West End

St. Martin’s Theatre London – Home of The Mousetrap

Located on the West Street of West End London, St. Martin’s Theatre hosts the famous Agatha Christie mystery, The Mousetrap. The theatre opened in 1916 alongside the neighboring Ambassadors Theatre. The Ambassadors Theatre is where The Mousetrap first premiered in London in 1952, before it moved to St. Martin’s Theatre in 1974. W.G.R Sprague designed the iconic pair of theatres, and the St. Martin’s theatre is now listed as a heritage building in London.

St. Martin’s Theatre has seen a variety of performances including Houp La! Meet the Wife; The Grass is Greener, The Wrong Side of the Park and Sleuth. Today, the theatre has been the venue for more than 27,000 performances of Agatha Christie’s The Mousetrap.

If you wish to catch a performance of ‘The Mousetrap’ at West End, our St. Martin's Theatre London guide has all the information you need. You can also refer to this handy link to the seat availability and real-time prices for different seats/dates for The Mousetrap on Headout.

Venue Details


Address: West St, London WC2H 9NZ, UK

Opened: 1916

Seating Capacity: 550

Seating Chart: Check out the St. Martin's Theatre London Seating Plan.

Now Playing at St. Martin's Theatre London


The Mousetrap

St. Martin's Theatre London - The Mousetrap

Running for over 66 years, The Mousetrap has gained the accolade of being ‘the longest-running West End production’ ever. The show premiered on 25th November 1952; it has been running even before the Laurence Olivier Awards were established! The Mousetrap was initially written as a radio play called Three Blind Mice as a gift for the birthday of Queen Mary, who asked for a new play written by Agatha Christie. Later on, it was adapted and first performed at the Theatre Royal in Nottingham. Today, the script of the play has remained unchanged and mesmerizes audiences in every show. A sterling star-cast including Elliot Chapman, Jason Hall, Mary Keegan, Mark Carlisle, and Millie Turner does a fantastic job of retaining the suspense. The spartan sets and eerie sound effects complete the effect of a snowed-in English manor, adding to the mystery!

The Story

The Mousetrap is a two-act play, and is set in the Great Hall of Monkswell Manor, which was recently turned into a guesthouse. It is run by newly-married couple Mollie and Giles Ralston, who know little about each other. They are joined by a motley group of guests - a young man, Christopher Wren; a disapproving old woman, Mrs. Boyle; and Major Metcalf, a retired army officer. The other eccentric members are a masculine woman Miss Casewell and Mr. Paravicini, a gentleman with a foreign accent.

The intrigue begins when the group is joined by Detective Sergeant Trotter who arrives to find a murderer, who has been accused of killing a couple who mistreated three foster children. How the guests are related to the crime and who among them is the killer is revealed at the end of the play. The twist ending is unlike most classic whodunits, and audiences are asked not to reveal the ending after the show. Figure out who gets caught in the mousetrap at the St. Martin’s Theatre and keep the secret!

Practical Information


Accessible Seating

The St. Martin’s Theatre has three shallow steps at the main entrance and the staff can assist with wheelchair access. Temporary ramps will be placed at the Dress Circle where the accessible seats are at F1 and Box C1.

Available Facilities

Assistive Listening System: You can pick up infrared headsets from the staff in exchange for a nominal deposit.

Bar: The St. Martin’s Theatre has 3 bars at each of the levels – Stalls, Dress Circle, and Upper Circle.

Guide dogs: Guide dogs are allowed within the theatre, the staff is also happy to dog-sit if needed.

Toilets: The toilets are located at the level of Upper Circle and Dress Circle. There is also a ladies toilet near the Foyer. The disabled toilet with facilities is available outside the Box C in the Dress Circle.

Handy Tips


  • The foyer has a board with the display of the number of shows of ‘The Mousetrap’ and keeps changing every day at the end of the show. Make sure to take a picture with it!
  • The show is recommended for children above 12 years of age and children below the age of 16 needs to be accompanied by an adult. Please note that children under the age of 5 will not be allowed in the theatre.
  • The theatre has three bars for ordering snacks and drinks, outside food is not allowed. You can also pre-order special drinks including champagne.
  • The theatre is old and there is an issue of legroom especially in the Upper Circle section. If legroom can be a problem, avoid the section altogether.

Getting There


Tube: The nearest tube station is Leicester Square Circus (Northern and Piccadilly lines).

Rail: The nearest station is Charing Cross.

Bus: Shaftesbury Avenue – Bus numbers 14, 19, 38 / Night Buses 14, N5, N19, N20, N38, N41
Charing Cross Road – Bus numbers 24, 29, 126 / Night Buses N29, N38, N41, N279

Restaurants near St. Martin's Theatre London


1. The Ivy: Century-old London institution serving classic British dishes in a glamorous setting

2. Rossopomodoro Covent Garden: Affordable Italian street-food and Neapolitan Pizzas made with authentic imported ingredients

3. L’Atelier De Joel Robuchon: French fine dining with opulent interiors and a scrumptious pre-theatre dinner menu

4. Cantina Laredo: Authentic Mexican cuisine with a twist, ideal for drinks post theatre to discuss the Mousetrap’s secret!

5. Jamie’s Italian: Celebrity Chef Jamie Oliver’s Italian restaurant serving delectable nibbles and pasta

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