US tariffs hit UK imports

Tariffs are the story here — not because the UK suddenly lost access to the U.S. market, but because access got more expensive and more uneven. Most UK goods entering the U.S. still face a 10% baseline tariff. That has been true since April 2025, and it has not fully gone away. The twist is that London and Washington also struck a narrower economic deal that softened the blow for a few sectors, especially cars and aerospace. (commonslibrary.parliament.uk) ### What actually got hit? Most UK exports to the U.S. got swept into the broad U.S. tariff push that started in spring 2025. The basic shape is simple: a 10% tariff on most goods, plus much higher sector tariffs on things like steel, aluminium, and autos. So this is not one clean UK-specific penalty. It is a layered tariff system where the UK got caught in the wider U.S. trade reset. (commonslibrary.parliament.uk) ### Why is the UK deal only a partial fix? Because the Economic Prosperity Deal was never a full free-trade agreement. Basically, it created carveouts. The biggest one was for autos — the first 100,000 UK-made vehicles shipped into the U.S. each year get a 10% all-in tariff rate, while anything above that thre(commonslibrary.parliament.uk)ffs on UK aerospace goods set to fall back to normal most-favored-nation levels. (ustr.gov) ### Why do cars matter so much? Because autos were where the tariff shock was most obvious. Before the carveout, UK vehicle exports were staring at a 27.5% effective U.S. tariff. That is the kind of jump that can wreck margins fast, especially for premium manufacturers that rely on (ustr.gov)he U.S. in a normal year — so for now it looks less symbolic than it sounds. (ustr.gov) ### What about steel and aluminium? That part is messier. The deal signaled that the U.S. and UK would work toward an alternative arrangement on Section 232 tariffs for steel and aluminium, but the clean fix has taken longer. In plain English, that means UK metals exporters got political reassurance before they got full tariff certainty. For businesses, that gap matters more than the announcement. (ustr.gov) ### Did the tariffs already show up in trade data? Yes — and pretty quickly. UK official trade analysis has tracked goods flows after the tariff changes, and outside reporting has pointed to a sharp drop in UK exports to the U.S. after the April 2025 measures. Trade data always moves for more than one reason, but the direction is clear enough: tariffs changed the economics of selling into America. (ons.gov.uk) ### Why is the legal situation still fuzzy? Because the tariff story changed again in 2026. The UK Parliament library notes that a U.S. Supreme Court decision on February 20, 2026 altered the legal basis for sev(ons.gov.uk)d the rule keeping it alive. (commonslibrary.parliament.uk) ### What does this mean for companies? It pushes sourcing and sales decisions out of the old comfort zone. If you are a UK exporter, the question is no longer just “Can I sell into the U.S.?” It is “Which product line can still absorb the tariff, and which one needs a different market or a different production(commonslibrary.parliament.uk)al priorities, not consultant buzzwords. (commonslibrary.parliament.uk) ### So what is the bottom line? The U.S. did not shut the UK out. But it did make the relationship more conditional. A few big sectors won relief, most goods did not, and the legal ground under the tariffs is still shifting. That leaves UK exporters in a familiar but awkward place — still trading, still exposed, and still waiting to see which “temporary” tariffs turn permanent.