Salary sacrifice pension changes 2029: what you need to know

Salary sacrifice has been a win-win situation for employers and their staff. By swapping a slice of salary for an employer pension contribution, employees boost their retirement savings while trimming National Insurance (NIC) bills.

But from 2029, the government plans to change how these arrangements are taxed, softening some of their most appealing advantages. The shift is not dramatic, but it is meaningful. For employers and employees alike, it pays to understand what is coming, and what you should do to prepare now.

What is changing for salary sacrifice in 2029? 

From 2029, salary sacrifice pension contributions that qualify for National Insurance relief face a new £2,000 annual cap. These contributions will continue to be effective for Income Tax (subject to the usual thresholds).

While final legislation is still forthcoming, the proposal from HMRC signals that:

• Pension contributions made via salary sacrifice may no longer reduce National Insurance in the same way it did previously.
• Employers will likely have to report the total sum sacrificed using their existing payroll software in a specific format
• Employees may see a reduction in the immediate tax efficiency benefits as any contributions exceeding £2,000 will be subject to employer and employee NICs.

Salary sacrifice itself will not vanish. But its most attractive feature, the NI savings, may be dampened.

What does this mean for employers?

For employers, there are several practical implications to consider:

1. Payroll and cost modelling

Any employer currently sharing NI savings with employees (or using those savings to offset pension costs) will need to revisit the calculations. They will also need to ensure their payroll software meets HMRC’s reporting requirements (currently TBC).

2. Scheme design and communications

Salary sacrifice may remain a valuable benefit for employees, but it will require renewed conversations with staff. Employers who fail to communicate clearly risk confusion and disengagement with their staff, who may face negative financial impact.

3. Workforce relations

For some employees, take‑home pay calculations may shift subtly. Expectations will need managing early on so employees are aware.

There’s no need to panic; nor is there reason to wait (as we approach 2029).

What about employees?

For employees making contributions above the thresholds, the changes could mean:

• Higher National Insurance contributions
• Lower short‑term tax efficiency

However, saving into a pension will remain one of the most tax‑efficient actions most people can do.

Should salary sacrifice still be used after 2029?

Although there is water to go under the bridge, our view is that despite the changes, salary sacrifice pension contributions would still have their benefits:

• Simplify pension contributions
• Support higher saving rates
• Align employer and employee retirement goals
• Generally tax efficient

The question will be how to position salary sacrifice as part of a wider benefits package for employees.

What should employers do now?

2029 may sound distant, but by following the steps below at the right time, employers can prepare and lead their employees through the changes:

• Audit current salary sacrifice arrangements among their workforce
• Model post‑2029 cost scenarios
• Review employee communications and contracts
• Engage advisers early to avoid last‑minute redesigns

Final thoughts

The 2029 salary sacrifice changes are significant.

Employers who prepare early will adapt smoothly. Those who don’t may find themselves explaining surprises they could have prevented.

If your business needs help revising employee benefits packages to adapt to these changes, or updating your payroll system to these new requirements, Shorts can help. Our Tax team will be able to help provide solutions that meet the unique needs of your business.

FAQs

Will salary sacrifice be abolished in 2029?
No, salary sacrifice contributions will continue, but the cap will limit the key tax advantages.

Will employees still benefit from pension salary sacrifice?
Yes, however the immediate National Insurance savings may be reduced.

Do employers need to change schemes now?
Not immediately, but forward planning and modelling are strongly advised to ensure employers and employees are using the most tax-efficient approach.