Oxford Castle and Prison is one of the most fascinating historic sites in Oxford, offering visitors the chance to explore nearly a thousand years of history in one location. From medieval fortress to Victorian prison, the site has played many roles in the story of the city.
The castle was originally built shortly after the Norman Conquest in the late 11th century by Robert D’Oyly, a supporter of William the Conqueror. Like many Norman castles, it was constructed to establish control over the surrounding region. The original structure was largely made of timber, but it was gradually rebuilt in stone as its importance grew.
One of the oldest surviving features is St George’s Tower. This tall stone tower dates back to around 1070 and is one of the earliest Norman towers in England. Visitors can climb the narrow spiral staircase to the top, where sweeping views open out across Oxford’s famous skyline of church spires and historic colleges.
Another notable feature is the castle mound, a large earthwork created when the castle was first built. A short climb to the top provides excellent views over the surrounding area and offers a sense of how strategically important the site once was.
By the 18th century the castle had lost its military importance and was converted into a prison. The Victorian prison buildings that still stand today give a stark glimpse into the harsh conditions once experienced by inmates. Guided tours allow visitors to walk through former prison cells and corridors while learning about the lives of prisoners held here over the centuries.
Stories from the prison’s past bring the site to life, including tales of daring escapes and notorious inmates. One of the most famous prisoners was Mary Blandy, who was imprisoned here in the 18th century before her execution.
Today the castle complex has been carefully restored and transformed into a heritage attraction with cafés, exhibitions and guided tours. Visitors can explore the medieval tower, prison wings and castle mound while discovering the dramatic events that shaped this historic site.
With its mixture of Norman architecture, prison history and panoramic views, Oxford Castle and Prison offers a compelling journey through nearly a millennium of English history.