Plan every claim – AIA, full expensing, first-year allowances, pools, SBA and the 2026 rate changes
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Capital allowances changed significantly from April 2026: the main writing-down allowance fell from 18% to 14% (with a hybrid rate for periods that straddle the change), a new 40% first-year allowance arrived for main-pool assets, and full expensing, the £1m Annual Investment Allowance and 100% allowances for electric cars and charge points continue. This planner records every addition and disposal, chooses the best allowance for each, runs the main pool, special rate pool and single-asset pools, and shows the allowances for this year and the next five.
See how it works
The sheets you will use most, in the order you will use them – shown with the sample data every workbook comes with.
Step 1
Every asset bought, with the allowance chosen and the amount claimed. What you do: one row per asset.


Step 2
The full computation – AIA, first-year allowances, pools, balancing adjustments. What you do: nothing to enter – read and print.
Step 3
Allowances still to come in the next five years. What you do: nothing to enter.

Step 4
Who it is for
Quick start
Your file is only released to your client portal once payment has cleared.
You are taken to our secure checkout.
Checkout takes a minute and you get a receipt by email.
Your file is ready in your client portal as soon as payment clears, and we email you your invoice with a link to the portal.
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