From the Penn Report on public sector remuneration

In full here 

http://wales.gov.uk/docs/dsjlg/publications/localgov/111214irp11reporten.pdf
An annual Basic Salary shall be paid to all members as follows:
Local Authority (LA)
National Park authority (NPA)
Welsh fire and rescue authority (FRA)
£13,175
£ 3,550
£ 1,350
Senior Salaries (see note 1)
Where a Council decides to pay a Senior Salary it shall be paid at the following
prescribed annual levels:
Band 1 Leader (LA Group A) £52 (Cardiff, Rhondda CynonTaf, Swansea)
Leader (LA Group B) £47 (Bridgend, Caerpilly,Carmarthenshire,Conwy, Flintshire,Gwynedd, Newort,Neath Port Talbot,Pembrokeshire,Powys, Vale ofGlamorgan,Wrexham)
Leader (LA Group C) £42,300 (Blaenau Gwent, Ceredigion,Denbighshire,Merthyr Tydfil,
Monmouthshire,Torfaen)
Deputy Leader (LA Group A) £37,100 (as above)
Deputy Leader (LA Group B) £33,460 (as above)
Deputy Leader (LA Group C) £29,820 (as above)
Band 2 Other Executive (LA Group A) £31,900 (as above)
Other Executive (LA Group B) £28,780 (as above)
Other Executive (LA Group C) £25,660 (as above)
Band 3 Committee Chairs (LA) £21,910
Group Leader (LA) £21,910 (Leader of larger opposition groups
Chair of NPA £8,875 (Brecon Beacon ,Pembrokeshire,Snowdonia)
Chair of Welsh FRA £10,085 (Mid and West Wales,North Wales,South)
Band 4 Group Leader (LA) £16 (Leader of political groups not less than 10% of all
council members )
Read full report for rationale and detail