London street style is difficult to summarise because the city does not dress as one place. What appears in Shoreditch, Peckham, Soho or Hampstead may share very little beyond the practical demands of walking, public transport and weather that can change several times in a day.
That practicality explains some recurring choices. Layers are useful. Trainers and boots survive long journeys. Trench coats, technical jackets and knitwear return because they work, not because the entire city has agreed on a seasonal uniform.
Old and new sit easily together
Vintage and secondhand clothing are visible across the capital, often mixed with contemporary basics or sportswear. A tailored jacket may sit over a hoodie; formal trousers may be worn with trainers. These combinations are not uniquely London inventions, but the density of different subcultures and communities gives the city an unusually broad visual vocabulary.
It is also worth resisting the temptation to treat every pavement as a runway. Most people are dressing for work, school, errands or a night out rather than performing a coherent aesthetic. The interesting outfits emerge precisely because personal taste collides with practical necessity.
London style changes quickly, but its most durable characteristic is probably this willingness to mix categories that once seemed separate: formal and casual, old and new, expensive and secondhand, functional and decorative. The result is less a trend report than a snapshot of a city that rarely settles on one look.