The draft 2027-28 Welsh Budget will be published on 17 November 2026, with the final Budget scheduled for 16 February 2027.

The draft 2027-28 Welsh Budget will be published on 17 November 2026, with the final Budget scheduled for 16 February 2027.

In Sir John Griffin v HMRC [2026] TC10016, the First Tier Tribunal (FTT) found that the Addison Lee founder was domiciled in England, upholding HMRC's closure notices for an additional Income Tax liability of more than £20 million.

In Environmental Services Limited v HMRC [2026] TC10015, the First Tier Tribunal (FTT) dismissed claims for R&D relief by a waste management company. The company did not show any scientific or technological uncertainty to be resolved and it failed to provide sufficient evidence to support the expenditure claimed.

In Jessbir Kaur v HMRC [2026] TC10006, the First Tier Tribunal (FTT) found that Mrs Kaur was 'absolutely entitled' to a property legally owned by her son. As the beneficial owner, she was liable to Capital Gains Tax (CGT) on the disposal of the property.

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Much of this week’s tax news is driven by HMRC’s September 2026 Agent Update. Agents should note that the final activation window for Multi-Factor Authentication (MFA) begins on 28 September. Our guide shows how to prepare and what to expect. The update also details a change to how Winter Fuel Payments will be recovered that could affect some clients' tax codes from January 2027.

HMRC are developing additional functionality for the Online Services Account (OSA) and Agent Services Account (ASA) that may make some online tasks easier for agents, however it may not be fully available until summer 2027.

HMRC have published their Agent Update for September 2026. We have summarised the key content, including guidance on the final activation window for Multi-Factor Authentication (MFA) from 28 September, the next Making Tax Digital (MTD) for Income Tax deadline on 7 November and HMRC's comments on their approach to the automation of web services.

HMRC are writing to Construction Industry Scheme (CIS) contractors who may have applied the wrong tax deduction rate to subcontractor payments in 2025-26 and have introduced a new online form to report and correct errors.

HMRC have confirmed the treatment of globally mobile employees under mandatory payrolling of Benefits In Kind (BIKs) from 6 April 2027 and clarified the Class 1A National Insurance Contributions (NICs) position for employers who payroll benefits voluntarily.

The government has confirmed plans for an Overnight Visitor Levy for England, giving mayors and other local leaders the power to introduce a charge on overnight stays.
