Ok, Tax Credits:
Working Tax Credits:
Basic element£1,920
Couple and lone parent element £1,970
30 hour element £790
Total: £4680
Childcare element:
£46 per week (your actual fee) x 70% = £32.22
Child Tax Credits:
Child Tax Credit Family element £545
Child element £2,720
Total: £3260
Grand total: £4680 + £32.22 + £2720 = £7432.22
Then the deductions:
£30,000 (your income) - £6420 (allowance) = £23,580
Withdrawal rate is 41%, so £23,580 x 41%= £9667.80
£7432.22-£9667.80 = -£2235.58 = £0.
So you'll get tax credits this year, as your income was lower because you were on maternity leave, but once you've been back at your normal wage, the following renewal will see your tax credits drop to £0.
Housing benefit:
Couples Allowance: £112.55
Family Premium: £17.40
Earnings disregard: £10
Child allowance: £65.62
30 hr disregard (WTC) £17.10
Child care costs disregard: £46
Total allowances: £268.67
Income: £23217.76 (after tax/NI) = £446.50
£446.50 - 268.67 =£177.83 'excess'
65% deduction rate for excess = 177.83-65% = £115.59
£115.59 is what you should pay towards your rent, so about £138.00 in housing benefit should be payable.
That's if your rent is within the allowance set by your LA. There are 3 BRMA (broad rental market areas) within Hounslow, ranging from £219pw -£295pw Local Housing Allowance for a 2 bed house lha-direct.voa.gov.uk/SearchResults.aspx?LocalAuthorityId=18&LHACategory=2&Month=12&Year=2013&SearchPageParameters=true