What is the bed and breakfasting rule?

To prevent investors selling shares at a loss and immediately buying back to crystallise a loss, HMRC matches shares sold with any of the same shares acquired within 30 days. The new acquisition is used as the cost base, not the original cost.

What is the Section 104 share pool?

When you acquire shares of the same class over time, they are pooled under Section 104. The cost base of the pool is the total amount paid for all shares. Disposals use a proportionate cost from the pool.

What is the matching order for UK CGT on shares?

HMRC matches in this order: (1) shares acquired same day; (2) shares acquired within 30 days (FIFO within this window); (3) shares in the Section 104 pool; (4) shares acquired before the disposal date (earlier acquisitions first).

UK CGT Share Matching (Bed & Breakfasting) Rules Calculator

Apply UK CGT share identification rules: same-day rule, 30-day anti-avoidance (bed & breakfasting), then section 104 pooled cost. Calculate gain/loss accounting for share pools correctly.

Principal ($)

Annual Rate (%)

Years

Compounding / Year

$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.

How to Use

Enter the values for the scenario you are assessing. Apply UK CGT share identification rules: same-day rule, 30-day anti-avoidance (bed & breakfasting), then section 104 pooled cost. Calculate gain/loss accounting for share pools correctly. Use the uk share matching rules result to inform your calculation.

Related Calculators

UK Capital Gains Tax 2024

Finance & Accounting

UK ISA Allowance 2024

Finance & Accounting

UK Dividend Tax 2024

Finance & Accounting

UK CGT Share Matching (Bed & Breakfasting) Rules Calculator

How to Use

Related Calculators

Frequently Asked Questions

What is the bed and breakfasting rule?

What is the Section 104 share pool?

What is the matching order for UK CGT on shares?