Cashflow modelling: how the retirement planner works
How does the Life Cashflow planner work out a retirement plan?
Reviewed · Tax year 2026/27
Guides
Guides to UK retirement tax, pensions and planning
Short answers first, then the detail. Every guide is checked against the tax year it covers and links to its sources.
Featured guides
How pension and investment fees add up over time
How do percentage charges on pensions and investments add up over time?
Reviewed · Tax year 2026/27
Pension drawdown, tax-free cash and the State Pension
How does the Life Cashflow planner model pension drawdown, tax-free cash and the State Pension?
Reviewed · Tax year 2026/27
Income tax and National Insurance
UK tax rates and allowances 2026/27 used by the planner
Which UK tax rules and rates does the Life Cashflow planner use?
Reviewed · Tax year 2026/27
What is the Lump Sum Allowance? The £268,275 cap on tax-free cash
What is the Lump Sum Allowance?
Reviewed · Tax year 2026/27
What the Life Cashflow model calculates year by year, the assumptions it makes, and what it leaves out.
Cashflow modelling: how the retirement planner works
How does the Life Cashflow planner work out a retirement plan?
Reviewed · Tax year 2026/27
What the planner simplifies or leaves out
What does the Life Cashflow planner simplify or leave out?
Reviewed · Tax year 2026/27
How UK income tax, National Insurance, savings, dividends, property income and capital gains are taxed, with the figures for each tax year.
How much tax will I pay on my pension? A 2026/27 example
How is pension income taxed in the UK, and how much tax will I pay on my pension?
Reviewed · Tax year 2026/27
UK tax rates and allowances 2026/27 used by the planner
Which UK tax rules and rates does the Life Cashflow planner use?
Reviewed · Tax year 2026/27
What is the 60% tax trap? The £100k tax trap explained
What is the 60% tax trap?
Reviewed · Tax year 2026/27
Contributions, allowances, tax-free cash, access ages, final salary pensions, annuities and the State Pension.
How long will my pension pot last? A £300,000 example
How long will my pension pot last?
Reviewed · Tax year 2026/27
Pension drawdown, tax-free cash and the State Pension
How does the Life Cashflow planner model pension drawdown, tax-free cash and the State Pension?
Reviewed · Tax year 2026/27
What is the Lump Sum Allowance? The £268,275 cap on tax-free cash
What is the Lump Sum Allowance?
Reviewed · Tax year 2026/27
When can I retire? Retiring at 55 vs 67, year by year
When can I retire, and what does retiring at 55 compared with 67 look like?
Reviewed · Tax year 2026/27
How percentage charges on pensions and investments add up, and how ISAs, general investment accounts and growth assumptions fit in.
How pension and investment fees add up over time
How do percentage charges on pensions and investments add up over time?
Reviewed · Tax year 2026/27
How two people are taxed separately, what changes after a first death, and how inheritance tax is estimated.
Couples and inheritance tax: what changes after a first death
How does the Life Cashflow planner handle couples and inheritance tax?
Reviewed · Tax year 2026/27
Inheritance tax on pensions from April 2027: what changes
Will my pension be subject to inheritance tax from April 2027?
Reviewed · Tax year 2026/27
What happens to a pension when a partner dies?
What happens to my pension when I die, and what does my partner get?
Reviewed · Tax year 2026/27
How free guidance differs from regulated advice in the UK, and how to check a firm.
Financial guidance or advice? How they differ and how to check a firm
What is the difference between financial guidance and financial advice in the UK?
Reviewed · Tax year 2026/27
Glossary
Plain-English definitions of 28 tax and pension terms. Open the glossary.