The almost circular churchyard has many species of wild flowers and is a habitat for small mammals, insects and birds. The Tower is used by an important colony of Lesser Horseshoe bats (a European Protected Species). The bats roost each summer and produce their young. They hibernate away from the church and return again in March. Their feeding grounds include the yew trees near the path.
The churchyard and adjoining glebe land is part of a Bio-diversity Project. funded by Monmouthshire County Council under Agenda 21 funding. A survey of plants and animals will lead to a Management Plan, to be considered in consultation with the local community during 2004.