Let your kids run riot in the Square Mile at a festival that hopes to turn five-to-eleven-year olds into 'architectives'. Some of the City's most iconic buildings are opening to families for workshops and activities that will help children explore aspects of design and construction. Highlights include sessions at the Gherkin, a new festival hub at 6 Bevis Marks, scooter competitions and DIY events.
The greatest classical music festival on earth returns to London's Royal Albert Hall. It's time for the Proms! Until 12th September.
BBC Proms in the Park in Hyde Park has become a highlight of the BBC Proms calendar. Get there early for the main evening performance, when the park will link up with the event at the Royal Albert Hall for the traditional Last Night finale.
Visit Buckingham Palace, of the world's few remaining working palaces, in London this Summer. Until 27th September 2015.
Celebrate the Muslim festival of Eid in Trafalgar Square to mark the end of Ramadan.
The Euro Hockey Championships showcases the best eight field hockey teams, including Germany, Netherlands and Belgium, for both the men's and women's game in Europe.
The Southbank Centre's having quite the love-in this summer with the return of their Festival of Love – two months' worth of installations, activities, pop-ups and performances that celebrate humankind's most overwhelming emotion. Installations include a pavilion called Arcadia, which is made from colourful, translucent plastic strips and aims to create a space for contemplation and peace. Until 31st August.
Catch some true legends from the music world in spectacular surroundings, as Greenwich Mean Time returns to the historic Old Naval College. Sir Tom Jones and Ray Davies top a line-up of legendary performers. Until 26th July.
Calling fashionistas! Discover the latest fashions at catwalk shows, find the perfect addition to your wardrobe and enjoy a range of events during London Fashion Weekend SS16 at Saatchi Gallery. Until 27th September 2015.
After last year's super successful event, the London Triathlon is back for 2015 and is expecting a record number of triathletes to take part. The race sees top sportsmen compete alongside total novices and a variety of distances are on offer to suite all abilities. Participants can choose from Super Sprint, Sprint, Olympic and Olympic Plus waves, and can also compete as part of a team relay. The event takes place at the site of the 2012 Olympics which is sure to have everyone feeling like a champion, even if you're up against 13,000 other people.
Ethan Hunt and the Impossible Missions Force return for 'Mission: Impossible - Rogue Nation'. The film stars: Tom Cruise, Jeremy Renner, Simon Pegg, Ving Rhames, Alec Baldwin, Rebecca Ferguson. Stars confirmed to attend: Tom Cruise, Simon Pegg and director Christopher McQuarie.
The streets of West London come alive every August Bank Holiday weekend as London celebrates Europe's biggest street festival - The Notting Hill Carnival. Since Notting Hill Carnival debuted in 1964, the event has undoubtedly grown and morphed, attracting ever more revellers with its spectacle of floats featuring calypso, mas and pan bands as well as a series of soundsystems for alfresco dancing. You can be sure of dense crowds and a vibrant celebration of music, movement and masquerade together with Caribbean food stalls serving up jerk chicken and fried plantain. Until 31st August.
Hop on your bike and join Prudential RideLondon, a world class festival of cycling in London. Until Sunday 2nd August.
The loud, fast and frankly terrifying Red Bull Air Race returns for 2015, with the British leg of the Championship being hosted for a second year at Royal Ascot. Daredevil pilots including World Champions, Paul Bonhomme and Nigel Lamb will negotiate the racecourse at just a few metres about the ground, barrel-rolling and looping their way through obstacles at some 230mph. There'll be plenty of thrills, but not - we hope - any spills.
Rugby World Cup 2015 is a nationwide tournament with 20 teams playing 48 matches in 13 venues across the UK. Until 31st October 2015.
The team behind the Regent's Park Open Air Theatre's 2013 hit show 'The Sound of Music' reunite for the summer of 2015 on this new production of the golden oldie musical 'Seven Brides for Seven Brothers'. Rachel Kavanaugh returns to direct the show, which follows a man looking for a wife to help him run his household of seven brothers in Oregan, USA, in the 1850s. Some classic tunes are featured including 'Bless Your Beautiful Hide', 'Going Courtin' and 'Barn Dance'. Until Saturday 29th August.
A brand new show at the London Palladium featuring new footage of Ol' Blue Eyes and a load of his songs sung live with the help of a 24 piece orchestra. Until Saturday 10th October.
Head to South London this August Bank Holiday to enjoy two days of dance music with appearances from Skrillex, Faithless, Fat Boy Slim, Eric Prydz and Basement Jaxx. Until 30th August 2015.
A Shoreditch car park is transfored into a food-focused party for this weekly night market which features a revolving cast of traders. Dishes from all over the world are served from stalls and trucks; regular options include Venezuelan beef arepas (maize flour flatbreads), vegan hand-made pasta, Brazilian chorizo wraps, Belgina waffles and the ubiquitous (but undeniably delicious) pulled pork in a soft brioche bun. Until 19th December 2015.
The Waterloo area is packed with restaurants, pubs, cafés, bars and specialist food shops and they've collaborated to stage The Waterloo Food Festival: a month of exclusive events, tastings and demonstrations. Highlights confirmed so far include an evening food fair (July 2), an outdoor cocktail making session (July 16) a family fete (July 18) and a world food showcase (July 30). A surplus food challenge will take place on July 9 in which Waterloo chefs will be tasked with creating a tempting dish using only surplus food in 30 minutes flat. Local venues such as House of Vans, Assado, Baltic and The Walrus will be offering their own events and discounts, too. Until 31st July 2015.