Overview

• Figures released under the Freedom of Information Act show the pair have already claimed more than £400,000 in legal aid.
• Final invoices are still pending, with reports expecting the total to exceed £600,000, and wider investigation and court costs have been reported at about £2.8 million.
• Mark Gordon’s claims total £367,210, including about £250,500 for his first trial, £55,459 for a custody case and £56,773 for the retrial.
• The Legal Aid Agency figures include £34,000 for Constance Marten’s family court fight, and prosecutors sought £18,145.88 from her bank account as a contribution to costs.
• Marten and Gordon were convicted in July 2025 of gross negligence manslaughter and related offences and were each jailed for 14 years in September, with appeals signalled.