The deadline for submitting your self-assessment tax return on paper is midnight 31 October 2017.
Those choosing to file a paper tax return must fill in form SA100.
Before you begin, you should have the following information (plus your national insurance number) to hand:
P60 year-end certificates
P11D expenses or benefits forms
P45 if you have left employment
Payslips
Personal pension information
Bank statements
Information on any dividends or investments.
Individuals who do not have tax deducted from their wages, pensions and savings, plus those with additional sources of income, will usually have to complete a tax return.
If you need to submit a return on behalf of business partnership or non-resident company or as a trustee, you will need the following forms:
Non-resident companies: SA700
Partnerships: SA800
Trust and estate: SA900
Trustees of a registered pension scheme: SA970.
Those who submit their tax return online have until midnight 31 January 2018. Contact us here if you need help submitting your tax return.
You might be interested in...
01 May 2026
New Tax System Changes for 2026/27
As we've now entered the new tax year, we've outlined below how to prepare for the new tax system changes for 2026/27 and why planning ahead for your tax return in January 2027 is advised. Read our blog for an overview of the upcoming changes.
While you can’t control geopolitical tensions, economic volatility, shifting regulations, you can control how your business is structured to respond to them
Building a Better Business with an Outsourced Finance Function
Compliance matters, but most commercial problems do not arrive neatly at month end. Modern finance supports decisions as they happen, not just records them afterwards.