Selected galleries of the British Museum are open until 8.30pm every Friday evening, augmented by tours, special events and food and drink. Read more.
Design Overtime takes place irregularly every few months, when the museum opens from 6pm to 10pm for talks and workshops based on the current exhibitions Read more.
The National Gallery is home to more than 2,000 works, with masterpieces from virtually every European school of art. Weekly late-night opening is on Fridays until 9pm, with tours, talks and music. Read more.
The National Portrait Gallery is open until 9pm on Thursdays and Fridays Read more.
On Fridays the Royal Academy stays open until 10pm (last admission 9.30pm). Read more.
Tate Modern gets all the attention, but the original Tate Gallery has a more inclusive brief. It opens until 10pm every Friday and Late at Tate Britain takes place on the first Friday of each month. Read more.
Tate Modern does weekend after-hours gallery-going extremely well, opening till 10pm on Fridays and Saturdays. Read more.
Selected galleries remain open until 10pm on Fridays. Friday Lates, held on the last Friday of the month (except December), comprise mostly free, drop-in events, workshops and entertainment until 10pm Read more.
Attraction showcasing weird and wonderful items from around the world. It's open 10am-midnight daily (last admission 10.30pm) Read more.
The Barbican Art Gallery is open 11am-10pm on Thursdays, with talks, screenings and other events. And it’s open till 8pm during the rest of the week, too (except Wed: 11am-6pm). Read more.
The house that was Handel's home between 1723 and his death in 1759 is now a museum devoted to the composer's life. Weekly late opening is until 8pm on Thursdays, with concerts from 6.30 to 7.30pm. Read more.
The ICA programmes arthouse cinema, performance art, philosophical debates, art-themed club nights, and cutting-edge bands. The galleries are open noon-9pm on Thursdays during exhibitions. Read more.
Somerset House features a formidable art gallery, a beautiful fountain court, a terraced café and a classy restaurant. The courtyard and fountains are open until 11pm in in summer. Read more.
This swanky little museum houses a fascinating and often grisly medical collection. The galleries are open till 10pm on Thursday evenings, often accompanied by talks. Read more.
This East End stalwart reopened in 2009 following a major redesign and expansion. The weekly late opening of the galleries is on Thursdays, until 9pm. Read more.
The Women's Library houses a major collection of women's history including books, magazines, posters and photographs celebrating the women's lives they document. It opens until 8pm on Thursdays. Read more.
The popular Science Museum Lates take place on the last Wednesday of the month, when adults can explore the galleries free from noisy kids. Read more.
This north London gallery is in somewhat of a hinterland (it’s nowhere near Camden) but is also well loved for its consistently good galleries. It's open late weekly on Wednesdays, 10am-9pm. Read more.
The garden is open from April to October, with late-night openings until 10pm (last entry 8.30pm) on Wednesdays in July and August. Read more.
On the first Tuesday of each month, the museum opens late (6-9pm, last entry 8pm), and the rooms are lit by candles. Visitor numbers are generally high on these evenings, so early arrival is advised. Read more.
The British Library's exhibition spaces are open late weekly on Tuesdays, from 9.30am-8pm. On show are temporary displays as well as permanent exhibits in the John Ritblat Gallery. Read more.
