Vistry Group just posted a half-year pre-tax loss of £661.3m — against a £40.9m profit a year ago — dragged down by a £475m writedown on land and developments and a £73m building safety provision. The company completed 6,304 homes, down 8% year on year, while revenues fell 9% to £1.7bn. Net debt jumped from £293.1m to £468.8m. The share price dropped more than 8% on the morning of the announcement, extending a year-to-date decline of close to 60%. The proximate causes are a £600m pile of unsold homes that required average discounts of 7.1% to shift — now reduced to £220m of remaining stock — plus "disappointing summer sales of private homes" and the collapse or renegotiation of affordable housing deals. Cost inflation of 3-4%, driven in part by the Iran war's effect on fuel prices, squeezed margins further. This is a company caught between weak demand and rising input costs with no pricing power. New CEO Adam Daniels, in the job since April, is executing what amounts to a controlled retreat. Vistry will exit private sales in south-east England entirely, cut its land bank from 51,000 to 36,000 plots, consolidate from 25 regional offices to 12, simplify its product range and brands, and pivot harder toward the north, Midlands, and west. The workforce has already been cut to 4,150, with 350 departures since summer, and a new £50m cost savings programme sits on top of the earlier £25m voluntary redundancy scheme. Full-year adjusted profit is now guided at £165m — a number that depends entirely on the second half recovering from the first half's £83.3m adjusted loss. The structural pivot is toward government-backed affordable housing. In August, Vistry received £350m — the largest single allocation under the £39bn social and affordable homes programme — to build 3,000 affordable homes. This makes the company increasingly a vehicle for public policy delivery rather than a private-market housebuilder, one of 33 strategic partners in the programme. The question is whether this is a durable business model or a dependency. The extraction dynamic runs in multiple directions. Homebuyers captured value through steep discounts on the unsold pile. Shareholders have absorbed a 60% capital destruction year-to-date. Workers face ongoing job losses. And taxpayers are now backstopping the company's pivot through the affordable homes programme, effectively socialising demand risk for a listed corporation. The Iran war's fuel-price impact acts as an exogenous cost amplifier, squeezing margins that were already thin. Victoria Scholar of Interactive Investor framed the macro picture clearly: the energy shock has crushed consumer confidence and affordability, while higher-for-longer interest rates suppress mortgage demand. Vistry's problems are partly idiosyncratic — the unsold pile, the writedowns, the safety provisions — but partly structural to the entire volume-housebuilder model, which depends on cheap land, cheap debt, and steady private demand. When all three disappear simultaneously, the business model doesn't bend, it breaks. The 20-year trajectory here is instructive. If Britain's largest housebuilders increasingly depend on government allocation rather than private demand, the housing market becomes a de facto public works programme operated by listed companies extracting management fees and margins. That might deliver homes, but it concentrates the financial upside while socialising the demand risk — a textbook extractive structure wearing the costume of public service.