Interest-Free Employer Loan BIK Tax 2025-26

If your employer lends you money at 0% (or below HMRC's official rate of 2.25%), it's a taxable benefit in kind. The BIK value is the interest you would have paid at the official rate.

Beneficial loan BIK — 2025-26 rules

HMRC official rate
2.25%
De minimis exemption
£10,000
BIK value formula
Loan × 2.25%
Reported via
P11D or payroll

Loans of £10,000 or less across all employer loans are completely exempt — the BIK only triggers above this threshold. Qualifying loans (e.g. season ticket loans) below £10,000 are always tax-free.

£10,000 interest-free loan — BIK tax by salary

BIK value: £225/year (£10,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £225 £45 £18 £63 £5
£30,000 £225 £45 £18 £63 £5
£40,000 £225 £45 £18 £63 £5
£50,000 £225 £45 £18 £63 £5
£60,000 £225 £90 £4 £94 £8
£75,000 £225 £90 £4 £94 £8
£100,000 £225 £135 £4 £139 £12

£15,000 interest-free loan — BIK tax by salary

BIK value: £338/year (£15,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £338 £68 £27 £95 £8
£30,000 £338 £68 £27 £95 £8
£40,000 £338 £68 £27 £95 £8
£50,000 £338 £81 £23 £104 £9
£60,000 £338 £135 £6 £141 £12
£75,000 £338 £135 £6 £141 £12
£100,000 £338 £203 £6 £209 £17

£20,000 interest-free loan — BIK tax by salary

BIK value: £450/year (£20,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £450 £90 £36 £126 £11
£30,000 £450 £90 £36 £126 £11
£40,000 £450 £90 £36 £126 £11
£50,000 £450 £126 £26 £152 £13
£60,000 £450 £180 £9 £189 £16
£75,000 £450 £180 £9 £189 £16
£100,000 £450 £270 £9 £279 £23

£25,000 interest-free loan — BIK tax by salary

BIK value: £563/year (£25,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £563 £113 £45 £158 £13
£30,000 £563 £113 £45 £158 £13
£40,000 £563 £113 £45 £158 £13
£50,000 £563 £171 £28 £199 £17
£60,000 £563 £225 £11 £236 £20
£75,000 £563 £225 £11 £236 £20
£100,000 £563 £338 £11 £349 £29

£30,000 interest-free loan — BIK tax by salary

BIK value: £675/year (£30,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £675 £135 £54 £189 £16
£30,000 £675 £135 £54 £189 £16
£40,000 £675 £135 £54 £189 £16
£50,000 £675 £216 £30 £246 £21
£60,000 £675 £270 £13 £283 £24
£75,000 £675 £270 £13 £283 £24
£100,000 £675 £405 £13 £418 £35

£40,000 interest-free loan — BIK tax by salary

BIK value: £900/year (£40,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £900 £180 £72 £252 £21
£30,000 £900 £180 £72 £252 £21
£40,000 £900 £180 £72 £252 £21
£50,000 £900 £306 £35 £341 £28
£60,000 £900 £360 £18 £378 £32
£75,000 £900 £360 £18 £378 £32
£100,000 £900 £540 £18 £558 £47

£50,000 interest-free loan — BIK tax by salary

BIK value: £1,125/year (£50,000 × 2.25%)

Salary BIK value Tax on loan NI on loan Annual cost Monthly cost
£25,000 £1,125 £225 £90 £315 £26
£30,000 £1,125 £225 £90 £315 £26
£40,000 £1,125 £225 £90 £315 £26
£50,000 £1,125 £396 £39 £435 £36
£60,000 £1,125 £450 £22 £472 £39
£75,000 £1,125 £450 £22 £472 £39
£100,000 £1,125 £675 £22 £697 £58

Related:

All Benefits in Kind Company Car BIK Gym Membership BIK Company Van BIK Private Medical BIK