What did people in briton use for shelter in World War 1?

During World War I, many people in Britain used a variety of shelters for protection against air raids and other wartime dangers. Common structures included trench systems for soldiers and makeshift shelters such as Anderson shelters, which were small, prefabricated structures made of corrugated steel that families could install in their gardens. Additionally, some urban residents utilized basements and cellars of their homes as shelters during air raids. These adaptations reflected the urgency of ensuring safety during the conflict.