Council tax band I · Wales only

How much is council tax Band I?

Typical annual bill around £5,320 on the national average Band D charge of £2,280. Band I is Wales-only, added at the 2003 revaluation for homes valued over £424,000. Bill is 21/9ths of Band D.

Check every band on your street in seconds — free.

Ratio to Band D
2.3333

Every Band I bill is exactly 2.333 × your local Band D charge.

2003 value range
Over £424,000

What the VOA thinks your home was worth on the valuation date.

Typical properties

The most valuable homes in Wales — coastal estates, large detached homes in Cardiff and the Vale of Glamorgan.

Cheapest Band I councils (2025/26)

CouncilBand I
Newport£4,503
Wrexham£4,550
Flintshire£4,853
Cardiff£4,935
Vale of Glamorgan£4,935

Most expensive Band I councils (2025/26)

CouncilBand I
Neath Port Talbot£5,833
Rhondda Cynon Taf£5,600
Bridgend£5,413
Caerphilly£5,063
Swansea£4,982

Ranked from 10 tracked councils across England, Wales, and Scotland (2025/26 Band D charges × the statutory Band I ratio; Scotland uses its own E–H multipliers). Not every UK authority is included — see the checker for your specific council.

Is your home in the right band?

The Valuation Office Agency estimates that around 4% of homes in England and Wales are in the wrong band — most of them one band too high. The quickest test: compare your band to neighbours in identical properties. If theirs is lower, yours is likely appealable.