A Forces Help to Buy (FHTB) application isn't a guarantee of mortgage approval because lenders and the MOD look at your pay packet through two completely different lenses. While the MOD might agree to lend you up to £25,000, a high-street lender will often reduce your maximum borrowing amount because that FHTB loan is treated as a monthly debt commitment. If your total monthly credit repayments—including the new mortgage and the FHTB repayment exceed 55% of your gross househo

Most lenders will reject a mortgage application if they spot an undisclosed debt on a payslip, but for many service personnel, the 'debt' is actually an old Long Service Advance of Pay (LSAP) balance that hasn't been properly cleared or converted. Understanding how the Ministry of Defence transitioned from LSAP to the Forces Help to Buy (FHTB) scheme is essential because even in 2026, legacy administrative errors during this switch can stall a property purchase at the elevent