Self-Assessment Tax return deadlines for 2017

Self-Assessment Tax return deadlines for 2017
Check if you need to submit a tax return.

If you are unsure whether you need to complete a tax return from 6 April 2016 to 5 April 2017, then you can check if you need to fill in a Self-Assessment tax return by using this online tool on the HMRC website.

If you are a business start-up, then you will need to register and then submit your tax return. To do this, you must have your Unique Taxpayer Reference (UTR), and you should have created a Government Gateway Account. If you haven’t done this already and would like some advice then you can contact us, the team at Marshall Smalley are experienced at supporting start-up businesses.

Benefits of submitting your tax return early

For those that submit their tax return each year, we always encourage them to get their submission in as early as possible. There are several benefits of doing this:

·      By knowing your tax liability early, you can start saving for the bill to manage your cash flow.

·      If you are due to receive a refund, then you will get this sooner rather than later.

·      You don’t risk having to pay any penalties for a late submission.

Key Dates for the tax year 6 April 2016 to 5 April 2017

·      Register for Self-Assessment – 5 October 2017

·      Paper tax returns – Midnight 31 October 2017 

·      Online tax returns – Midnight 31 January 2018

·      Pay the tax you owe – Midnight 31 January 2018 

Penalties for not submitting your tax return on time

If you don’t submit your tax return on time, then you will incur a penalty. This is £100 if your tax return is up to 3 months late. After this time, the amount you pay increases. You can estimate the amount of penalty you will need to pay by using the HMRC tool. However, we recommend that if you think you will be late then speak to us and we can advise on the best way to deal with this.

We work with all our clients to ensure that their tax return is submitted accurately and on time each year. If you need any support with this, then please contact us directly by calling 0115 956 9452 or email This email address is being protected from spambots. You need JavaScript enabled to view it.
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