Open House Festival 2026: Explore New Architectural Gems Across London

London's annual Open House Festival is returning from 12 to 20 September 2026, offering access to more than 800 locations and activities across the capital. The event gives visitors a rare opportunity to go inside sites and architectural spaces that are usually restricted to the public. While many venues permit walk-in drop-ins, select locations require advance booking. Travelers looking for newly added entries can use a dedicated filter on the official listing website to discover venues debuting in this year's lineup.

【1-Day Tour Routes】London Departure | Explore Cambridge and Medieval England

Available tomorrow

HKD 765 Start

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【1-Day Tour Routes】Departure from London | Leeds, Canterbury, White Cliffs & Greenwich Tour

Book today before 18:00

HKD 912 Start

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Highlights New to the 2026 Festival Lineup

• John Lobb (St James's): Guided tours on 12 September explore the Georgian shop premises and backrooms of this traditional shoemaker, famed for crafting footwear for notable figures.

• West Ham Pumping Station: Open on 12 September, this late 19th-century site features two large beam engines originally designed to lift local sewage to the Northern Outfall Sewer.

• Ongéan (Herne Hill): Welcoming guests on 12, 13, 17, 18, 19, and 20 September, this venue housed in railway arches includes artist studios, an edible garden, and an on-site cafe.

• St George the Martyr (Bloomsbury): On 13 September, free tours with on-the-day booking give visitors access to climb into the roof space and view the historic ceiling designed by Hawksmoor.

• Carbonic Gas Works (Lea Bridge Road): Open on 13, 15, 16, 17, 19, and 20 September, this 18th-century former factory space now functions as artist studios.

• Resonance FM (Southwark): Free expression and diverse art take center stage during open days on 14, 15, 16, and 18 September at this independent radio station.

• County Hall (Kingston): Guided tours on 16, 18, and 19 September take visitors through the Edwardian corridors, chambers, and hidden spaces of this historic seat of local government.

• Gaumont State Theatre: Open on 18 September, this Art Deco former cinema turned church features a capacity of over 4,000 seats, a large functional Wurlitzer organ, and a performance history that includes The Beatles, Ella Fitzgerald, and Louis Armstrong.