May 22–May 26: RHS Chelsea Flower Show
Chelsea
Until the 26th: Red, Blue, White: global colours
Oxford Circus
May 25–May 27: MCM Comic Con
Custom House
May 26–May 27: The Great British Tattoo Show
Wood Green
May 28, Monday: Star of Bethnal Green Street Party
Bethnal Green
From the 3rd: Skylight (Summer opening)
Wapping
All month: Underbelly Festival
South Bank
From the 25th: Midnight Apothecary
Rotherhithe
All month: Brixton Windmill Open Days
Brixton
All month: Deptford Market Yard
Deptford
All month: Votes for Women Centenerary Exhibition
Barbican
Jun 3, Sunday: London Hong Kong Dragon Boat Festival
Silvertown
Jun 9, Saturday: London Naked Bike Ride
Clapham Junction, Hyde Park, Regent's Park, Tower Hill, West Norwood
Jun 9, Saturday: Trooping the Colour
Westminster
Jun 9–Jun 10: Open Garden Squares Weekend
Westminster
Jun 2–Jun 10: Hammersmith & Fulham Artsfest
Hammersmith
Jun 16–Jun 17: West End Live
Charing Cross
Jun 11–Jun 17: London Tech Week 2018
Custom House, Shoreditch
From the 30th: Comida Fest Summer Season Vol. 1
Greenwich
From the 8th: Merge Festival
Blackfriars
From the 21st: Greenwich & Docklands International Festival
Greenwich
From Mid June: BP Big Screens at Trafalgar Square
Charing Cross
From Mid June: Free Tango Classes
Spitalfields
All month: Skylight (Summer opening)
Wapping
All month: Underbelly Festival
South Bank
All month: Midnight Apothecary
Rotherhithe
All month: Brixton Windmill Open Days
Brixton
All month: Deptford Market Yard
Deptford
All month: Votes for Women Centenerary Exhibition
Barbican
Until the 1st: Comida Fest Summer Season Vol. 1
Greenwich
Until the 1st: Merge Festival
Blackfriars
Jul 1, Sunday: London Symphony Orchestra Open-Air Concert
Charing Cross
Jul 7, Saturday: London Pride Parade
Baker Street, Charing Cross
Until the 7th: Greenwich & Docklands International Festival
Greenwich
Jul 7–Jul 8: Acton Depot Open Weekend: Family Fun
Acton
Until Mid July: BP Big Screens at Trafalgar Square
Charing Cross
Jul 13–Jul 14: Lovebox Festival
Bethnal Green
Mid July: Walthamstow Garden Party
Walthamstow
Mid July: Hyper Japan Festival
Kensington
Until the 22nd: Insight Astronomy Photographer of the Year Exhibition
Greenwich
Early–Late July: Free Film Screening…chosen by You!
Vauxhall
Jul 28, Saturday: Ride London FreeCycle
Aldwych, Bank, Blackfriars, Blackfriars, Charing Cross, South Bank
Jul 26–Jul 29: New Creatives
Blackfriars, Waterloo
Jul 21–Jul 29: National Park City Week
Blackfriars, Waterloo
From Early July: Festival of Love
South Bank
From Early July: London Bridge City Summer Festival
London Bridge, Tower Hill
All month: Free Tango Classes
Spitalfields
All month: Skylight (Summer opening)
Wapping
All month: Underbelly Festival
South Bank
All month: Midnight Apothecary
Rotherhithe
All month: Brixton Windmill Open Days
Brixton
From Mid July: Summer Season at Shakespeare’s Globe
South Bank
From Early July: Frieze Sculpture in Regent’s Park
Regent's Park
All month: Deptford Market Yard
Deptford
All month: Votes for Women Centenerary Exhibition
Barbican
From Mid July: Sculpture in the City
Liverpool Street
Aug 7–Aug 11: Great British Beer Festival
Kensington
Aug 11–Aug 12: Comida Fest Summer Season Vol. 2
London Bridge
Late August: Gin Festival London Summer 2018
Shadwell, Wapping
Aug 26, Sunday: London On Wheels: A Suffragette Story
Camden Town
Aug 26–Aug 27: Notting Hill Carnival
Notting Hill, Westbourne Park
Until Late August: Festival of Love
South Bank
Until Late August: London Bridge City Summer Festival
London Bridge, Tower Hill
From the 31st: Spin – The Cycling Festival
Rotherhithe
All month: Free Tango Classes
Spitalfields
All month: Skylight (Summer opening)
Wapping
All month: Underbelly Festival
South Bank
All month: Midnight Apothecary
Rotherhithe
All month: Brixton Windmill Open Days
Brixton
All month: Summer Season at Shakespeare’s Globe
South Bank
All month: Frieze Sculpture in Regent’s Park
Regent's Park
All month: Deptford Market Yard
Deptford
All month: Votes for Women Centenerary Exhibition
Barbican
All month: Sculpture in the City
Liverpool Street
Until the 2nd: Spin – The Cycling Festival
Rotherhithe
Sep 8, Saturday: The Great River Race
Rotherhithe
Until Mid September: Free Tango Classes
