"It is the duty of the Office to examine and report on the sustainability of the public finances"
We have published an update to the Welsh taxes outlook with new forecasts for land transaction tax and landfill disposals tax receipts, alongside evaluations of our previous forecasts including for the Welsh rates of income tax.
The report is available in English and Welsh.
Information or data which has been released alongside the Economic and fiscal outlook or as a result of external requests, since the original publication of the main document.
In accordance with the fiscal framework agreed by the Welsh and UK Governments, we are formally commissioned by the Welsh Government to produce independent forecasts for devolved Welsh taxes alongside its Draft Budgets. On 10 December we published our forecasts for devolved Welsh taxes in our 2024 Welsh taxes outlook (WTO).
The report is available in English and Welsh language.
In accordance with the fiscal framework agreed by the Welsh and UK Governments, we are formally commissioned by the Welsh Government to produce independent forecasts for devolved Welsh taxes alongside its Draft Budgets.
Our 2024 Welsh taxes outlook (WTO) was published alongside the Welsh Government’s Draft Budget for 2025-26 and sets out our forecast for each of the devolved Welsh taxes: Welsh rates of income tax, land transaction tax and landfill disposal tax.
On 20 February we published an update to the Welsh taxes outlook with new forecasts for land transaction tax and landfill disposals tax receipts, including evaluations of our previous forecasts including for the Welsh rates of income tax.
Yn unol â’r fframwaith cyllidol y cytunwyd arno gan Lywodraethau Cymru a’r DU, rydym yn cael ein comisiynu’n ffurfiol gan Lywodraeth Cymru i gynhyrchu rhagolygon annibynnol ar gyfer trethi datganoledig Cymru ochr yn ochr â’i Chyllidebau Drafft.
Cyhoeddwyd ein 2024 rhagolwg trethi Cymru (RTC) ochr yn ochr â Chyllideb Ddrafft Llywodraeth Cymru ar gyfer 2025-26 ac mae’n nodi ein rhagolwg ar gyfer pob un o drethi datganoledig Cymru: Cyfraddau treth incwm Cymru, treth trafodiadau tir a threth dirlenwi Cymru.
Ar 20 Chwefror, fe wnaethom gyhoeddi diweddariad i ragolygon trethi Cymru gyda rhagolygon newydd ar gyfer y dreth trafodiadau tir a derbyniadau’r dreth gwarediadau tirlenwi, gan gynnwys gwerthusiadau o’n rhagolygon blaenorol gan gynnwys cyfraddau treth incwm Cymru.