The British economy faces a new period of uncertainty as the “US war with Iran” threatens to dismantle recent progress in curbing inflation. Chancellor Rachel Reeves informed G7 leaders and UK lawmakers alike that the duration and severity of the conflict will dictate the level of financial pain felt by British households. With Brent crude acting as a volatile benchmark for the crisis, the Treasury is bracing for a sustained period of high energy costs.
Strategically, the UK is navigating a precarious position due to its reliance on Middle Eastern liquefied natural gas (LNG). The Strait of Hormuz has become a focal point for Iranian retaliation, with security chiefs in Tehran suggesting that the flow of energy will be restricted as long as military strikes continue. This “energy blockade” is designed to inflict maximum damage on the Western economy, specifically targeting the inflation targets of nations like the UK.
Domestically, the Chancellor is sticking to her plan to raise fuel duty by 5p in September, despite the worsening global situation. This decision has provided an opening for the Conservative opposition, who are framing the tax hike as an unnecessary burden on struggling motorists. Reeves maintains that the government’s priority is a “coordinated response” rather than isolated tax cuts that might undermine the national budget.
The Bank of England’s decision to likely hold interest rates through 2026 reflects the growing fear that the war will keep inflation stubbornly above the 2% target. Financial markets have already responded negatively, with stocks dipping as investors price in the costs of a prolonged military engagement. This suggests that the “peace dividend” many hoped for in the post-pandemic era is being replaced by a “war premium” on essential goods.
Public sentiment is increasingly pessimistic, with YouGov data showing that most households expect their finances to worsen significantly. The government’s challenge is to balance the need for fiscal discipline with the political necessity of supporting those most affected by the price hikes. As the conflict enters a new phase under Tehran’s updated leadership, the UK’s economic resilience will be put to its most significant test since 2022.