Spitalfields
Mid September: Great Gorilla Run 2018
Tower Hill
Mid September: Greenwich Comedy Festival
Greenwich
Until the 16th: Skylight (Summer opening)
Wapping
Sep 22–Sep 23: Open House London
Wapping
Sep 22–Sep 23: Acton Depot Open Weekend: Moving London
Acton
Late September: Japan Matsuri Festival
Charing Cross
Mid–Late September: London Design Festival
Charing Cross
Until the 30th: Totally Thames Festival
Wapping
Until the 30th: Underbelly Festival
South Bank
Until the 30th: Midnight Apothecary
Rotherhithe
From Late September: Catford Arts Trail
Catford
All month: Brixton Windmill Open Days
Brixton
All month: Summer Season at Shakespeare’s Globe
South Bank
All month: Frieze Sculpture in Regent’s Park
Regent's Park
All month: Deptford Market Yard
Deptford
All month: Votes for Women Centenerary Exhibition
Barbican
All month: Sculpture in the City
Liverpool Street
Until Early October: Catford Arts Trail
Catford
Early October: The Other Art Fair (Autumn)
Catford
Early October: London Cocktail Week
Aldgate, Angel, Clerkenwell, Farringdon, Islington, Shoreditch, Waterloo
Mid October: Africa on the Square
Westminster
Until Mid October: Brixton Windmill Open Days
Brixton
Until Mid October: Summer Season at Shakespeare’s Globe
South Bank
Mid October: Diwali Festival 2018
Westminster
Mid–Late October: Bloomsbury Festival
Bloomsbury
Late October: Festival of Fire and Light
Brent Park
From Mid October: London Literature Festival
South Bank
All month: Frieze Sculpture in Regent’s Park
Regent's Park
From Early October: East London Photography Festival
Aldgate, Clapton, Dalston, Whitechapel
All month: Deptford Market Yard
Deptford
All month: Votes for Women Centenerary Exhibition
Barbican
All month: Sculpture in the City
Liverpool Street
Until Early November: London Literature Festival
South Bank
Early November: Kingston Fireworks
Kingston Vale
Early November: Bishops Park Fireworks
Fulham
Early November: Blackheath Fireworks
Blackheath
Early November: Alexandra Palace Fireworks Festival
Wood Green
Early November: Battersea Park Fireworks
Wandsworth
Early November: Lambeth Fireworks
Herne Hill
Early November: Ravenscourt Park Fireworks
Hammersmith
Early November: Guy Fawkes Festival and Fireworks
Hammersmith
Early November: Hackney Firework Pyromusical
Hackney
Early November: The Regent Street Motor Show
Marylebone
Early November: Victoria Park Fireworks
South Hackney
Early November: Newham Guy Fawkes Night
Wanstead
Early November: Morden Park Bonfire & Fireworks
Wanstead
Until Early November: Frieze Sculpture in Regent’s Park
Regent's Park
Mid November: The Lord Mayor’s Show and Fireworks
London Bridge, South Bank, Waterloo
Early–Mid November: World Press Photo 2018 Exhibition
South Bank
Late November: Scandinavian Christmas Market
Rotherhithe
Late November: Hyper Japan Christmas Market
Wapping
Early–Late November: Enchanted Woodland at Syon Park
Wapping
Until Late November: East London Photography Festival
Aldgate, Clapton, Dalston, Whitechapel
All month: Deptford Market Yard
Deptford
From Mid November: Hyde Park Winter Wonderland
Westminster
From Late November: Christmas at Kew
Kew
From Late November: Winterville
Clapham
From Late November: Christmas By the River
London Bridge
From Late November: London Bridge Christmas Market
London Bridge
From Early November: Winter Festival at South Bank Centre
South Bank
All month: Votes for Women Centenerary Exhibition
Barbican
From Early November: Oxford Street Christmas Lights
Oxford Circus
From Mid November: Ice Skating at Somerset House
Aldwych
All month: Sculpture in the City
Liverpool Street
Early December: Njinga Santa Cycle
Richmond
Early December: The St John’s Hospice Christmas Fayre
St John's Wood
Early December: E17 Designer’s Christmas Market PT.I
Walthamstow
Early December: Portobello Winter Festival
Notting Hill
Mid December: E17 Designers Christmas Market PT.II
Walthamstow
Until the 22nd: Deptford Market Yard
Deptford
Dec 25, Tuesday: Peter Pan Cup
Hyde Park
Until Late December: Greenwich Wintertime Festival
Greenwich
From the 31st: New Year’s Eve Fireworks 2018
Westminster
All month: Hyde Park Winter Wonderland
Westminster
All month: Christmas at Kew
Kew
All month: Winterville
