1870: New Chelsea Theatre | |
 The Royal Court Theatre in 2020 | |
 | |
| Address | Sloane Square London, SW1 United Kingdom |
|---|---|
| Coordinates | 51°29′33″N 0°09′24″W / 51.492583°N 0.156583°W |
| Public transit |  Sloane Square |
| Owner | English Stage Company |
| Designation | Grade II listed |
| Type | Non-commercial theatre |
| Capacity | Theatre Downstairs: 380 Theatre Upstairs: 85 |
| Construction | |
| Opened | 1870 |
| Rebuilt | 1888 (Walter Emden & Bertie Crewe) 2000 (Haworth Tompkins) |
| Website | |
| royalcourttheatre | |
The Royal Court Theatre, at different times known as the Court Theatre, the New Chelsea Theatre, and the Belgravia Theatre, is a non-commercial West End theatre in Sloane Square, London, England. In 1956 it was acquired by and remains the home of the English Stage Company, which is known for its contributions to contemporary theatre and won the Europe Prize Theatrical Realities in 1999.