01 / 27 · Practice · Affordability
Plan 5 on the payslip, HPP on the offer.
UK student finance is a scholarly split. Affordability engines are not. They will count the deduction. So will a shrinking deposit.
The Mizan desk · 7 September 2026 · 7 min
This magazine will not settle Plan 2 and Plan 5. The student-finance guide maps both readings. What the house issue must say: PAYE deductions reduce the income an HPP underwriter will use, and a graduate with a 9% deduction is a thinner borrower in a market that already charges a premium.
Do not mix the two splits
Taking the Halifax because student finance ‘is already riba’ is stacking a contested file on top of a clear one. If you hold the permit-for-need view on SLC, you still have a live prohibition on a conventional mortgage. If you hold the prohibit view on SLC, accelerating that balance is a separate conversation with a scholar, not a reason to take more riba on a house.