Investment Boost – partial expensing regime is a new tax deduction for all businesses. From 22 May 2025, businesses can claim 20% of the cost of new assets as an expense, then claim depreciation as usual on the remaining 80%. Go to our new page to find out more.
Reporting on Investment Boost will be through information provided in financial statement summaries in 2025/26 income tax returns, and through undertaking surveys. Reporting will be released progressively as the data becomes available.
In December 2025 Inland Revenue surveyed businesses on their views on Investment Boost. The analysis of the survey responses, and a briefing note, can be found on our Tax Policy site.
| 2024/25 | 2025/26 | 2026/27 | 2027/28 | 2028/29 | |
|---|---|---|---|---|---|
|
Investment Boost ($ millions) |
$208 | $1,830 | $1,611 | $1,714 | $1,278 |
Last updated:
07 Jul 2026