SIPP Calculator Guide 2026
Calculate Your SIPP Projections
Estimate your retirement savings with tax relief contributions and investment growth projections.
Use CalculatorKey Takeaways
- Tax relief: Contributions get 20-45% relief based on your marginal rate - higher rate taxpayers can claim extra through self-assessment
- Annual allowance: £60,000 total contributions limit (2025/26) with tapering for incomes over £260,000
- Access age: Currently 55 (rising to 57 from 2028) - 25% tax-free capped at £268,275, remainder taxed as income
- Investment choice: Maximum flexibility - shares, funds, bonds, commercial property, unquoted shares
- Employer contributions: Tax-deductible for companies - always take full employer match first
- Charge-free 25%: Can transfer workplace pensions without exit fees if employer arrangement ends or transfers are within 3 years job change
What Is a Self-Invested Personal Pension (SIPP)?
A Self-Invested Personal Pension (SIPP) is a UK pension wrapper that offers maximum investment choice and flexibility. Unlike defined contribution workplace schemes that limit your investment options, SIPPs allow you to invest in a wide range of assets including stocks, bonds, funds, commercial property, and more.
Whether you are self-employed, looking to consolidate multiple pension pots, or simply want more investment flexibility than your workplace scheme offers, understanding how SIPPs work is crucial for maximizing your retirement income.
UK Tax Benefit
SIPP contributions receive tax relief at your marginal rate—basic rate taxpayers get 20% automatically added, while higher and additional rate taxpayers can claim extra relief through self-assessment. A £100 contribution effectively costs only £55-£80 depending on your tax bracket.
How to Use the SIPP Calculator
Our SIPP pension calculator helps you project your retirement savings based on various contribution and investment scenarios.
- Input Current Details: Enter your current pension position including age, retirement age, existing SIPP or pension fund value
- Set Contribution Parameters: Specify monthly or annual contribution amounts and planned increases
- Configure Investment Assumptions: Set expected annual investment return (2-7% typical), annual management charges, and inflation
- Review Projections: See projected fund value at retirement, tax-free cash lump sum available, and estimated annual retirement income
Example Calculation
Scenario: Age 40, current pot £50,000, contributing £500/month until age 67
- Monthly contribution: £500 (plus £125 basic rate tax relief)
- Total monthly invested: £625
- Expected return: 5% per year
- Projected pot at 67: Approximately £420,000
- Tax-free cash (25%): £105,000
- Remaining for income: £315,000
Understanding SIPP Tax Relief
Tax relief is the most powerful feature of SIPPs, making them highly tax-efficient retirement vehicles.
How Tax Relief Works
Claiming Higher Rate Tax Relief
Higher and additional rate taxpayers must claim extra relief through self-assessment:
- Your SIPP provider automatically claims 20% basic rate relief
- You claim the additional 20% or 25% through your tax return
- Relief comes as a tax rebate or reduced tax bill
- Can also adjust your tax code to receive relief throughout the year
The "Tapered" Allowance Trap
If your "Adjusted Income" (Total income + Employer Pension contributions) exceeds £260,000, your annual allowance drops by £1 for every £2 earned over that limit.
At £360,000 income, your allowance is just £10,000. Exceeding this triggers a massive tax charge. If you’re a high earner, always check your taper status before contributing.
Commercial Property: The Small Business Loophole
Unlike regular pensions, a "Full SIPP" allows you to buy Commercial Property. If you own a business, your SIPP can buy your office or warehouse and lease it back to you.
The Win: Your business pays rent, which is a tax-deductible expense, and that rent goes into your SIPP tax-free (instead of a landlord's pocket). It’s the ultimate UK tax-efficiency hack for entrepreneurs.
The 25% Tax-Free Cash "Cap"
Many believe they can always take 25% of their pension tax-free. Since April 2024, this is Capped at £268,275 (unless you have "Protection").
If your pension pot grows to £2 million, you don't get £500,000 tax-free; you still only get ~£268k. Plan your withdrawals carefully if you expect a multi-million-pound fund.
SIPP vs. ISA: The Tipping Point
Should you use a SIPP or a Lifetime ISA? For Higher Rate (40%) Taxpayers, the SIPP almost always wins due to the 40% relief vs the ISA's 25% bonus.
