diff --git a/app/src/frontend/building/data-containers/team.tsx b/app/src/frontend/building/data-containers/team.tsx
index badbbee9..801b6d47 100644
--- a/app/src/frontend/building/data-containers/team.tsx
+++ b/app/src/frontend/building/data-containers/team.tsx
@@ -10,22 +10,32 @@ import { CategoryViewProps } from './category-view-props';
 /**
 * Team view/edit section
 */
-const TeamView: React.FunctionComponent<CategoryViewProps> = (props) => (
-    <Fragment>
-        <InfoBox msg="Can you help us capture information on who built the current building?"></InfoBox>
-    <SelectDataEntry
-        title={dataFields.is_extension.title}
-        slug="is_extension"
-        value={props.building.is_extension}
-        mode={props.mode}
-        copy={props.copy}
-        onChange={props.onChange}
-        tooltip={dataFields.is_extension.tooltip}
-        placeholder={dataFields.is_extension.example}
-        options={dataFields.is_extension.items}
+const TeamView: React.FunctionComponent<CategoryViewProps> = (props) => {
+    const building = props.building;
+    const currentBuildingConstructionYear = building.date_year || undefined;
+    return (
+        <Fragment>
+            <InfoBox msg="Can you help us capture information on who built the current building?"></InfoBox>
+        <SelectDataEntry
+            title={dataFields.is_extension.title}
+            slug="is_extension"
+            value={props.building.is_extension}
+            mode={props.mode}
+            copy={props.copy}
+            onChange={props.onChange}
+            tooltip={dataFields.is_extension.tooltip}
+            placeholder={dataFields.is_extension.example}
+            options={dataFields.is_extension.items}
+            />
+            
+        <NumericDataEntry
+            slug='work_carried_out'
+            title={dataFields.work_carried_out.title}
+            value={currentBuildingConstructionYear}
         />
-    </Fragment>
-);
+        </Fragment>
+  );
+};
 const TeamContainer = withCopyEdit(TeamView);
 
 export default TeamContainer;
diff --git a/app/src/frontend/config/data-fields-config.ts b/app/src/frontend/config/data-fields-config.ts
index 639f8e7d..d5dd2d6c 100644
--- a/app/src/frontend/config/data-fields-config.ts
+++ b/app/src/frontend/config/data-fields-config.ts
@@ -645,6 +645,11 @@ export const dataFields = { /* eslint-disable @typescript-eslint/camelcase */
         items: [
             "A major extension"
         ],
+    },
+    work_carried_out: {
+        category: Category.Team,
+        title: "When was the work carried out?",
+        tooltip: "Best estimate"
     }
 };