Around patios and pergolas, the appeal of waterproof outdoor string lights UK shoppers tend to favour is straightforward: they cast a broad, flattering ambient light without the harshness of a wall fitting. Festoon-style bulbs suit dining areas and seating zones particularly well, while finer fairy-light runs work better as soft edging along beams, railings and posts.
The practical difference comes down to power and placement. Solar sets are tidy and easy to live with on smaller patios that catch decent sun, but mains-powered strings are usually the more reliable choice for larger pergolas, shaded gardens and regular evening use in the UK. Shatterproof bulbs and a generous cable length also make day-to-day use far less fiddly.
It is also worth thinking about how the set will hang before you fix anything. Heavier festoon runs often need proper anchor points or a guide wire across wider spans, particularly in exposed gardens where wind puts extra strain on clips and pergola frames.