🏚️ Dunwich: The British town lost to the sea
Medieval port town erased by centuries of coastal erosion in Suffolk, England
📌 Fast Facts
- Location: Suffolk coast, East Anglia, United Kingdom
- Peak population: approximately 4,000 residents in the 12th–14th centuries
- Current population: approximately 80 residents
- Erosion rate: roughly one metre per year in some locations
Dunwich is a former medieval port town in Suffolk, England, that has been progressively consumed by coastal erosion over seven centuries. At its height between the 12th and 14th centuries, it rivalled London as a centre of commerce, supporting a population around 4,000 and hosting multiple churches, monasteries, and merchant guilds. As of 2026, Dunwich exists as a small village of approximately 80 residents, with most of its medieval fabric either submerged beneath the North Sea or lost to ...