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Tax Calendar 2018/19

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April 2018


5Apr2018

Deadline to pay unpaid Class 3 NIC for the 2011-12 year 

Last day of the 2017/18 tax year

Last chance to maximise your ISA contributions

Last opportunity to maximise pension contributions and utilise any unused pension allowances 


6Apr2018

First day of the 2018/19 tax year

Personal allowance increased to £11,850

Dividend allowance reduced to £2,000

Lifetime allowance for pension savings increases to £1,030,000

All payments in lieu of notice (PILON) will now be fully taxable and subject to income tax regardless of whether contractual or not. 

50% of mortgage interest restricted to basic rate tax relief for buy-to-let investors .

Residence nil rate band increases to £125,000.


7Apr2018

VAT return and payment deadlines


14Apr2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list


19Apr2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Apr2018

Monthly (online) EC sales list return


22Apr2018

PAYE/NI/CIS/student loan liabilities paid (if online)


30Apr2018

Online ATED return and tax due for the period 1 April 2018 - 31 March 2019 (for properties of £500k) taking into account valuation as at 1 April 2017.


May 2018

1May2018

Daily penalties of £10 per day up to a maximum of £900 for late filing of 2016/17 Self Assessment tax return


7May2018

VAT return and payment deadlines


14May2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19May2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21May2018

Monthly (online) EC sales list return


22May2018

PAYE/NI/CIS/student loan liabilities paid (if online)


31May2018

Deadline to provide P60s to employees for the year ended 5 April


June 2018

7Jun2018

VAT return and payment deadlines


14Jun2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) sales list


19Jun2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Jun2018

Monthly (online) EC sales list return


22Jun2018

PAYE/NI/CIS/student loan liabilities paid (if online)


July 2018

5Jul2018

Non-Resident Landlord Scheme forms NRLY and NRL6 deadline for letting agents


6Jul2018

Deadline for filing P11D forms for the 2017/18 tax year

Online filing of employment related securities forms for 2017/18.

PAYE Settlement Agreements (PSA) for 2017/18 to be agreed by today


7Jul2018

VAT return and payment deadlines


14Jul2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Jul2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed

Payment of Class 1A National Insurance Contribution due for 2017/18 P11D


21Jul2018

Monthly (online) EC sales list return


22Jul2018

PAYE/NI/CIS/student loan liabilities paid (if online)


31Jul2018

Income Tax self assessment second payment on account due for 2017/18 tax year


August 2018

1Aug2018

Additional penalty of the higher of £300 or 5% of estimated tax due if tax return has still not been filed


7Aug2018

VAT return and payment deadlines


14Aug2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Aug2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Aug2018

Monthly (online) EC sales list return


22Aug2018

PAYE/NI/CIS/student loan liabilities paid (if online)


September 2018

7Sep2018

VAT return and payment deadlines


14Sep2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Sep2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Sep2018

Monthly (online) EC sales list return


22Sep2018

PAYE/NI/CIS/student loan liabilities paid (if online)


30Sep2018

Deadline for VAT refunds from other EU member states for previous calendar year (2017)


October 2018

5Oct2018

Deadline to register for Income Tax self assessment in respect of the 2017/18 tax year where not already registered


7Oct2018

VAT return and payment deadlines


14Oct2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list


19Oct2018

PSA tax and Class 1B NIC payments due (slightly later deadline of 22 October if paying electronically)

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Oct2018

Monthly (online) EC sales list return


22Oct2018

PAYE/NI/CIS/student loan liabilities paid (if online)


29Oct2018

Budget


31Oct2018

Filing deadline for paper Income Tax self assessment return (if not filed online) for 2017/18 tax year


November 2018

7Nov2018

VAT return and payment deadlines


14Nov2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Nov2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Nov2018

Monthly (online) EC sales list return

 


22Nov2018

PAYE/NI/CIS/student loan liabilities paid (if online)



December 2018

7Dec2018

VAT return and payment deadlines


14Dec2018

Quarterly Corporation Tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Dec2018

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Dec2018

Monthly (online) EC sales list return


22Dec2018

PAYE/NI/CIS/student loan liabilities paid (if online)


30Dec2018

Online income tax self assessment return deadline if outstanding tax liability is to be collected PAYE coding adjustment


31Dec2018

VAT deadline for non-EU businesses claiming VAT refund from the UK (for claim year 1 July 2017 - 30 June 2018)


January 2019

7Jan2019

VAT return and payment deadlines


14Jan2019

Quarterly corporation tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Jan2019

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Jan2019

Monthly (online) EC sales list return


22Jan2019

PAYE/NI/CIS/student loan liabilities paid (if online)


31Jan2019

Deadline for online submission of income tax self assessment return for the 2017/18 tax year

Payment of 2017/18 income tax self assessment balancing payment

Income Tax self assessment first payment on account due for 2018/19 tax year


February 2019

1Feb2019

£100 late filing penalty where 2017/18 income tax self assessment return has not been filed.

Higher of £300 penalty or 5% of estimated tax liability if 2016/17 income tax self assessment return has still not been filed!


7Feb2019

VAT return and payment deadlines


14Feb2019

Quarterly corporation tax instalment payment for large companies (month due will depend on year end of the company)

VAT (paper) EC sales list 


19Feb2019

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Feb2019

Monthly (online) EC sales list return


22Feb2019

PAYE/NI/CIS/student loan liabilities paid (if online)


March 2019

2Mar2019

5% penalty applied to any unpaid tax in respect of 2017/18 Income Tax self assessment

7Mar2019

VAT return and payment deadlines


13Mar2019

Spring Statement (estimated date)


14Mar2019

Quarterly corporation tax instalment payment for large companies (month due will depend on year end of the company).

VAT (paper) EC sales list 


19Mar2019

PAYE/NI/CIS/student loan payments (if not electronic)

Monthly CIS return to be filed


21Mar2019

Monthly (online) EC sales list return


22Mar2019

PAYE/NI/CIS/student loan liabilities paid (if online)


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