Tom Tower
Tom Tower is one of Oxford's most iconic and instantly recognisable landmarks, rising majestically above the main gateway to Christ Church, one of the most distinguished colleges of the University of Oxford. Standing at the western end of St Aldate's Street, the tower frames the formal entrance to what is both an Oxford college and a cathedral, making it a meeting point of academic and ecclesiastical grandeur. Tom Tower is not merely decorative: it houses Great Tom, one of the most famous bells in England, whose tolling each evening at 9:05 pm (101 strokes, representing the original number of scholars at the college's foundation) has marked the close of Oxford's academic day for centuries. For visitors to Oxford, Tom Tower is often the first and most vivid impression of the city's extraordinary concentration of medieval and early modern architecture.
The history of Tom Tower is intertwined with the long and sometimes turbulent history of Christ Church itself. The college was founded in 1525 by Cardinal Thomas Wolsey, Henry VIII's powerful Lord Chancellor, originally as Cardinal College. After Wolsey's fall from royal favour and his death in 1530, the project was taken over by Henry VIII, who refounded it as Henry VIII's College and later as Christ Church in 1546. The gate tower Wolsey had begun was left incomplete for over 150 years, its upper portion unfinished and open to the sky. It was not until 1681 to 1682 that the tower was finally completed, to a design by Sir Christopher Wren, commissioned by John Fell, the formidable Dean of Christ Church. Wren's design of the upper octagonal Gothic lantern, a surprisingly medieval choice given Wren's predominantly classical style, was deliberately chosen to harmonise with the existing Perpendicular Gothic stonework of Wolsey's era below. The result is a seamless blending of two architectural hands separated by a century and a half.
The physical presence of Tom Tower is commanding and surprisingly intimate given Oxford's often dense urban street scene. The lower portion, built in creamy Headington limestone, features perpendicular Gothic details with vertical tracery in the windows and buttresses, while Wren's upper stage rises as an ornate octagonal lantern topped by a lead-covered ogee dome. Looking up from St Aldate's, the tower frames a view into Christ Church's outer court, known as the Canterbury Quad or St Aldate's Quad, with just a glimpse of the vast open space of Tom Quad beyond. The stonework takes on warm golden and honey tones in afternoon sun and turns a cool, almost silver-grey on overcast days, which are frequent in Oxford. Standing near the base of the tower, one is struck by its scale — it rises to approximately 27 metres — and by the way it anchors the entire streetscape of this part of central Oxford.
Great Tom, the bell housed within the tower, has its own remarkable history. It was originally cast in 1680, recast in 1698, and weighs over 6 tonnes. It is hung dead — meaning it does not swing — and is struck by a mechanical hammer. The 101 strokes tolled each evening at 9:05 pm (rather than 9:00 pm, because Oxford operates five minutes behind Greenwich Mean Time due to its longitude) were historically the signal for college gates to close and for students to be within their colleges. This tradition persists to this day, making Great Tom one of the last functioning vestiges of the old Oxford academic custom of curfew. The sound of Great Tom rolling across Oxford's rooftops and quadrangles on a still evening is one of the city's most atmospheric and memorable auditory experiences.
Tom Tower sits within the broader Christ Church complex, which is itself extraordinary in the density of what it contains. Immediately behind the tower lies Tom Quad, the largest quadrangle in Oxford, measuring approximately 264 by 261 feet, with a central fountain and Mercury statue. Attached to the college is Christ Church Cathedral, which serves simultaneously as the college chapel and as the cathedral church of the Diocese of Oxford — a unique arrangement in England. The college's picture gallery houses an important collection of old master drawings and paintings. Just a few hundred metres away along St Aldate's lies the Oxford Town Hall, Pembroke College, and the Museum of Oxford. The Bodleian Library complex, Carfax Tower, and the covered market are all within easy walking distance, making this part of Oxford extraordinarily rich for exploration on foot.
Visiting Tom Tower and Christ Church is straightforward. The tower itself is the entrance gate to the college and is visible and accessible from St Aldate's at any time as a landmark, though entry into Christ Church's grounds and cathedral requires a paid ticket for non-members. The college is open to visitors most days, though hours vary and the college sometimes closes partially for academic events, examinations, or private functions, so it is wise to check in advance. The postcode OX1 1DA places it centrally in Oxford, and the site is approximately a ten-minute walk from Oxford railway station heading east toward the city centre. Numerous bus routes run along St Aldate's. The narrow medieval streets nearby are largely pedestrianised or restricted to traffic, making walking the most practical and enjoyable mode of arrival.
One of the more endearing hidden stories attached to Tom Tower concerns a large statue of Mercury that stands at the centre of Tom Quad's fountain. The statue has been the target of countless student pranks over the centuries, including being dressed in various costumes, filled with washing-up liquid, and once famously receiving a traffic cone. The college authorities and students maintain an ongoing, largely good-natured tension over the statue's dignity. Another curious detail is that Christ Church's hall — the grand medieval dining room — was one of the inspirations for the Great Hall of Hogwarts in the Harry Potter films, though the actual filming took place on a set at Leavesden Studios rather than on site. Nevertheless, the college receives enormous numbers of visitors partly drawn by this literary and cinematic association. Tom Tower itself, as the face that Christ Church presents to the world, remains the most photographed element of a college that has no shortage of magnificent architecture.