Ever wondered what’s behind closed doors in London? Open House Festival is happening this week- explore hidden spaces, iconic buildings & secret spots across the city, all for free! 📅 13–21 September 2025 📍Across London @opencity_uk @thecityofldn #VisitLondon #OpenHouseLondon #HiddenLondon #LondonArchitecture #londonhiddengems #londonhistory #historiclondon #londonguide #openhouselondon #openhouse2025 #thingstodoinlondon #londonrecommendations #behindthescenes #secretlondon #hiddenlondon open house london 2025 | open house festival london | hidden gems london | secret london buildings | unique things to do in london | non touristy london | london once a year events | best free events london | london architecture festival | london hidden spots | open house weekend london | unique experiences london | london local secrets | off the beaten path london | london free entry events | discover london like a local | london secret tours | rare things to do london | london annual events 2025 | london historic buildings open
Attraction
Royal Courts of Justice
Courthouse
4.5
Ornate, Victorian Gothic building, opened in 1882, with a high-ceilinged great hall & law courts.
The Law Society Hall
Event venue
4.4
Temple Church
Church
4.6
Church of England church built by the Knights Templar & made famous by the author Dan Brown.
Two Temple Place
Historical landmark
4.6
Exhibitions of publicly owned British art in restored neo-Gothic Victorian mansion with oak panels.
Entertainment
The Honourable Society of the Middle Temple
Entertainment
4.6
16th-century hall with a carved, oak beam ceiling and stained glass windows, for events.