Holiday Buy and Sell: Costs and UK Leave Rules

A holiday purchase scheme exchanges cash pay for additional annual leave. Some employers also allow staff to sell contractual leave above the statutory minimum for extra taxable pay.

The purchase can be an agreed gross-pay reduction, sometimes called salary sacrifice, or a different payroll arrangement. Check the contract and tax treatment: a net-pay deduction does not itself reduce taxable earnings.

Statutory leave cannot be sold back during continuing employment. Separate terms may apply to extra contractual leave. The employer can set a lower sell-back limit than the maximum permitted by the statutory floor.

There is no universal employer divisor. These examples use annual salary ÷ 260 for a five-day working week, but your policy may specify another daily or hourly calculation.

Part-time days must reflect the working pattern. At £21,000 for three full days a week, a 52-week divisor is 156 days: £21,000 ÷ 156 = £134.62 per full day. The same annual pay over five shorter days gives £21,000 ÷ 260 = £80.77 per shorter day. These are different amounts of time off. An hourly scheme may be clearer.

The site's holiday-buy calculator uses a 260-day basis. Use it for the full-time examples below, not as a substitute for your employer's part-time calculation.

Three payroll models are common. Your employer policy will use one of these:

1. Spread evenly across 12 months (most common). The total annual cost is divided by 12 and appears as a steady reduction in your gross pay each month. Simple, predictable, and what most employees expect.

2. Spread across remaining months of the benefit year. If the election window closes mid-year — say in October for a benefit year that runs April to March — the full annual cost may be compressed into the remaining months. On a six-month spread the monthly deduction is double what it would be under the 12-month model.

3. Deducted in one or two lump sums. Rare, but some employers apply the full cost in the month the leave is taken, or split it across two payroll runs. This is cash-flow unfriendly for the employee and is usually reserved for very short scheme windows.

Because the deduction is from gross pay, the take-home hit is smaller than the gross cost. In England, Wales or Northern Ireland in 2026/27, where the whole reduction falls within the basic-rate and main NI bands, the employee saves 20% Income Tax and 8% employee NI — so the net cost is 72p in the pound. A reduction wholly within the 40% Income Tax and 2% NI bands saves those rates — a net cost of 58p in the pound.

Assume England in 2026/27, standard allowance, NI category A, no pension, loans or other adjustments, a five-day working week, 260-day divisor and a gross-pay reduction spread over 12 months.

• Gross cost: £35,000 ÷ 260 × 3 = £403.85 annually.
• Tax and NI reduction: 20% + 8% = 28%, approximately £113.08.
• Net annual cost: £290.77, or £24.23 monthly equivalent.

This compares the gross price with the take-home reduction. It is not a 28% saving over equivalent unpaid leave: unpaid leave normally also reduces taxable earnings. Timing, contractual rights and pension treatment can differ.

Open the £35,000 three-day purchase in the calculator. Figures are annual estimates; payroll rounding can differ.

Assume the employer permits both elections, only extra contractual leave is sold, both changes use the same 260-day rate and affect pay evenly across the year. Use England 2026/27, standard allowance, category A NI, no pension or loans.

• Buy five days: £60,000 ÷ 260 × 5 = £1,153.85 gross.
• Sell two days: £60,000 ÷ 260 × 2 = £461.54 gross.
• Net gross reduction: £692.31.
• At 40% tax and 2% NI on this slice, net cost is £401.54 a year, or £33.46 monthly equivalent.

Under these assumptions, the arithmetic matches buying three days. The calculator models that net three-day purchase, not two separate payroll elections. Different buy/sell rates or payment months can change the result.

Model the equivalent £60,000 three-day purchase.

Most workers have a statutory minimum of 5.6 weeks' paid annual leave, capped at 28 days. For a five-day week this is 28 days, which can include bank holidays. All of that statutory entitlement is protected: there is no general exception allowing the additional 1.6 weeks to be sold during employment.

Payment in lieu of untaken statutory leave is allowed when employment ends. Different arrangements can be agreed for contractual leave above the minimum. See GOV.UK's payment-in-lieu rules.

• 33 total days on a five-day week leaves at most five contractual days potentially available to sell.
• 36 total days leaves at most eight.
• For a regular three-day week, the statutory minimum is 16.8 days; keep fractional entitlement or use hours rather than rounding it down.

Your employer may allow fewer days or no sell-back at all. Irregular-hours and part-year workers have specific accrual rules.

Read the employer's policy before electing. It should explain:

• Benefit year and election window: when days must be used, when to apply and whether later changes are permitted.
• Purchase and sell-back limits: your working pattern, statutory leave floor and any operational limits.
• Price and payroll timing: how a day is valued, whether payments reduce gross or net pay and when deductions begin and end.
• Unused leave and leaving employment: carry-over, refunds, outstanding costs and the written basis for any final-pay recovery.
• Long-term absence: how sickness, maternity and other statutory leave affect payments and benefits. Do not assume that statutory pay can be sacrificed.
• Minimum wage: how payroll checks pay and hours and handles an election that would breach the applicable minimum.

