Anglo-Saxon Prince Buried With His Horse Discovered at Sizewell C Site

An elite Anglo-Saxon prince buried with his horse discovered during Sizewell C excavation in Suffolk, revealing rare 7th-century burial rituals and power.

Archaeologists working ahead of the construction of the Sizewell C nuclear power station in Suffolk have uncovered one of the most significant Anglo-Saxon burial grounds found in Britain in recent decades. The discovery, made during large-scale excavations along the Sizewell Link Road near Theberton, includes a rare “princely” burial featuring two individuals interred alongside a fully harnessed horse, weapons, and high-status personal items.

The burial site dates to the 6th and 7th centuries AD, a formative period in early medieval England when Anglo-Saxon kingdoms were consolidating power following the end of Roman rule. Excavations led by Oxford Cotswold Archaeology (OCA) identified at least 11 burial mounds, or barrows, carefully positioned on a prominent point in the landscape overlooking the Suffolk coast. The layout and richness of the graves suggest the cemetery belonged to an elite community with strong political and symbolic authority.

According to OCA Project Officer Len Middleton, the horse burial stands out as evidence of a ruling-class individual or family. Horse burials were exceptionally rare in Anglo-Saxon England and were reserved for people of the highest status, often linked to warrior aristocracy and kingship. Similar elite traditions are known from famous sites such as Sutton Hoo, Snape, and the Prittlewell Prince, all located in eastern England.

Although the acidic, sandy soil has prevented the survival of human bone, archaeologists uncovered striking “sand silhouettes” that preserve the outlines of bodies, grave goods, and the horse in remarkable detail. These traces have allowed specialists to reconstruct burial positions, grave furnishings, and ritual practices with a high degree of accuracy.

The finds provide valuable insight into Anglo-Saxon belief systems, where burial rituals were closely tied to ideas of identity, ancestry, and power. During this period, grave goods such as weapons, jewelry, and vessels symbolized social rank and may also have reflected beliefs about the afterlife. The inclusion of a horse suggests not only wealth, but also the symbolic importance of mobility, warfare, and leadership in Anglo-Saxon culture.

The Anglo-Saxons were a collection of Germanic-speaking groups who settled in England from the 5th century onwards, forming kingdoms such as East Anglia, Wessex, and Mercia. East Anglia, where the Sizewell site is located, emerged as a major center of power during the 7th century. Its coastal position facilitated trade and cultural connections with Scandinavia and continental Europe, which is often reflected in elite burial practices.

Beyond the Anglo-Saxon cemetery, the Sizewell C project has revealed an extraordinary archaeological record spanning tens of thousands of years. Across more than 70 excavation sites covering nearly two million square metres, over 200 archaeologists are documenting evidence ranging from Neanderthal activity to Second World War coastal defenses. Notable discoveries include a rare Iron Age oak ladder, Roman pottery kilns, Bronze Age cremation urns, and early Neolithic settlement remains.

In 2023, archaeologists also uncovered a hoard of over 300 silver coins dating to the 11th century, believed to have been buried during a period of political instability in late Anglo-Saxon England. Nicknamed “the pasty” due to its shape, the hoard is thought to represent a personal savings cache and has since been donated to Suffolk County Council for curation and research.

Some of the most important discoveries from the Sizewell excavations will be featured on BBC Two’s Digging for Britain, helping to bring public attention to the archaeological importance of the site. Community open days and exhibitions are also planned to ensure the finds are shared with local residents and the wider public.

Nigel Cann, Chief Executive Officer of Sizewell C, said the discoveries demonstrate how major infrastructure projects can contribute positively to heritage research. Archaeologists and developers have worked closely to ensure all remains are carefully recorded and preserved for future generations.

As construction continues, the Sizewell C excavations are offering an unparalleled window into the deep history of the Suffolk coast. The elite Anglo-Saxon burial ground, in particular, is reshaping understanding of early medieval society, revealing how power, belief, and identity were expressed in one of England’s most influential early kingdoms.

Cover Image Credit: The remains of an Anglo-Saxon pony, about 1.4m (4ft 6in)-tall, was found buried alongside the shadow skeletons of two people. Oxford Cotswold Archaeology