Carmarthenshire Council Tax 2026/2027

Official municipal billing authority: Carmarthenshire Council (Unitary Authority (Wales)) in Wales, Wales. Administering 14 postcode districts under Council Tax (Wales 2003/2026 Revaluation Bands A-I).

Band D Base Annual£1,849.05100% Consistent Base

YoY Annual Increase+4.9%+£86.37 vs 2025/26

Regional Rank (Wales)#6 of 22In Wales

Postcodes Monitored14Postcode Districts

Statutory Tariff Table: Carmarthenshire

Full annual fees and discounted rates applicable across all 14 outcodes in this authority.

10 & 12 Monthly Direct Debit

Valuation Band	Full Annual (£)	10-Mo Direct Debit	12-Mo Installment	Single Person (-25%)	Single 10-Mo
Band A	£1,232.70	£123.27/mo	£102.73/mo	£924.53	£92.45/mo
Band B	£1,438.15	£143.82/mo	£119.85/mo	£1,078.61	£107.86/mo
Band C	£1,643.60	£164.36/mo	£136.97/mo	£1,232.70	£123.27/mo
Band DBenchmark	£1,849.05	£184.91/mo	£154.09/mo	£1,386.79	£138.68/mo
Band E	£2,259.95	£226.00/mo	£188.33/mo	£1,694.96	£169.50/mo
Band F	£2,670.85	£267.09/mo	£222.57/mo	£2,003.14	£200.31/mo
Band G	£3,081.75	£308.18/mo	£256.81/mo	£2,311.31	£231.13/mo
Band H	£3,698.10	£369.81/mo	£308.18/mo	£2,773.58	£277.36/mo
Band I	£4,314.45	£431.45/mo	£359.54/mo	£3,235.84	£323.58/mo

2026/27 Statistical Rank & Regional Benchmark

Deterministic mathematical comparisons against statutory Wales benchmarks and regional council tax league averages.

Fiscal Year 2026/2027

1. Benchmark & Regional Delta+£119.75vs Wales average Band D (£1729)

Carmarthenshire Band D is +6.9% higher than the statutory Wales benchmark. Cumulative 5-year difference: +£598.75.

Regional mean in Wales: £1729.30 (+£119.75).

2. Wales StandingRank #6 of 22 in WalesTop 27% highest Band D in Wales

Within Wales, Carmarthenshire ranks #6 of 22 billing authorities for Band D charges.

Nation Percentile: 27th percentile in Wales.

3. Direct Debit Installment Options£184.91 / 10 mosor £154.09 / 12 months

Switching from the default 10-installment plan to the statutory 12-month schedule lowers your monthly bill by £30.82 / month, spreading cash outflows across February and March.

Local authorities are legally required to grant 12-month billing upon written or online request.

Nearby Authorities in Wales: Cheaper vs Pricier Alternatives

Cheaper Neighbouring Councils in Wales:

Newport

Save £6.45/yrBand D: £1842.60 (-0.3%)

Conwy

Save £8.37/yrBand D: £1840.68 (-0.5%)

Merthyr Tydfil

Save £19.46/yrBand D: £1829.59 (-1.1%)

Higher-Tariff Neighbouring Councils in Wales:

Rhondda Cynon Taf

+£18.42/yrBand D: £1867.47 (+1%)

Denbighshire

+£32.29/yrBand D: £1881.34 (+1.7%)

Powys

+£38.02/yrBand D: £1887.07 (+2.1%)

Who Sets Your Bill: Precepting Authority Structure

Statutory breakdown structure for Council Tax levied across Carmarthenshire (Carmarthenshire Council).

Statutory Local Tiers

Welsh Unitary Authority & Police Precept Structure

Your council tax in Carmarthenshire combines charges set by:

Carmarthenshire Council: Covers all local authority services, schools, and social care.
Police & Crime Commissioner: Regional police precept set for your territorial police area.
Community / Town Council: A community precept where a local community council is established.

Official Bill Verification: Exact statutory line-by-line pound allocations are itemised on your annual Council Tax Demand Notice issued each March. For specific budget schedules, consult Carmarthenshire Council's official 2026/27 council tax resolution.