Top 10 Ancient Ruins in Roman Britain
Rome occupied Britain for nearly four centuries, from the Claudian invasion of 43 CE to the withdrawal of the last legions around 410 CE. In that time the province of Britannia was transformed: forests were cleared, roads were driven across the landscape, cities were laid out with forums and amphitheatres, a sophisticated villa economy developed across the southeastern lowlands, and the northern frontier was defined by the most complex land-based military system in the Roman Empire. The physical legacy of this occupation is extraordinary in its diversity and distribution, from the volcanic hills of the north to the lowland river valleys of East Anglia and the chalk downlands of the south. Roman Britain rewards visitors who are prepared to look beyond the obvious monuments and engage with the extraordinary variety of what survives.
1. Hadrian's Wall, Northern England
Hadrian's Wall is the most imposing Roman monument in Britain and one of the most significant frontier systems in the entire Roman Empire. Constructed on the orders of Emperor Hadrian from around 122 CE, the wall ran for 73 miles (117 kilometres) from Wallsend on the Tyne to Bowness-on-Solway on the Solway Firth, and formed the northwestern land frontier of the empire for nearly three centuries. The Wall was not simply a barrier but a sophisticated linear barrier with milecastles every Roman mile, signal towers between them, and full garrison forts at regular intervals — including Housesteads (Vercovicium), Chesters (Cilurnum), and Birdoswald (Banna). The best-preserved central section between Housesteads and Steel Rigg shows the Wall standing to its full curtain height in several stretches, set against the dramatic Great Whin Sill escarpment. Inscribed as a UNESCO World Heritage Site in 1987.
2. Bath (Aquae Sulis), Somerset
The Roman spa city of Aquae Sulis at Bath grew around the only naturally hot spring in Britain, dedicated jointly to the Roman goddess Sulis Minerva. A substantial temple precinct, great bath complex, and smaller bathing pools were constructed from around the 60s CE onward, making Bath one of the most elaborate religious and spa establishments in the Roman northwest. The Great Bath, its lead-lined pool originally covered by a barrel vault, has been excavated and partially restored and is the centrepiece of one of the finest Roman heritage experiences in the world. The spring still produces 1.2 million litres of hot water daily at 46°C. The pediment of the temple's classical facade — its centrepiece a ferocious gorgon's head — and the vast collection of Roman votive objects deposited in the sacred spring are displayed in the adjacent Roman Baths Museum, one of the most visited heritage sites in England.
3. Fishbourne Roman Palace, West Sussex
Fishbourne, near Chichester in West Sussex, is the largest known Roman building in Britain north of the Alps: a palatial residence of the late 1st century CE whose scale and luxury are unprecedented in the province. The palace was built around 75 CE, possibly for the client king Cogidubnus (or Togidubnus) who ruled the local Regni tribe under Roman patronage. The north wing is preserved beneath a purpose-built cover building and displays more in-situ mosaic floors than any other site in Britain, including the famous Cupid on a Dolphin mosaic. The formal garden in the central courtyard has been partially replanted based on the evidence of post-holes and planting trenches. The site museum provides excellent narrative context. Fishbourne is unique in Britain as an example of a Neronian-period palatial building incorporating Mediterranean construction techniques.
4. Vindolanda, Northumberland
Vindolanda, immediately south of Hadrian's Wall near Bardon Mill, is arguably the most intellectually rewarding Roman site in Britain. The fort was occupied from around 85 CE, predating Hadrian's Wall, and its anaerobic turf and organic layers have preserved perishable materials — wood, leather, textiles, food remains — that normally leave no trace. Most famously, the excavations from 1973 onward have produced over 1,000 thin wooden writing tablets bearing the personal correspondence, accounts, and military reports of the garrison and their families. The Vindolanda Tablets, now in the British Museum, include the earliest known handwritten document from Britain and an invitation to a birthday party — making them uniquely intimate evidence for daily life on the Roman frontier. Excavations continue annually and visitors can observe the dig in progress during the summer season.
5. Caerleon (Isca Augusta), Newport
Caerleon (Isca Augusta) in South Wales was one of only three permanent legionary fortresses in Britain, housing the Second Augustan Legion from around 75 CE to the early 4th century. Its remains include the finest surviving example of a Roman legionary amphitheatre in Britain — an oval arena built around 90 CE, partly excavated and consolidated, with the earthen banks still rising to several metres around the combat floor. The National Roman Legionary Museum displays armour, weapons, and military equipment from the site. Barracks, a bath suite, and the base of a granary are also visible within the fortress area. Caerleon's importance was recognised by Geoffrey of Monmouth, who made it the seat of King Arthur's court in his 12th-century Historia, a reflection of the city's continued impressiveness in the medieval landscape.
