Russell Square

Russell Square sits right in the heart of Bloomsbury, a proper London green space that doesn't pretend to be anything grander than it actually is. The gardens are Victorian - laid out in the 1800s - and they've kept that formal feel with clipped hedges, flower beds, and plane trees that tower overhead. You get benches everywhere, a café in the middle, and enough space to genuinely lose the noise of the city for twenty minutes or so.

It's not a nature reserve in the wild-rambling sense. Think structured, manicured, the kind of place where locals come to eat lunch and tourists drift through between the British Museum and the shops on Tottenham Court Road. If you're after woodland walks or proper countryside, head further out. But if you want to sit down, watch people, and remember that London does have trees, it delivers.

The square works brilliantly as a breather during a London day - free, always open, never more than a five-minute walk from the Tube. Come midweek morning if you want it quieter. Families with younger kids might find an hour plenty; older children who want adventure will get bored quickly. It pairs well with a stay at Lovat Parks, which is just over two miles away - gives you a proper park base while keeping central London accessible for when you need it. Allow 30-45 minutes maximum unless you're really just settling in with a book.