BattlefieldsSiege of Oxford Castle 1142
Medieval

Siege of Oxford Castle 1142

1142
Oxfordshire, England
Era
Medieval
Battle Type
Siege
Location
Oxfordshire, England
Status
Unregistered
The Combatants

Who Fought

Defeated
Empress Matilda
VS
Victor
King Stephen
Outcome
Oxford Castle surrendered to King Stephen the day after Matilda escaped in early December 1142; she fled the castle (likely via St George's Tower) dressed in white as camouflage against the snow, crossed the frozen River Thames with three knights, and reached Abingdon Abbey and then Wallingford Castle in safety.
The Battle

History & Significance

Siege of Oxford Castle 1142 was a medieval siege, the investment of a fortified position, fought at Oxfordshire, England in 1142. King Stephen prevailed over Empress Matilda. Oxford Castle surrendered to King Stephen the day after Matilda escaped in early December 1142; she fled the castle (likely via St George's Tower) dressed in white as camouflage against the snow, crossed the frozen River Thames with three knights, and reached Abingdon Abbey and then Wallingford Castle in safety.

Confirmed battlefield location
The ground

The ground they fought on

The site of Siege of Oxford Castle 1142 lies on Kellaways Formation And Oxford Clay Formation (Undifferentiated), bedrock that formed in the Oxfordian. The rock here is mudstone, siltstone and sandstone.

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Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Domesday
The settlement's entry in the 1086 Domesday Book: who held it, what it was worth, and the people who worked the land.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
LiDAR
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Local Names
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Historical Maps
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Literature
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Legal
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Protected heritage nearby

Scheduled Monuments near Siege of Oxford Castle 1142

Oxford Castle and earlier settlement remains
Oxford Castle and earlier settlement remains
Scheduled monument · ~0 mi

Oxford Castle is a Norman motte-and-bailey fortress established in the late eleventh century following the conquest of England in 1066. The castle's defensive earthwork, comprising a substantial mound with surrounding ditch, remains a prominent feature within Oxford's medieval townscape. The site…

Tejvan Pettinger / CC BY 2.0 / Wikimedia Commons
Rewley Abbey
Rewley Abbey
Scheduled monument · ~0.3 mi

Rewley Abbey is a Benedictine priory founded in the late twelfth century in Oxford, established as a daughter house of the Abbey of Caen in Normandy. The site lies on the banks of the Thames to the west of the medieval city, and its foundation reflected Oxford's growing importance as a centre of…

Bill Nicholls / CC BY-SA 2.0 / Wikimedia Commons
Osney Abbey (remains of)
Osney Abbey (remains of)
Scheduled monument · ~0.4 mi

Osney Abbey is a ruined Augustinian priory founded in 1129 by Robert D'Oilly in Oxford, Oxfordshire. The abbey was one of the most important religious houses in medieval Oxford, serving as a centre of learning and piety until its dissolution in 1540 during Henry VIII's Dissolution of the Monaster…

Public domain / Wikimedia Commons
Swing bridge, LNWR Station
Swing bridge, LNWR Station
Scheduled monument · ~0.4 mi

Swing Bridge, LNWR Station is a railway bridge of the 19th century associated with the London and North Western Railway's infrastructure in Oxfordshire. The bridge is constructed to allow passage of vessels by means of a pivoting swing mechanism, a characteristic design that reflects the engineer…

Robin Webster / CC BY-SA 2.0 / Wikimedia Commons
Oxford city walls
Oxford city walls
Scheduled monument · ~0.6 mi

Oxford city walls are a scheduled ancient monument comprising the defensive fortifications that once enclosed the medieval city of Oxford. The walls were substantially constructed during the late Saxon period, with major development and reinforcement occurring in the Norman and medieval periods,…

Camboxer / CC BY-SA 4.0 / Wikimedia Commons
North Hinksey conduit house
North Hinksey conduit house
Scheduled monument · ~1.1 mi

North Hinksey conduit house is a sixteenth-century stone structure located in Berkshire, serving as part of the water supply infrastructure of the Oxford region. The conduit house functioned as a distribution point for piped water, reflecting the investment in hydraulic engineering during the Tud…

Des Blenkinsopp / CC BY-SA 2.0 / Wikimedia Commons
Section of the Grandpont causeway
Scheduled monument · ~0.5 miles
Old Abingdon Road Culverts
Scheduled monument · ~1.6 miles
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