: Frequently Asked Questions
How much is Band D council tax in Carmarthenshire for 2026/27?
How much is council tax Band A in Carmarthenshire for 2026/27?
How much is council tax Band B in Carmarthenshire for 2026/27?
How much is council tax Band C in Carmarthenshire for 2026/27?
How much is council tax Band E in Carmarthenshire for 2026/27?
What are all nine council tax bands in Carmarthenshire?
How much did council tax rise in Carmarthenshire this year?
Where does council tax in Carmarthenshire actually go?
Is council tax in Carmarthenshire higher or lower than the rest of Wales?
When do I pay council tax to the billing authority for Carmarthenshire?
What discounts are available on council tax in Carmarthenshire?
How do I check my council tax band in Carmarthenshire?
Figures are the 2026/27 tax year, in force from 1 April 2026, as published by Welsh Government on 24 March 2026. The 2027/28 tables are due in spring 2027.