News archive for June 2026 Marine Accounts October 26 Newsletter Introducing Cormorant Ocean Racing Read now 4 minute read How is Rental Income Taxed When Claiming the SED? Learn how Seafarers' Earnings Deduction (SED) interacts with UK rental income, including personal allowances, mortgage interest relief, allowable expenses, and whether rental profits affect your eligibility to claim valuable seafarers tax relief. Patrick Maflin Patrick Maflin 02 Jun 2026 7 minute read How to Complete a Seafarers Tax Return Learn how to complete a seafarers tax return correctly, claim the Seafarers Earnings Deduction, avoid common HMRC mistakes, and understand the records and qualifying rules needed to reduce your UK tax liability. Patrick Maflin Patrick Maflin 01 Jun 2026