Clarissa’s Corner
What’s On Calendar
UK theatre, events, days out, horror, cinema, streaming & seasonal favourites.
A simple date-first guide to what is happening and when. Tap any event to open the full Clarissa’s Corner guide.
This Month: September 2026
Quick view: heritage weekends, local open days, theatre, culture and September cinema are all underway.
Coming Up Next
- 6 September — Wisdom & Wyrd Market Witchy / Market
- 6 September — Riverside Revels at Crossness Heritage
- 11–20 September — Heritage Open Days 2026 Free / Heritage
- 12 September — Italia Conti Sidcup Free Open Day Performing Arts
- 12 September — Charlton House Open House Free / Heritage
September 2026
- 1–30 September — Totally Thames Festival 2026 — London / River Thames Festival & Culture
- 6 September, 11am–4pm — Wisdom & Wyrd Market — Chislehurst Caves Witchy / Market
- 6 September — Riverside Revels — Crossness Heritage
- 11–20 September — Heritage Open Days 2026 — London, Greenwich & Kent Free / Heritage
- 12 September — Italia Conti Sidcup Free Open Day — Sidcup Performing Arts
- 12 September — Charlton House Open House — Charlton Free / Heritage
- 18 September — The Living Thames concert — Crossness Music & Heritage
- 19 September — Creekside Discovery Centre Open Day — Deptford Wildlife / Family
- 19 September — The Producers – final West End performance — Garrick Theatre Theatre
September Round-Ups
October 2026
- 2 October — Verity – UK cinema release Cinema / Thriller
- 4 October, 10am–3pm — Severndroog Castle Producers’ Market — Shooters Hill Market / Local
- 5–7 October, 11am–2.30pm — Conservation in Action — Chartwell Heritage / Conservation
- 19 October, 11am–12.30pm — Free Fungi Walk — Petts Wood & Hawkwood Free / Nature
- Until 10 October — Holy Fool — Park Theatre Theatre
- 16 October — ABBAMANIA — Broadway Theatre Catford Music
- 17–18 October — Halloween Steampunk Spooktacular — Crossness Halloween
- 18 October, 11am–4pm — Horn Fair — Charlton House Free / Local
- Until 24 October — Darkling — Bush Theatre Theatre
- 24 October–1 November, 10am–4pm — Halloween at Eltham Palace: Great Pumpkin Party — Eltham Family Halloween
- 29 October — Little Folk Halloween Pop-Up — Beckenham Place Park Early Years / Halloween
- 30 October — ZooLab – Zoo on a Broom — Hall Place Family Halloween
- 31 October — elrow Horroween — Drumsheds London Halloween Festival
October Round-Ups
November 2026
- 1 November — PJ Express — Stephenson Steam Railway Family Railway
- 1 November, 10am–3pm — Severndroog Castle Producers’ Market — Shooters Hill Market
- Until 1 November — The Gruffalo Art Adventure — Knole Family Trail
- Until 1 November — Voyage to the Deep – Underwater Adventures — Horniman Museum Family Exhibition
- 8 November — Flying Trapeze Workshop — AirCraft Circus Creative Activity
- 14–15 November, 10am–4pm — Hall Place Christmas Craft Fair — Bexley Christmas Market
- 21 November — Loose Ends Homecoming Show — Broadway Theatre Catford Music
- 21 November–2 January — Robin Hood and the Merry Mandem — Theatre Royal Stratford East Pantomime
- 24–28 November — Mean Girls — New Wimbledon Theatre Musical
November Round-Ups
December 2026
- 1–5 December — SIX The Musical — Theatre Royal Brighton Musical
- 2 December, 8.30–10am — Free Winter Bird Walk — Petts Wood & Hawkwood Free / Wildlife
- 3–6 December — The Tale of a Winter Whale — Hall Place Family / Christmas
- 4–24 December — John Lewis Santa’s Tea Party — Selected stores Christmas / Family
- 4 December–3 January — Peppa Pig’s Big Family Show — Theatre Royal Haymarket Family Theatre
- 5 December–3 January — Sleeping Beauty — Churchill Theatre Bromley Pantomime
- 6 December — Christmas Steaming Day — Crossness Heritage / Christmas
- 9–31 December — Cinderella — Broadway Theatre Catford Pantomime
- 10–30 December — Tinderella — Riverside Studios Adult Panto
- 12 December — Kids Roller Disco — The Albany / Deptford Lounge Family
- 12 December–3 January — Cirque Alice — Royal Festival Hall Circus / Theatre
- 14 December–2 January — Mean Girls — The Alexandra, Birmingham Musical
- 17 December — Little Folk Christmas Sing-Song — Beckenham Place Park Early Years / Christmas
- 18 December–2 January — SIX The Musical — Swansea Arena Musical
- 30 December, 5pm — Cinderella BSL Signed & Relaxed Performance — Broadway Theatre Catford Accessibility
December Round-Ups
Explore by Interest
Theatre Events · Horror Events · Halloween 2026 · Christmas & Pantomime · Cinema Releases
Streaming releases will be added here when we have a confirmed date and a useful Clarissa’s Corner guide to link to, rather than padding the calendar with unverified listings.
FAQ
How often is the What’s On Calendar updated?
It is updated as new Clarissa’s Corner guides, confirmed dates and useful seasonal listings are added.
Are ticket prices shown here?
No. The calendar is intentionally date-first. Prices, booking links and practical information belong in the linked individual guide because they can change.
Where can I find accessibility information?
Confirmed accessible performances can be highlighted in the calendar, while fuller access information sits in the linked guide or venue guide.
Does the calendar include cinema and streaming?
Yes where dates are confirmed and Clarissa’s Corner has useful coverage to link to. Cinema round-ups are already included, and streaming can be added in the same way.
Find More Things to Do
The calendar stays deliberately simple. Our individual guides carry tickets, accessibility, practical information and the latest updates, while the main calendar gives you the quick answer to what’s on and when.
Last checked: 10 September 2026.