Temple Bar is the last surviving historic gateway to the City of London — a 350‑year‑old Portland‑stone arch designed by Sir Christopher Wren and completed in 1672. It once stood on Fleet Street, marking the ceremonial boundary where monarchs paused before entering the City. Today, it stands in Paternoster Square, beside St Paul’s Cathedral, and is rarely open to the public except during Open House London (officially Open House Festival), offering free access to hundreds of b