Clapham
All month: Christmas By the River
London Bridge
All month: London Bridge Christmas Market
London Bridge
All month: Winter Festival at South Bank Centre
South Bank
All month: Votes for Women Centenerary Exhibition
Barbican
All month: Oxford Street Christmas Lights
Oxford Circus
All month: Ice Skating at Somerset House
Aldwych
All month: Sculpture in the City
Liverpool Street
Jan 1, Tuesday: New Year’s Day 10K run and 3k fun run
Hyde Park
Until the 1st: New Year’s Eve Fireworks 2018
Westminster
Until Early January: Hyde Park Winter Wonderland
Westminster
Until Early January: Christmas at Kew
Kew
Until Early January: Winterville
Clapham
Until Early January: Christmas By the River
London Bridge
Until Early January: London Bridge Christmas Market
London Bridge
Until Early January: Winter Festival at South Bank Centre
South Bank
Until the 6th: Votes for Women Centenerary Exhibition
Barbican
Until Early January: Oxford Street Christmas Lights
Oxford Circus
Until Mid January: Ice Skating at Somerset House
Aldwych
Mid–Late January: Lumiere London
Westminster
Mid–Late January: London Art Fair
Westminster
Mid–Late January: London Short Film Festival
East London, Soho
Mid–Late January: Winter Lights at Canary Wharf
Canary Wharf
Until the 31st: Poster Women: A Century of Art and Design
Canary Wharf
From Early January: London International Mime Festival
South Bank
From Mid January: Condo
Charing Cross, East Central London, Euston, Holborn, Hoxton, Lambeth
From the 19th: Magic Lantern Festival
Chiswick
From Late January: Vault Festival
Waterloo
All month: Sculpture in the City
Liverpool Street
Until Early February: London International Mime Festival
South Bank
Until Early February: Condo
Charing Cross, East Central London, Euston, Holborn, Hoxton, Lambeth
Mid February: London Pancake Day 2019
Charing Cross, East Central London, Euston, Holborn, Hoxton, Lambeth
Mid February: Chinese New Year
Charing Cross
Mid February: Gin Festival London Winter 2019
Shadwell, Tower Hill, Wapping
Mid February: The London Classic Car Show
Custom House
Mid February: London Motorcycle Show
Custom House
Late February: Craft Beer Rising
Shoreditch
Late February: London Bike Show
Custom House
Until the 26th: Magic Lantern Festival
Chiswick
From Early February: Orchids Festival
Hammersmith
All month: Vault Festival
Waterloo
All month: Sculpture in the City
Liverpool Street
Mid March: Head of the River Race
Mortlake, Putney
Early–Mid March: WOW – women of the world festival
South Bank
Until Mid March: Orchids Festival
Hammersmith
Mid March: London Beer Week 2019
Shoreditch
Until Mid March: Vault Festival
Waterloo
Mid March: Move It
Custom House
Late March: The Boat Races
Mortlake, Putney
Mid–Late March: BMW Tate Live Exhibition Ten Days Six NIghts
Blackfriars
From Late March: The Lock Tavern Festival
Blackfriars
From Late March: Horniman Easter Fair
New Cross
All month: Sculpture in the City
Liverpool Street
Until Early April: The Lock Tavern Festival
Blackfriars
Until Early April: Horniman Easter Fair
New Cross
Early April: London International Pillow Fight 2019
Shoreditch
Early April: Vape Jam UK 4
Custom House
Mid April: London Coffee Festival
Aldgate
Early–Mid April: London Games Festival
Westminster
Late April: Feast of St George in Trafalgar Square
Westminster
Mid–Late April: The Creative Craft Show London
Custom House
Mid–Late April: Sonica Installations
King's Cross
Late April: London Marathon 2019
Greenwich, Westminster
Late April: Vaisakhi Festival 2019
Westminster
All month: Sculpture in the City
Liverpool Street
From Late April: New Cross and Deptford Free Film Festival
Deptford, New Cross
Until Early May: Sculpture in the City
Liverpool Street
Until Early May: New Cross and Deptford Free Film Festival
Deptford, New Cross
Early May: Days of Poland Festival
London Bridge
Early May: Canalway Cavalcade
Little Venice
Early May: Bardeblah at Balham Bowls
Balham
Mid May: Museums at Night
Camden Town, Westminster
Mid May: Urban Village Fete
Greenwich
Mid May: Photo London
Aldwych
Mid May: London Wine Week
Liverpool Street, Moorgate
Mid May: London Pizza Festival
London Bridge
Mid May: The London Motor Show
Custom House
Mid May: State Opening of Parliament
Westminster