Home | Knowledge Base Articles | P11D- Loan Benefit Calculator using old interest rate for 25/26- 2.25% and should be 3.75% (FIXED)

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P11D- Loan Benefit Calculator using old interest rate for 25/26- 2.25% and should be 3.75% (FIXED)

Article ID

p11d-loan-benefit-calculator-using-old-interest-rate-for-25-26-2-25-and-should-be-3-75

Article Name

P11D- Loan Benefit Calculator using old interest rate for 25/26- 2.25% and should be 3.75% (FIXED)

Created Date

20th April 2026

Problem

Resolution

In the 2026 tax year on version 26.1, the P11D Benefit Calculator is still using the old rate of 2.25 when it should be 3.75. Beneficial loan arrangements — HMRC official rates – GOV.UK. This is fixed in the version 26.1.10.60 May 2026 Service pack.

Also if you need to use the override % rate and edit the rate. Select ‘Loan benefit calculator’ and edit from here

image | P11D- Loan Benefit Calculator using old interest rate for 25/26- 2.25% and should be 3.75% (FIXED)

image 1 | P11D- Loan Benefit Calculator using old interest rate for 25/26- 2.25% and should be 3.75% (FIXED)

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