以下为纯转帖:关于个人所得税税率变化。
Income Tax, N.I. and Tax Credit rates for 2008-2009 in the UK
The government has published the 2008-2009 rates and allowances for Income Tax and National Insurance Contributions. 
Gov官方网站的信息:
http://www.direct.gov.uk/en/Nl1/Newsroom/Budget2008/DG_072925
  
从08年4月份开始的2008/09税年,
英国税收政策的变化,Tax free Allowances从07-08税年(age under 65)的£5,225调整为£5,435
也就是说 每年有 £5,435的收入是不需要缴税的,比上一税年增加 +£210
Income Tax personal allowances £ per year (unless stated)                                                                                                         2007-08                                                                                                         Change                                                                                                         2008-09                                                 
                                                                                                 Personal allowance (age under 65)                                                                                                         £5,225                                                                                                         +£210                                                                                                         £5,435 
   
Income tax - taxable bands                
The starting rate of IncomeTax has been abolished and the basic rate has been cut from 22% to 20%creating a simpler structure of two rates .The tax bands have increasedin line with indexation.                                                                                                                                 2007-08                                                                                                         £ per year                                                                                                         2008-09                                                                                                         £ per year                                                 
                                                                                                 Starting rate: 10%                                                                                                         £0-£2,230                                                                                                          Abolished                                                                                                          -                                                 
                                                                                                 Basic rate: 22%                                                                                                         £2,231-£34,600                                                                                                         Basic rate: 20%                                                                                                         £0-£36,000                                                 
                                                                                                 Higher rate: 40%                                                                                                         Over £34,600                                                                                                         Higher rate: 40%                                                                                                         Over £36,000 
基本税率 (应该大部分人是 Basic的吧 。。。) 从 22% 调整到 20%。。。
    
When will the new tax rates take effect?Thenew basic rate of income tax (20%) will take effect from 6 April 2008.In early May information will be sent to employers telling them how andwhen to action any changes resulting from the Budget. In particular thetax band width changes announced in this Budget will feature in thefirst pension or pay packet on or after 18 May 2008, backdated to thestart of the tax year. 
2008年4月30日的新闻
Downing Street has dismissed calls for a rethink over the abolitionof the 10p income tax rate and denied it will offer concessions tocritics. ( 
http://news.bbc.co.uk/1/hi/uk_politics/7355901.stm )       
                                          
    EFFECTS OF TAX CHANGES                                                                                                                                                                                                    
                                                                                                                                                                                                                 Winners:
                                                                                                                                 Most people/ with incomes of £18,000+ 
Under £18,000 but aged 65+ and therefore eligible for higher personal allowances
Under £18,000 but with young children and therefore eligible for child tax credits
                                                                                                                                 Losers:
                                                                                                                                 Under £18,000 and ineligible for working tax credits because under 25
Retired early and therefore ineligible for higher personal allowances
Part-timer working insufficient hours to qualify for tax credits
                                                                                                                                 Different personal circumstances may affect final amounts
Source: PWC