Assumptions and pay data
Pay data: HMPPS pay (Prison & Probation). Probation Band C: illustrative £61,042 to £75,224, 2026/27 figures. Checked 4/9/2026.
- The London options, £4,440 inner, £2,090 outer and £950 fringe, are rounded illustrations, not HMPPS rates.
- RHA is paid to some managers; if it is on your payslip, set the percentage from your own pay.
Allowances & Enhancements Calculator
England & WalesHMPPSReviewed 4/9/2026
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Guide for Head of PDU
This guide explains how allowances and enhancements sit on top of basic pay for Head of PDU on Probation Band C at Probation & Prisons. Select only enhancements that apply to your rota, location and contract.
Enhancements for Head of PDU
As Head of PDU at Probation & Prisons, total pay often includes enhancements on top of basic band pay on Probation Band C. Eligibility depends on your rota, location and contract. The calculator adds selected allowances to illustrative basic pay from HMPPS pay (Prison & Probation).
Stacking rules
Employers have rules on which allowances can be combined. This tool adds selected items to your base pay for illustration. Use your band and spine point, or enter your payslip gross as the base.
Example scenario
Example: £61,042 base pay plus an illustrative 5% add-on (£3,052), £64,094 in all. The calculator itself opens with no allowances added.
| Base band pay (example) | £61,042 |
|---|---|
| Illustrative allowance add-on (5%) | £3,052 |
| Total gross (example) | £64,094 |
Frequently asked questions
What should I put in the boxes?
The payments on your payslip as a share of basic pay. Last year's payslips are the best guide.
Do you store my inputs?
Your calculator inputs and results stay in your browser and are not stored. We only collect your name and email if you choose to give them, for example to download your results or sign up for email updates. We store them with MailerLite, our email provider, along with the page you were on. See our privacy policy.
About this role
What is a Head of PDU?
A Head of Probation Delivery Unit (PDU) is a senior Probation Service leader responsible for operational and strategic management of a PDU (formerly Local Delivery Unit). Posts are typically NPS Pay Band C. Our figures are illustrative ranges based on published Justice Jobs advertisements.
Typical demands, progression and balance
Head of PDU roles sit near the top of the Probation Service management structure and involve leadership, resources and partnership working.
What allowances or extras apply?
Allowances and enhancements vary by employer and role. Use the calculator above to add common allowances to your base pay.
Disclaimer
Illustrative estimates, not financial or career advice. Your payslip and contract decide what you are actually paid.