6. Verulamium (St Albans), Hertfordshire
Verulamium, the Roman city underlying and surrounding the modern town of St Albans in Hertfordshire, was the third-largest city in Roman Britain after London and Cirencester and one of the few to receive the status of municipium. Founded shortly after the Claudian invasion, it was sacked during Boadicea's revolt of around 60–61 CE and subsequently rebuilt on an ambitious scale. The Verulamium Museum, set in the park beside the remains of the forum, holds exceptional mosaic floors in situ on the ground floor, as well as outstanding painted plaster fragments, ironwork, and the famous 'Shell Mosaic'. A section of the Roman city wall, standing to several metres in places, is preserved in the park, as are the outlines of the late Roman theatre — the only visible Roman theatre in Britain. The Hypocaust under a purpose-built shelter shows under-floor heating in excellent condition.
7. Roman Colchester (Camulodunum), Essex
Camulodunum, modern Colchester, was the first Roman city in Britain, established as a veteran colony (Colonia Victricensis) around 49 CE on the site of the Trinovantian capital captured by Claudius in 43 CE. It was the site of the first temple to the imperial cult in Britain — the Temple of Claudius — whose massive vaulted podium survives beneath Colchester Castle. The castle itself, the largest Norman keep in Europe, was built directly over the Roman temple podium. The Colchester Museum in the castle holds one of the finest collections of Roman Britain material in the country, including the famous sphinx and 'Warrior' tombstones and an outstanding array of Samian pottery. Colchester also preserves the most complete surviving section of Roman town wall in Britain, encircling much of the old town centre.
8. Chedworth Roman Villa, Gloucestershire
Chedworth, in a wooded valley in the Cotswolds, is one of the largest and best-preserved Romano-British villa complexes in Britain, with its mosaics and bath suites partly protected by Victorian cover buildings and now managed by the National Trust. Occupied from roughly the 2nd through the early 5th centuries CE, the villa grew through several phases to encompass a substantial courtyard building with over 30 rooms. The mosaics include a hunting scene and a personification of the seasons, and the spring-fed nymphaeum (water shrine) at the head of the valley indicates the site's religious as well as domestic character. A new purpose-built visitor centre opened in 2012 provides excellent context. Chedworth represents the prosperous agricultural villa economy of the Cotswold region, which was among the most intensively Romanised parts of Britain.
9. Richborough Roman Fort (Rutupiae), Kent
Richborough, near Sandwich in Kent, was the principal landing point of the Claudian invasion force in 43 CE and subsequently became the formal ceremonial entrance to Roman Britain. A monumental marble-clad quadrifrons arch was erected here around 85 CE to mark Britain's incorporation into the empire; its concrete core, one of the most massive foundations of any Roman building in Britain, survives as a prominent earthen mass at the site's centre. The site later became a substantial Saxon Shore fort with walls several metres thick still standing to significant height. The Richborough fort and surrounding archaeological landscape represent the full trajectory of Roman Britain from conquest to late Roman coastal defence. An excellent on-site museum displays finds from nearly a century of excavation.
10. Housesteads (Vercovicium), Northumberland
Housesteads, the best-preserved Roman fort in Britain, perches on the dramatic Whin Sill ridge overlooking the Northumberland moors. Garrisoned primarily by cohorts from the Rhineland and later from the Frisian coast, it could accommodate around 800 infantry soldiers. The visible remains include the headquarters building (principia), the commanding officer's house, barracks, granaries, a hospital, and the famous latrine block — whose communal seating over a flushing channel gives a vivid sense of Roman collective life. The civilian settlement (vicus) outside the south gate has been partly excavated and is visible as earthwork humps. Managed by English Heritage and immediately accessible from the main Hadrian's Wall walking route, Housesteads is the essential combination of dramatic landscape and readable Roman plan.
Roman Britain's sites stretch from Cornwall to the Scottish border. The most efficient approaches use Carlisle (for the western Wall), Newcastle (for the eastern Wall and Vindolanda), Bath, and London as bases. National Rail reaches most starting points; a car is helpful for Fishbourne and Chedworth. English Heritage and National Trust memberships cover entry to many sites. Walking the 84-mile Hadrian's Wall Path national trail (April–October, when the Wall area is driest) combines the two finest northern sites into an unforgettable journey. Open the map to see all Roman Britain sites and plan your own exploration of the province.