However, for Basic Rate (20%) Taxpayers who value flexibility, an ISA might be better as you can withdraw funds anytime for a home or after age 60 without paying income tax on the way out.
SIPP Contribution Limits 2025/26
Understanding contribution limits is essential for maximizing tax benefits:
| Contribution Limit | Amount 2025/26 | Notes |
|---|---|---|
| Annual Allowance | £60,000 | Total pension contributions (including employer) |
| Money Purchase Annual Allowance | £10,000 | If you have flexibly accessed your pension |
| Tapered Annual Allowance | £10,000 - £60,000 | For high earners over £260,000 |
| Lifetime Allowance | Abolished | Removed from April 2024 |
| Tax-Free Cash Limit | 25% of fund | Up to a maximum of £268,275 |
SIPP Investment Options
SIPPs offer unparalleled investment flexibility compared to other pension types:
Standard Investment Options
- Unit Trusts and OEICs: Thousands of UK and international funds
- Investment Trusts: Closed-end funds with various strategies
- Exchange-Traded Funds (ETFs): Low-cost passive investments
- Individual Shares: UK and international equities
- Government and Corporate Bonds: Fixed income securities
- Cash and Money Market Funds: Short-term cash holdings
Advanced Investment Options
- Commercial Property: Offices, retail units, industrial properties
- Unquoted Shares: Private company investments
- Gold Bullion: Physical gold in some SIPPs
- Hedge Funds: Alternative investments (limited availability)
- Structured Products: Complex investment vehicles
Investment Restrictions
HMRC prohibits certain investments in SIPPs: residential property (with few exceptions), loans to members or connected parties, tangible movable property (artwork, antiques, wine) for personal use, and some overseas pension schemes. Always check with your SIPP provider before making unusual investments.
Accessing Your SIPP
From age 55 (57 from 2028), you have several options for accessing your SIPP:
Option 1: Tax-Free Cash Lump Sum
Take up to 25% of your pot tax-free (capped at £268,275 from April 2024):
- Use for any purpose—debt repayment, holiday, home improvement
- Remaining 75% stays invested or moves to drawdown
- Can take in chunks (UFPLS) with 25% of each chunk tax-free
Option 2: Income Drawdown (Flexi-Access Drawdown)
Keep funds invested while taking income:
- Flexible withdrawals—take as much or as little as needed
- Funds remain invested with potential for growth
- Income taxed at marginal rate
- Risk of running out if withdrawals too high or markets poor
- Requires ongoing investment management
Option 3: Purchase an Annuity
Convert pot to guaranteed lifetime income:
- Secure, predictable income for life
- No investment risk
- Can include spouse pension, inflation protection
- Decision generally irreversible
- Shop around for best annuity rates
Withdrawal Strategies
Many retirees combine approaches:
- Take tax-free cash for immediate needs
- Use drawdown for flexible income in early retirement
- Purchase annuity later for security
- Adjust strategy as circumstances change
UFPLS (Uncrystallised Funds Pension Lump Sum)
This is an alternative to taking 25% tax-free cash upfront. Each UFPLS withdrawal is 25% tax-free and 75% taxable. This flexibility can help manage tax brackets across multiple tax years, especially if you want to take irregular amounts or prefer not to crystallise your entire fund.
