What Information Do You Need to Provide for Your SA100 Self-Assessment Tax Return?

Filing your SA100 Self-Assessment tax return can be straightforward if you are well-prepared with the correct information. To ensure accuracy and compliance with HM Revenue & Customs (HMRC) regulations, here are the key details you need to provide:

1. Employment Income

If you were employed during the tax year, gather the following:

• Form P60 or P45: Details your income, tax deductions, and total pay.
• Form P11D: Outlines taxable benefits, such as company cars or private medical insurance.
• Employment Expenses: Claim tax relief for eligible expenses, including:
  • Business travel expenses (excluding commuting).
  • Working from home costs.
  • Professional subscriptions and memberships.
  • Uniform or flat-rate job expenses.

2. Self-Employment Income

Provide a summary of your business income and expenses if you were self-employed. Additional information may be requested based on your circumstances.

3. Property Rental Income

For rental property owners:

• Property Address: Full address of the rented property.
• Gross Rental Income: Total rent received before deductions.
• Allowable Expenses: Include letting agent fees, mortgage interest, property insurance, and maintenance costs.

4. Bank Interest (Excluding ISAs)

Provide details of interest earned from non-ISA savings accounts:

• Bank Account Number
• Total Interest Received: Match this to your bank statements or an annual interest summary.

5. Dividend Income

If you received dividends not managed by us, provide:

• Company Name
• Amount of Dividend Received
• Payment Date

6. Pensions and State Benefits

Submit details of pensions and state benefits received:

• State Pension: Total taxable amount received.
• State Benefits: Include incapacity benefit, jobseeker’s allowance, or lump sums.
• Private Pension: Submit Form P60 from each pension provider.

7. Private Pension Contributions

If you contributed to a private pension outside your workplace scheme, provide:

• Pension Provider Name
• Total Contributions Made

8. Charitable Donations (Gift Aid)

For Gift Aid claims, provide:

• Charity Name
• Donation Amounts: Include all contributions made during the tax year.

9. Child Benefit (High-Income Earners)

If your total income exceeded £50,000 and you received Child Benefit:

• Total Child Benefit Received
• Number of Children Supported

10. Student Loan Repayments

Provide the following if applicable:

• Type of Loan: Plan 1, Plan 2, or Postgraduate Loan.
• Repayment Status: Indicate if you’ll repay the loan in full within two years.

11. Marriage Allowance

For Marriage Allowance claims, provide:

• Spouse’s Full Name
• Spouse’s National Insurance Number
• Spouse’s Date of Birth
• Date of Marriage

12. Tax Payment Preferences

Choose how to pay additional tax:

• Include Tax in Your Tax Code: Adjusts your tax code for the next year.
• Pay by January 31st: Submit full payment by the deadline.

13. Foreign Income

Provide details of overseas income, including rental, dividend, or employment income, to ensure accurate tax calculations.

14. Trust or Estate Income

If you received income from a trust or estate, include:

• Type of Income
• Amounts Received

15. Capital Gains

For asset sales (property, shares, etc.):

• Asset Details: Description of the sold asset.
• Date of Sale
• Sale Amount and Costs: Include sale price and related expenses (e.g., legal fees).

16. Additional Information

If you have other income sources or factors affecting your tax return, provide full details to avoid delays.

Need Help with Your Tax Return?

Filing your SA100 can be daunting, but we’re here to help. Contact Helpbox UK for expert guidance to ensure your tax return is accurate and compliant. Reach out to us today!