diff --git a/tests/scripts/test_rename_sharepoint_files.py b/tests/scripts/test_rename_sharepoint_files.py
index 35c4edc3e..92a33f7ad 100644
--- a/tests/scripts/test_rename_sharepoint_files.py
+++ b/tests/scripts/test_rename_sharepoint_files.py
@@ -1,15 +1,32 @@
+from pathlib import Path
 from typing import Any
 from unittest.mock import MagicMock
 
 import pytest
 
+from backend.pashub_fetcher.sharepoint_subfolders import SharepointSubfolders
 from orchestration.sharepoint_renamer_orchestrator import (
+    ASSESSMENT_SUBFOLDER,
     BASE_PATH,
     SharepointRenamerOrchestrator,
     build_canonical_filename,
 )
 
 
+def _assessment_path(root: str, address: str, postcode: str) -> str:
+    return (
+        f"{root}/{address}, {postcode}"
+        f"/{SharepointSubfolders.ASSESSMENT.value}/{ASSESSMENT_SUBFOLDER}"
+    )
+
+
+def _write_csv(tmp_path: Path, rows: list[tuple[str, str, str]]) -> str:
+    lines = ["UPRN,Address,Postcode"] + [",".join(row) for row in rows]
+    csv_file = tmp_path / "addresses.csv"
+    csv_file.write_text("\n".join(lines) + "\n", encoding="utf-8")
+    return str(csv_file)
+
+
 def _make_file(name: str, item_id: str = "id-1") -> dict[str, Any]:
     return {"name": name, "id": item_id, "file": {}}
 
@@ -77,6 +94,36 @@ def test_discover_roots_includes_sero_batch_folders() -> None:
     sp.get_folders_in_path.assert_called_once_with(BASE_PATH)
 
 
+# ---------------------------------------------------------------------------
+# run — properties under a batch root are still found and renamed
+# ---------------------------------------------------------------------------
+
+
+def test_run_renames_files_for_property_under_batch_root(tmp_path: Path) -> None:
+    # Arrange
+    csv_path = _write_csv(tmp_path, [("100", "1 High St", "AB1 2CD")])
+    batch_assessment = _assessment_path(
+        f"{BASE_PATH}/_Sero Batch 2", "1 High St", "AB1 2CD"
+    )
+
+    sp = MagicMock()
+
+    def fake_get(path: str) -> dict[str, Any]:
+        if path == BASE_PATH:
+            return {"value": [_make_folder("_Sero Batch 2")]}
+        if path == batch_assessment:
+            return {"value": [_make_file("Survey.pdf", "id-1")]}
+        raise ValueError("not found")
+
+    sp.get_folders_in_path.side_effect = fake_get
+
+    # Act
+    SharepointRenamerOrchestrator(sp, csv_path).run()
+
+    # Assert
+    sp.rename_file.assert_called_once_with("id-1", "100_1 High St AB1 2CD_Survey.pdf")
+
+
 # ---------------------------------------------------------------------------
 # _process_folder — files only at root level
 # ---------------------------------------------------------------------------