SIPP Charges and Fees
Understanding costs is crucial for maximizing long-term returns:
| Charge Type | Typical Range | Notes |
|---|---|---|
| Platform/Admin Fee | £0 - £300/year | Some platforms charge percentage (0.25-0.45%) |
| Fund Management Charge | 0.5% - 1.5% | Ongoing charge figure (OCF) |
| Dealing Charges | £5 - £15 per trade | For buying/selling shares |
| Transfer Out Fee | £0 - £300 | Per pension transferred |
| Drawdown Setup Fee | £0 - £300 | One-time charge |
| Income Drawdown Fee | £0 - £300/year | Ongoing drawdown administration |
Finding a Low-Cost SIPP
For simple buy-and-hold investors, consider:
- Fixed fee platforms for larger pots (£100k+)
- Percentage-based platforms for smaller pots
- ETFs and index funds with low OCFs (0.1-0.5%)
- Avoid frequent trading to minimize dealing costs
SIPP vs Other Pension Options
Understanding how SIPPs compare to alternatives helps you make informed decisions:
| Feature | SIPP | Workplace Pension | Stakeholder Pension |
|---|---|---|---|
| Investment Choice | Extensive | Limited | Limited |
| Employer Contributions | Possible | Required (auto-enrolment) | Rare |
| Charges | Variable (higher for full SIPPs) | Capped at 0.75% | Capped at 1.5% |
| Flexibility | High | Moderate | Low |
| Transfers In | Yes | Sometimes | Yes |
| Suitable For | Experienced investors | All employees | Beginners |
Carry Forward Rules
If you have unused annual allowance from previous three tax years:
- Can contribute up to £180,000 in one year (using £60k x 3 years)
- Must have been a member of a pension scheme in those years
- Subject to earnings limit (100% of earnings)
- Cannot carry forward unused allowance from before the current tax year
Carry Forward Strategy
Carry forward is particularly useful for: those with variable income (bonuses, commission), late starters wanting to catch up, and those who have received inheritances or lump sums. You must use the current year allowance first before accessing carry forward. Keep records of previous contributions to prove eligibility.
Salary Sacrifice for SIPP Contributions
Arrange for employer to contribute directly from pre-salary income:
- Saves National Insurance contributions (12% for basic rate, 2% higher)
- Employer may pass on their NI savings too (13.8%)
- Reduces taxable income for other benefits (child benefit, tax credits)
- Requires employer agreement
Salary Sacrifice Example
Basic rate taxpayer sacrificing £5,000 salary into SIPP: Personal tax saving (£1,000 at 20%), Employee NI saving (£600 at 12%), Employer NI saving (£690 at 13.8% if passed to you). Total savings: potentially £2,290 depending on employer agreement.
Inheritance and Death Benefits
SIPPs offer flexible death benefit options:
- Before age 75: Lump sum and drawdown passed 100% tax-free to beneficiaries
- After age 75: Beneficiaries pay income tax at their marginal rate
- Drawdown option: Beneficiaries can continue drawdown flexibility
- Annuity option: Can pass on guaranteed period payments or spouse pension
- Outside inheritance tax: Usually falls outside your estate for IHT purposes
SIPP vs Global Pension Equivalents
The SIPP is the UK's most flexible pension wrapper, but similar self-directed retirement vehicles exist across the world. Understanding how the SIPP compares to international equivalents is valuable for expats, non-domiciled UK residents, and internationally mobile workers making cross-border retirement planning decisions.
| Country | Equivalent Product | Annual Contribution Limit | Tax Relief Method | Access Age |
|---|---|---|---|---|
| United Kingdom | SIPP (Self-Invested Personal Pension) | £60,000 (2025/26) | Relief at source / Net pay | 55 (rising to 57 in 2028) |
| USA | Self-Directed IRA / Solo 401(k) | $7,000 IRA; $69,000 Solo 401(k) | Pre-tax (Traditional) or post-tax (Roth) | 59½ (10% penalty if earlier) |
| Canada | RRSP (Registered Retirement Savings Plan) | 18% of prior year income, max CAD $31,560 | Pre-tax deduction | Must convert to RRIF by age 71 |
| Australia | SMSF (Self-Managed Superannuation Fund) | AUD $30,000 concessional (2025) | Concessional taxed at 15% | Preservation age (60 for most) |
| India | NPS (National Pension System) with self-managed tier | No cap (60% equity cap) | Deduction under 80C + 80CCD(1B) | 60 (partial withdrawal from 25% at 3 yrs) |
Contribution limits and tax rules vary annually. Verify current limits with official regulators or a qualified advisor in your jurisdiction.
Frequently Asked Questions
A SIPP (Self-Invested Personal Pension) is a UK pension wrapper that offers maximum investment flexibility. You choose investments from a wide range including funds, shares, bonds, and commercial property. Contributions receive tax relief at your marginal rate (20%, 40%, or 45%). Investments grow tax-free, and you can access funds from age 55 (57 from 2028), taking 25% tax-free with the remainder taxed as income.
The annual allowance is £60,000 for most people (2025/26). This includes your contributions, tax relief, and employer contributions. High earners over £260,000 may have a tapered allowance as low as £10,000. You can also use "carry forward" to use unused allowance from the previous three years. Contributions are limited to 100% of your relevant UK earnings.
