Your household presents a pronounced bifurcation, Sir: while your personal finances generate a robust 29.7% savings rate on £8,999 monthly income, the joint account is hemorrhaging capital at -79.4%, burning through £1,471 monthly despite shared income of £1,854. The liquid net worth of £179,279 provides reasonable insulation, though your investment portfolio at £131,089 remains modest relative to the £170,323 mortgage outstanding—you're carrying more debt than deployed capital. Commission volatility (£18,581 average against a high of £38,145) should be factored into spending discipline going forward, particularly given the joint account's structural deficit. Systems nominal: cash reserves healthy, wealth concentration in pensions requires attention to long-term rebalancing.