Band I council tax 2026/27 in Wales: from £4,697.42 to £6,051.73 a year

Only Wales has a Band I. Across its 22 councils, Band I costs least in Cardiff (£4,697.42 a year) and most in Merthyr Tydfil (£6,051.73), a gap of £1,354.31. In every Welsh council, Band I is 233% of the Band D charge.

Band I in your council

Cardiff: Band I costs £4,697.42 a year, £469.74 over 10 payments or £391.45 over 12. It is 1st of 22 councils, cheapest first. 0.9% of its homes are in Band I.

Band I in all 22 councils, cheapest first

Rank	Council	Nation	A year	Over 12 payments	Homes in Band I
1	Cardiff	Wales	£4,697.42	£391.45	0.9%
2	Caerphilly	Wales	£4,860.05	£405.00	under 0.1%
3	Newport	Wales	£4,873.12	£406.09	0.3%
4	Torfaen	Wales	£5,029.92	£419.16	under 0.1%
5	Pembrokeshire	Wales	£5,054.35	£421.20	0.1%
6	Vale of Glamorgan	Wales	£5,206.93	£433.91	2%
7	Swansea	Wales	£5,222.68	£435.22	0.5%
8	Isle of Anglesey	Wales	£5,275.04	£439.59	0.2%
9	Rhondda Cynon Taf	Wales	£5,342.00	£445.17	under 0.1%
10	Wrexham	Wales	£5,387.39	£448.95	0.5%
11	Denbighshire	Wales	£5,457.74	£454.81	0.4%
12	Carmarthenshire	Wales	£5,486.13	£457.18	under 0.1%
13	Powys	Wales	£5,487.35	£457.28	0.3%
14	Flintshire	Wales	£5,544.40	£462.03	0.3%
15	Monmouthshire	Wales	£5,638.50	£469.88	2%
16	Ceredigion	Wales	£5,645.38	£470.45	under 0.1%
17	Gwynedd	Wales	£5,760.46	£480.04	0.1%
18	Conwy	Wales	£5,769.91	£480.83	0.3%
19	Bridgend	Wales	£5,781.98	£481.83	0.2%
20	Blaenau Gwent	Wales	£5,906.27	£492.19	under 0.1%
21	Neath Port Talbot	Wales	£5,929.91	£494.16	under 0.1%
22	Merthyr Tydfil	Wales	£6,051.73	£504.31	under 0.1%

Shares of homes leave out councils where the source does not publish the count for Band I. Monthly figures divide the yearly charge, rounded to the penny.

Councils where Band I is the most common band

Band I is the most common band in none of the 20 councils that publish the count of every band.

Where Band I is most common

The 22 councils with the largest share of homes in Band I, 3 of them at least 1.5 times their nation’s share:

Vale of Glamorgan 2%, Monmouthshire 2%, Cardiff 0.9%, Swansea 0.5%, Wrexham 0.5%, Denbighshire 0.4%, Powys 0.3%, Flintshire 0.3%, Conwy 0.3%, Newport 0.3%, Bridgend 0.2%, Isle of Anglesey 0.2%, Gwynedd 0.1%, Pembrokeshire 0.1%, Caerphilly under 0.1%, Carmarthenshire under 0.1%, Torfaen under 0.1%, Rhondda Cynon Taf under 0.1%, Blaenau Gwent under 0.1%, Ceredigion under 0.1%, Merthyr Tydfil under 0.1%, Neath Port Talbot under 0.1%.

The most homes in Band I

Council	Homes
Cardiff	1,490
Vale of Glamorgan	1,060
Monmouthshire	670
Swansea	550
Wrexham	290
Flintshire	220
Powys	210
Newport	190
Denbighshire	170
Conwy	160
Bridgend	110
Gwynedd	90
Pembrokeshire	90
Caerphilly	80
Carmarthenshire	70
Rhondda Cynon Taf	70
Isle of Anglesey	60
Torfaen	30
Blaenau Gwent	20
Ceredigion	20
Neath Port Talbot	20
Merthyr Tydfil	10