CTA Part 1 case studies
CTA Part 1 · Put your knowledge to work in context.
The CTA Part 1 is the first stage of the Chartered Tax Adviser qualification track - a professional credential for people who advise on tax rather than merely compute it. Candidates are typically accounting and law graduates, in-house tax staff, and practice trainees moving from compliance work into advisory roles. The CTA Part 1 case studies are 6 cases and about 5,656 words.
1The Personal Allowance Cliff and a Stranded Trading Loss
Nadia is UK-resident and works full time as a marketing director. For 2024/25 she has salary of £118,000, a bonus of £30,000, UK rental profits of £9,000 (rents £21,000 less allowable expenses £12,000) and bank interest of £1,500.
791 words, about 4 min2Associated Companies, Capital Allowances and the 26.5% Band
Rugwise Ltd makes and sells industrial fittings and has a 31 March 2025 year end. Profits before capital allowances are £100,000.
766 words, about 4 min3Principal Private Residence Relief and a Late Transfer to a Spouse
Rafiq bought a flat on 6 April 2010 for £250,000, paying £8,000 in legal fees and SDLT. He lived in it as his only home until 5 April 2016 and then let it out until he sold it on 6 April 2025 for £520,000, paying £12,000 in agent and legal fees.
971 words, about 5 min4Partial Exemption, De Minimis and an Option to Tax
Harbourline Ltd is VAT-registered and makes taxable consultancy supplies and exempt supplies of storage space from a building it owns. In the quarter to 31 March 2025 its input VAT was £48,000: £28,000 directly attributable to taxable supplies, £12,000 directly attributable to exempt supplies and £8,000 on overheads.
1,014 words, about 5 min5Undeclared Rents: Years in Scope, Behaviour and an Instruction to Lie
Priya has been your firm's client for two years. While preparing her 2024/25 return in June 2025 you find that she has owned and let a UK flat since 2019/20, receiving rents of £24,000 a year with allowable expenses of £6,000 a year.
997 words, about 5 min6Royalties, a Services Permanent Establishment and Excess Credits
Tavistock Instruments Ltd (TIL) is UK resident and has taxable profits of £1,200,000 for the year to 31 March 2025, before any double taxation relief. That figure includes £200,000 of gross royalties from a licensee in State X.
1,117 words, about 6 min