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Council tax in Carmarthenshire

Welsh council

West Wales. 190,037 people (mid-2025 estimate) in 2,371 square kilometres.

2 layers about council tax for Carmarthenshire, each at the level its publisher released it, with its own date and source.

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Band A homes by neighbourhood

Council Tax: stock of properties · 2026

Under 2%50% or more

Carmarthenshire’s 111 neighbourhoods range from 0.8% to 49.3%.

Band D council tax

CouncilGreat Britain only
£2,351.20
MHCLG and Welsh Government and Scottish Government · 2026/27

Band D council tax in Carmarthenshire is £2,351.20 for 2026/27.

That is 3% higher than the Wales average of £2,283.08.

It rose 5.3% on the year before.

Carmarthenshire has the 11th most expensive Band D council tax in Wales.

Against Wales
3% higher£2,283.08
Band D council tax: Carmarthenshire among every council350 areas from £1,028 to £2,765. The middle area is £2,415. Carmarthenshire is £2,351.

Council tax by band in Carmarthenshire, 2026/27

BandYearly billShare of homes, March 2026
Band A£1,567.4710.4%
Band B£1,828.7127.2%
Band C£2,089.9621.0%
Band D£2,351.2016.3%
Band E£2,873.6914.9%
Band F£3,396.187.4%
Band G£3,918.672.5%
Band H£4,702.400.3%
Band I£5,486.130.1%

Worked out by Open Index from the Band D figure and the band ratios set in law.

You get 25% off if you live on your own, or if everyone else in your home is disregarded (full-time students, for example).

Share of homes: Valuation Office Agency, Council Tax: stock of properties, at 31 March 2026.

Annual council tax change

CouncilGreat Britain only
5.3%
Worked out by Open Index · 2026/27

Band D council tax in Carmarthenshire changed by 5.3% on the year before, for 2026/27.

Worked out by Open Index from the Band D council tax figures.

Against Wales
2% higher5.2%
Annual council tax change: Carmarthenshire among every council350 areas from 2.5% to 10.0%. The middle area is 4.9%. Carmarthenshire is 5.3%.