diff --git a/apps/web/public/static/locales/en/common.json b/apps/web/public/static/locales/en/common.json
index 218524b1ff..df29e2f716 100644
--- a/apps/web/public/static/locales/en/common.json
+++ b/apps/web/public/static/locales/en/common.json
@@ -3510,10 +3510,20 @@
   "pbac_desc_update_workflows": "Edit and modify workflow settings",
   "pbac_desc_delete_workflows": "Remove workflows from the system",
   "pbac_resource_webhook": "Webhook",
+  "pbac_resource_availability": "Availability",
+  "pbac_resource_out_of_office": "Out of Office",
   "pbac_desc_create_webhooks": "Create webhooks",
   "pbac_desc_view_webhooks": "View webhooks",
   "pbac_desc_update_webhooks": "Update webhooks",
   "pbac_desc_delete_webhooks": "Delete webhooks",
+  "pbac_desc_create_availability": "Create availability",
+  "pbac_desc_view_availability": "View availability",
+  "pbac_desc_update_availability": "Update availability",
+  "pbac_desc_delete_availability": "Delete availability",
+  "pbac_desc_create_out_of_office": "Create out of office",
+  "pbac_desc_view_out_of_office": "View out of office",
+  "pbac_desc_update_out_of_office": "Update out of office",
+  "pbac_desc_delete_out_of_office": "Delete out of office",
   "pbac_desc_manage_workflows": "Full management access to all workflows",
   "pbac_desc_create_event_types": "Create event types",
   "pbac_desc_view_event_types": "View event types",
diff --git a/packages/features/pbac/domain/types/permission-registry.ts b/packages/features/pbac/domain/types/permission-registry.ts
index 3cfbc54d9d..6c7608abf0 100644
--- a/packages/features/pbac/domain/types/permission-registry.ts
+++ b/packages/features/pbac/domain/types/permission-registry.ts
@@ -10,6 +10,8 @@ export enum Resource {
   RoutingForm = "routingForm",
   Workflow = "workflow",
   Webhook = "webhook",
+  Availability = "availability",
+  OutOfOffice = "ooo",
 }
 
 export enum CrudAction {
@@ -114,6 +116,7 @@ export const isValidPermissionString = (val: unknown): val is PermissionString =
  * @returns A new object without the _resource property
  */
 export const filterResourceConfig = (config: ResourceConfig): Omit<ResourceConfig, "_resource"> => {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   const { _resource, ...rest } = config;
   return rest;
 };
@@ -556,4 +559,76 @@ export const PERMISSION_REGISTRY: PermissionRegistry = {
       dependsOn: ["webhook.read"],
     },
   },
+  [Resource.Availability]: {
+    _resource: {
+      i18nKey: "pbac_resource_availability",
+    },
+    [CrudAction.Create]: {
+      description: "Create availability",
+      category: "availability",
+      i18nKey: "pbac_action_create",
+      descriptionI18nKey: "pbac_desc_create_availability",
+      scope: [],
+      dependsOn: ["availability.read"],
+    },
+    [CrudAction.Read]: {
+      description: "View availability",
+      category: "availability",
+      i18nKey: "pbac_action_read",
+      descriptionI18nKey: "pbac_desc_view_availability",
+      scope: [],
+    },
+    [CrudAction.Update]: {
+      description: "Update availability",
+      category: "availability",
+      i18nKey: "pbac_action_update",
+      descriptionI18nKey: "pbac_desc_update_availability",
+      scope: [],
+      dependsOn: ["availability.read"],
+    },
+    [CrudAction.Delete]: {
+      description: "Delete availability",
+      category: "availability",
+      i18nKey: "pbac_action_delete",
+      descriptionI18nKey: "pbac_desc_delete_availability",
+      scope: [],
+      dependsOn: ["availability.read"],
+    },
+  },
+  [Resource.OutOfOffice]: {
+    _resource: {
+      i18nKey: "pbac_resource_out_of_office",
+    },
+    [CrudAction.Create]: {
+      description: "Create out of office",
+      category: "ooo",
+      i18nKey: "pbac_action_create",
+      descriptionI18nKey: "pbac_desc_create_out_of_office",
+      scope: [],
+      dependsOn: ["ooo.read"],
+    },
+    [CrudAction.Read]: {
+      description: "View out of office",
+      category: "ooo",
+      i18nKey: "pbac_action_read",
+      descriptionI18nKey: "pbac_desc_view_out_of_office",
+      scope: [],
+    },
+    [CrudAction.Update]: {
+      description: "Update out of office",
+      category: "ooo",
+      i18nKey: "pbac_action_update",
+      descriptionI18nKey: "pbac_desc_update_out_of_office",
+      scope: [],
+      dependsOn: ["ooo.read"],
+    },
+    [CrudAction.Delete]: {
+      description: "Delete out of office",
+      category: "ooo",
+      i18nKey: "pbac_action_delete",
+      descriptionI18nKey: "pbac_desc_delete_out_of_office",
+      scope: [],
+      dependsOn: ["ooo.read"],
+    },
+  },
 };
diff --git a/packages/prisma/migrations/20250925134226_add_availability_ooo_permissions_default_roles/migration.sql b/packages/prisma/migrations/20250925134226_add_availability_ooo_permissions_default_roles/migration.sql
new file mode 100644
index 0000000000..b07c2deb70
--- /dev/null
+++ b/packages/prisma/migrations/20250925134226_add_availability_ooo_permissions_default_roles/migration.sql
@@ -0,0 +1,45 @@
+-- Add availability permissions for admin role (create, read, update, delete)
+INSERT INTO "RolePermission" (id, "roleId", resource, action, "createdAt")
+SELECT
+  gen_random_uuid(), 'admin_role', resource, action, NOW()
+FROM (
+  VALUES
+    ('availability', 'create'),
+    ('availability', 'read'),
+    ('availability', 'update'),
+    ('availability', 'delete')
+) AS permissions(resource, action)
+ON CONFLICT ("roleId", resource, action) DO NOTHING;
+
+-- Add ooo permissions for admin role (create, read, update, delete)
+INSERT INTO "RolePermission" (id, "roleId", resource, action, "createdAt")
+SELECT
+  gen_random_uuid(), 'admin_role', resource, action, NOW()
+FROM (
+  VALUES
+    ('ooo', 'create'),
+    ('ooo', 'read'),
+    ('ooo', 'update'),
+    ('ooo', 'delete')
+) AS permissions(resource, action)
+ON CONFLICT ("roleId", resource, action) DO NOTHING;
+
+-- Add availability read permission for member role
+INSERT INTO "RolePermission" (id, "roleId", resource, action, "createdAt")
+SELECT
+  gen_random_uuid(), 'member_role', resource, action, NOW()
+FROM (
+  VALUES
+    ('availability', 'read')
+) AS permissions(resource, action)
+ON CONFLICT ("roleId", resource, action) DO NOTHING;
+
+-- Add ooo read permission for member role
+INSERT INTO "RolePermission" (id, "roleId", resource, action, "createdAt")
+SELECT
+  gen_random_uuid(), 'member_role', resource, action, NOW()
+FROM (
+  VALUES
+    ('ooo', 'read')
+) AS permissions(resource, action)
+ON CONFLICT ("roleId", resource, action) DO NOTHING;