Scheme terms differ. Ask HR to confirm unclear terms in writing rather than relying on another employer's practice.

Because holiday buy reduces your gross pay through payroll, it can affect anything that is calculated from gross pay. The three most common traps are:

Statutory Maternity Pay (SMP). The first six weeks are paid at 90% of average weekly earnings. HMRC defines the relevant averaging period using normal paydays around the qualifying week (the 15th week before the expected week of childbirth); it is usually at least eight weeks. A sacrifice affecting those earnings can reduce SMP. Ask payroll to identify your exact calculation window and explain any permitted election changes before agreeing the purchase. Do not assume an existing sacrifice can simply be paused.

Statutory Sick Pay (SSP). From 6 April 2026 SSP no longer has a Lower Earnings Limit or waiting days. It is paid from the first day of sickness at £123.25 per week or 80% of your average weekly earnings, whichever is lower. Most employees on reasonable salaries will still get the full £123.25 after a holiday buy sacrifice, but lower earners and people on variable hours could see their SSP reduced, because the sacrifice lowers their average earnings.

Employer pension contributions. Many auto-enrolment schemes calculate employer contributions on qualifying earnings (£6,240 to £50,270 in 2026/27) or on pensionable pay as defined by the scheme rules. If the scheme uses post-sacrifice salary for the employer calculation rather than total remuneration, a holiday buy sacrifice slightly reduces employer pension matching. Check the scheme rules.

Other earnings-linked entitlements that can be affected: enhanced occupational sick pay and maternity pay schemes, mortgage affordability assessments, life assurance cover if it is a multiple of salary, and certain season-ticket or cycle-to-work loan caps. None of these are dealbreakers — but all of them are worth a quick check.

Ask payroll for a written reconciliation of leave bought, leave taken and amounts already paid. The contract should explain unused purchased leave, outstanding instalments and any earlier sell-back payment.

An unused-day refund or recovery of outstanding costs depends on the scheme and applicable leave rules; neither the amount nor pre-tax/post-tax treatment should be assumed. Recovery from final pay needs a lawful basis, and excess-leave deductions should have been agreed in writing beforehand.

Statutory untaken leave on termination must be considered separately from the contractual purchase arrangement. See the official leaving-job guidance above.

Employer payroll systems differ, but the salary sacrifice usually shows up in one of two forms on the payslip.

Reduced gross pay line. The gross pay figure is simply the post-sacrifice amount. There is no separate holiday buy deduction line. This is the tidiest approach from a tax perspective — it mirrors how the sacrifice actually works — but it can look like your gross pay has silently dropped for no reason.

Named sacrifice line. Some employers show the original gross pay and then a negative line labelled "Holiday buy", "Holiday purchase", or similar. The tax and NI are still calculated on the net-of-sacrifice figure, so the mechanics are identical — but the deduction is visible.

If your first post-election payslip looks off, compare the new net pay against what the calculator predicts for your post-sacrifice gross. A match supports the estimate under your inputs but does not verify the scheme rules or every payroll adjustment. Ask payroll to explain differences and avoid subtracting the sacrifice twice.

Run your payslip through the checker →

Is holiday buy the same as holiday purchase? Yes — different employers use different names for the same scheme. "Holiday buy", "holiday purchase", "buy holidays", "additional leave purchase" and "flexible leave scheme" are all names for the same concept in UK payroll.

Can I sell my entire holiday entitlement for cash? No. The statutory minimum of 5.6 weeks (28 days for a full-time Monday-to-Friday worker including bank holidays) under the Working Time Regulations 1998 is a legal floor.

Do bank holidays count towards the 28-day minimum? Yes — the 5.6 weeks statutory entitlement can include bank holidays. Your contract will specify whether your leave allowance is quoted inclusive or exclusive of bank holidays.

Is there a tax advantage to selling holiday back? No — the cash received for sold days is subject to income tax and National Insurance in the normal way. The saving comes from the buy side of the scheme if it is set up as salary sacrifice.

Can I change my election mid-year? Usually only in limited life-event circumstances — marriage, divorce, new baby, bereavement, significant change to working pattern. Read your scheme's life-event policy.

Does holiday buy affect my State Pension qualifying years? It does not automatically do so. Earnings at or above the 2026/27 Lower Earnings Limit (£129 weekly) can protect your NI record even without an employee NI payment. A whole qualifying year depends on earnings across the year and any credits; check your NI record if your pay is near the limit or you have gaps.