London buildings open: Explore public access to historic and modern sites

When you think of London buildings open, publicly accessible structures in London that invite visitors inside, from government halls to cultural landmarks. Also known as publicly accessible architecture, these spaces let you walk through centuries of design, politics, and art—without a ticket. It’s not just about the big names like Buckingham Palace or the Tower of London. Many of the city’s most interesting buildings—some centuries old, others sleek and modern—are quietly open to anyone who shows up.

Historic London buildings, structures built before 1900 that still serve public or cultural functions today like the Royal Exchange, the Old Bailey, and the City of London’s livery halls often host free tours or open days. You can stand where judges once ruled, where merchants traded spices, or where poets read their work. Meanwhile, modern London architecture, contemporary buildings designed since the 1980s with public access as a core feature—like the Bloomberg European HQ or the Tate Modern’s Switch House—offer free viewing galleries, rooftop terraces, and quiet reading rooms. These aren’t just buildings; they’re civic spaces designed for people, not just tourists.

Accessible landmarks London, sites with physical and informational access for all visitors, including wheelchair users and those with sensory needs have become a priority. Many buildings now offer audio guides, tactile models, and step-free entry. Even places like St Paul’s Cathedral or the Houses of Parliament have made real efforts to welcome everyone. And it’s not just about grandeur—some of the best experiences come from lesser-known spots like the Guildhall Art Gallery’s hidden courtyard or the old crypts beneath St Bride’s Church.

What you’ll find in this collection are real, practical guides to walking through London’s most interesting interiors. Whether you want to tour a 17th-century merchant’s house, peek into a corporate innovation lab hidden in a converted warehouse, or sit in a public library designed by a Pritzker Prize winner, these posts show you how—and where. No ticket lines. No guided group rush. Just you, the space, and the stories built into the walls.