For every £80 basic rate taxpayers contribute, HMRC adds £20 (20% relief). Higher rate taxpayers can claim an additional 20% back via self-assessment, making the net cost £60 for £100 invested. Additional rate taxpayers can claim 25% extra, costing only £55 for £100. Relief is limited to your marginal tax rate and annual allowance.
You can access your SIPP from age 55 currently. This rises to 57 from April 2028, and will remain 10 years below State Pension age. Early access is only allowed in cases of serious ill health (before age 55) or terminal illness (tax-free lump sum). There is no requirement to retire or stop working to access your SIPP.
SIPPs can be passed to beneficiaries tax-efficiently. If you die before age 75, the entire fund passes tax-free to nominated beneficiaries as a lump sum or drawdown. If you die after age 75, beneficiaries pay income tax at their marginal rate on withdrawals. Unlike other assets, SIPPs typically fall outside your estate for inheritance tax purposes.
Yes, you can transfer most UK pensions into a SIPP, including workplace pensions, personal pensions, and other SIPPs. However, you cannot transfer State Pension or certain public sector defined benefit schemes. Always check for exit penalties, guaranteed annuity rates, or other valuable benefits before transferring. Consider taking regulated financial advice for transfers over £30,000.
SIPP charges vary by provider. Expect: platform/admin fees (£0-£300/year or 0.25-0.45% of fund), fund management charges (0.5-1.5%), dealing fees (£5-15 per trade), and potentially drawdown fees. Full SIPPs with extensive investment options cost more than simple SIPPs. Compare total costs based on your investment strategy and pot size.
Yes, SIPPs are ideal for the self-employed who do not have access to workplace pensions. You contribute from personal funds and receive tax relief. You can also set up employer contributions from your company if you trade through a limited company—these are tax-deductible business expenses. SIPPs offer the flexibility self-employed individuals need for irregular income.
Standard SIPPs allow: unit trusts, OEICs, investment trusts, ETFs, individual UK and international shares, government and corporate bonds, cash, and gilts. Full SIPPs may also offer: commercial property, unquoted shares, and other alternative investments. Not all providers offer the same range—check before opening. HMRC prohibits residential property and certain exotic investments.
You can take 25% of your SIPP tax-free (capped at £268,275). The remaining 75% is taxable as income at your marginal rate. Taking large withdrawals in a single tax year may push you into higher tax brackets. Consider spreading withdrawals across tax years and combining with other income sources to optimize tax efficiency.
Not necessarily—workplace pensions often have advantages: employer contributions (legally required under auto-enrolment), lower charges (capped at 0.75%), and less complexity. However, SIPPs offer more investment choice and flexibility. Many people maintain both: contribute to workplace pension to get employer match, then use SIPP for additional savings with more control.
The Lifetime Allowance (LTA) was abolished from April 2024. Previously, it limited total pension savings to £1,073,100 without tax penalties. Now there is no limit on pension pot size. However, the tax-free lump sum is capped at £268,275 (25% of the old LTA). Amounts above this withdrawn as lump sums are taxed at marginal rate.
Generally no—SIPPs are designed for retirement and locked until age 55 (57 from 2028). Early access is only permitted for serious ill health (permanent incapacity before age 55) or terminal illness (life expectancy under 12 months). Unauthorized early withdrawals face tax charges of 55% or more. Consider ISAs for accessible savings.
Higher rate (40%) taxpayers claim additional relief through self-assessment: (1) Basic 20% relief is automatically added to your SIPP by the provider; (2) Claim the extra 20% in your tax return under "Payments to registered pension schemes"; (3) Receive relief as tax rebate or reduced tax bill. Additional rate (45%) taxpayers claim 25% extra. Keep records of contributions.
Consolidation into a SIPP offers benefits: easier management, reduced paperwork, better overview of retirement savings, potential cost savings, and wider investment choice. However, check for: exit fees, loss of guarantees (GARs, GMPs), protected tax-free cash above current limits, or defined benefit transfer values. Seek advice for valuable benefits or large pots.
Trusted Resources
- GOV.UK: Tax on Your Private Pension
- MoneyHelper: SIPPs Guide
- GOV.UK: Check Your State Pension
- FCA: Pensions and Retirement
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