The London Festival of Architecture takes over the city for the month, with venues all over London covering everything from Lego to social architecture (June 1-30)

The Honourable Artillery Company (HAC) grounds hosts the London Concours, three days of classic car events, with 80 of the world's most gorgeous vehicles on show (June 3-5)

Somerset House stages the London Design Biennale, three weeks of innovative global design talks, exhibitions, performances and workshops on the theme of 'Surface Reflections' (June 5-29)

This year's London's Borough of Culture, Wandsworth, runs its three week Wandsworth Fringe arts festival has begun with events all over the South London borough - see WelcometoWandsworth.com (June 6-22)

The poppies are back! 30,000 of the original 888,000+ poppies in Paul Cummins' artwork, made in 2014 to commemorate the First World War, are back for the 80th anniversary in the Tower of London moat (until November 11).

This year's Serpentine Pavilion, an elongated tent form inspired by South Asian vernacular architecture and designed by Bangladeshi architect Marina Tabassum, opens on the 6th in Kensington Gardens.

The charming Charles Dickens Museum on just as charming Doughty Street celebrates its 100th birthday with an exhibition on his life and work (throughout 2025)

The National Maritime Museum in Greenwich reopens its central space, Ocean Court, focusing on the undersea world, on June 7.

The Barnet Mediaeval Festival features a re-enactment of the Battle of Barnet during the Wars of the Roses, canon firing, mounted knights in combat, music, dancing and historical encampments (June 7/8)

The much-loved London Open Gardens Festival allows the public into normally off-limits gardens, with two new rooftop gardens and access to the Marlborough House garden for the first time (June 7/8)

Last chance for the National Gallery's 'Siena - The Rise of Painting - 1300-1350', full of dazzling gold and exquisite painting by Sienese artists (until June 22)

'Dress Codes' at Kensington Palace explores the coding involved in royal fashion over the centuries - with a brilliant fashion catwalk display by young designers (until Nov 13)

The Regent's Park Open Air Theatre's summer season is under way, with Rodgers & Hammerstein ballets, Mallory Blackman's 'Noughts & Crosses', Roald Dahl and Brigadoon (to Sep 20)

Entries to much-loved Wildlife Photographer of the Year exhibition are on show at the Natural History Museum in South Kensington (to June 2026)

Yee ha! Dosey-doh down to South London for the Lambeth Country Show, which takes over Brockwell Park with loads of science and arts events, food, music and family fun (June 7/8)

South Kensington takes a breather and closes the road between its great museums for the Great Exhibition Road Festival, with workshops, demonstrations, a Discovery Tent and Family Friendly Zone (June 7/8)

'The Edwardians: Age of Elegance', another excellent exhibition from the Royal Collections Trust, has landed in the King's Gallery at Buckingham Palace (to Nov 23)

Could Life Exist Beyond Earth? Find out at the Science Museum's new ticketed show, with tons to see including a 4.5 billion-year-old meteorite. Suitable for 8+ (to Feb 22 next year)

Londoner Little Simz' curates the 30th Meltdown at the Southbank Centre, with lates, talks, performances and writing and poetry workshops (June 12-22)

The British artists Edward Burra and Ithell Colquhoun- surrealists and documenters of the UK's underworld working in the 1930s and 1940s - share a show at Tate Britain (June 13-Oct 19)

'Grayson Perry: Delusions of Grandeur' features 40 new works on display in the august, but oddly cool, surroundings of the Wallace Collection on Manchester Square (until October 26)

'Feel the Sound' focus on frequencies and human perception of sound, using multi-sensory installations that take you across locations in the Barbican, from car parks to the Lakeside Terrace (to Aug 31)

The London Symphony Orchestra's Chief Conductor Sir Antonio Pappano conducts BMW Classics, the LSO's free annual outdoor summer concert in Trafalgar Square (June 15)

Check out one of the world's oldest cultures and a booming 21st century economy in 'Ancient India, Living Traditions' at the British Museum (to Oct 19)

Here East, formerly the broadcast centre for the London 2012 Olympics, is the perfect setting for the ticketed World Press Photo Exhibition, in the MPB Gallery for three months (closes Aug 23)

Summer regular Opera Holland Park features The Flying Dutchman and Handel's Semele, among others, along with events from dress rehearsals to outdoor singing (to Aug 22)

V&A Voom! The spectacular V&A East Storehouse is now open in the Queen Elizabeth Olympic Park, with 250,000 historically priceless stored objects on show, Ikea-style, for the first time - go!

The Royal Academy Summer Exhibition, the world's largest open submission art show, opens this month with thousands of works on show by professionals and amateurs alike (June 17 to Aug 17)

London's 33rd Raindance Film Festival takes over the capital for two months, with UK/International indie films showing across town, awards up for grabs and workshops, talks and events at House of Raindance (June 18-27)

Enjoy the music smorgasbord that is West End Live!, with cast members performing snippets from their shows live and free on stage in Trafalgar Square (June 21/22)