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Calculate nutrient budgets for developments in the catchment of Solent.
Guidance and calculators for working out nutrient budgets for proposed developments on 27 specific habitats sites.
How to use the calculators to work out a nutrient budget for residential developments in nutrient neutrality catchments.
Calculate nutrient budgets for developments in the catchment of Lindisfarne SPA.
Use these calculators and tax tables to check payroll tax, National Insurance contributions and student loan deductions if you're an employer.
Calculate value build-up costs for use with the Single Administrative Document (SAD) using form C89.
Calculate nutrient budgets for developments in the catchment of Teesmouth SPA, Ramsar.
Calculate the deemed employment payment for private sector engagements where the off-payroll working rules (often known as IR35) apply.
Check examples to help you calculate your employee's wages, National Insurance contributions and pension contributions if you're claiming through the Coronavirus Job Retention Scheme.
Calculate nutrient budgets for developments in the catchment of Stodmarsh SAC, Ramsar.
Use this form to work out Income Tax, interest, penalties and Class 4 National Insurance contributions for tax years ending 5 April 2010 to 5 April 2023.
Calculate nutrient budgets for developments in the catchment of Somerset Levels and Moors Ramsar.
Calculate nutrient budgets for developments in the catchment of The Broads SAC.
Find out about partial exemption and the methods and calculations to use to see how much input tax you can recover.
Includes rates calculator and guidance for claims in civil matters.
Calculate nutrient budgets for developments in the catchment of Rostherne Mere Ramsar.
Find out how interest is calculated and applied if you have a Plan 1 student loan, as well as previous interest rates.
Use supplementary pages SA110 to record the results of your tax calculation on your SA100 Tax Return.
What to do if you need to pay more tax or you're due a refund, including P800 tax calculations from HM Revenue and Customs (HMRC).
If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
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