Self Assessment Checklist

This checklist has been provided to help you gather all the information which you may need to complete your tax return. This is only a guide and is not an exhaustive list. If you have any questions, please drop us an email at team@martaxaccountants.com

2023/24 Tax Year - Key Dates

5 April 2024 – end of 2023/24 tax year.

31 July 2024 – second payment on account for 2023/24

31 October 2024 – deadline to submit a paper tax return

31 December 2024 – deadline for the tax to be paid through PAYE tax code

31 January 2025 – tax return deadline for 2023/24 tax return.

31 January 2025 – balancing payment for 2023/24 & first payment on account for 2024/25

Your self-assessment tax return is due by 31 January following the end of the tax year which ends on 5 April. For example, for the tax year from 6 April 2023 to 5 April 2024 (i.e. 2023/24), the tax return and any tax payable would be due by 31 January 2025.

We would advise you to provide us with your return information as soon as possible so that we can prepare your tax return in a timely manner for your review and approval.

The earlier that you are able to provide us with your information, the earlier we should be able to give you certainty over your finances, speed up any tax repayment that may be due to you, and advise you of any tax payments becoming due.

Income

Employment income

Please provide us with the following information where relevant:

P60s and March payslips
P45s if employment ceased during the tax year
P11Ds if applicable
If you have been issued with P45 and student loan deductions have been made by your former employer, please provide the details of student loan deuductions made by your employer up to the date of your P45
Any PAYE coding notices received for the tax year

Self employed income

Please provide us with the following information where relevant:

Start date of your self employment
Please also advise the date if self employment ceased during the year
If you use any online bookkeeping software for your sole trader accounts, please provide us the access to the software when records are up to date
If you use a spreadsheet to record your sole trader income and expenses, please email us the spreadsheet or upload this to our online portal

UK property income

Please provide us with the following information where relevant:

Number of rental properties
State whether these are owned/let solely or jointly
Whether the properties are interest only or repayment mortgage
Please provide the details of your rental income and expesnes in a spreadsheet
Certificate of mortgage interest paid for the tax year

Savings and investment income

Please provide us with the following information where relevant:

State whether these are owned/let solely or jointly
Interest income from banks, building societies, and other institutions
Dividends from shares
Any other savings or investment income

Foreign income

UK residents are generally taxable on their worldwide income. Please provide the information if you have any foreign source of income.

Capital gains

Please provide us the following initial information in relation to capital disposals where applicable:

Any contracts related to sales and purchase
Completion statements for both sales and purchases
Any other information

Other information

Please provide us with the following information where relevant in relation to your circumstances:

Contributions made to personal pension scheme
Did you have a student loan payable during the tax year? If so, please confirm whether it was a Plan 1 or Plan 2.
If either of you or your spouse received child benefit during the tax year, please provide the following information:
– Number of children for whom you received the benefit
– The total amount of child benefit received during the year
Are you married or in a civil partnership? If yes, does your spouse earns less than the personal allowances for the tax year?
Please provide the details of any payments made to charities under Gift Aid schemes