diff --git a/erpnext/stock/report/warehouse_wise_item_balance_age_and_value/warehouse_wise_item_balance_age_and_value.py b/erpnext/stock/report/warehouse_wise_item_balance_age_and_value/warehouse_wise_item_balance_age_and_value.py
index a54373f..eedf1a0 100644
--- a/erpnext/stock/report/warehouse_wise_item_balance_age_and_value/warehouse_wise_item_balance_age_and_value.py
+++ b/erpnext/stock/report/warehouse_wise_item_balance_age_and_value/warehouse_wise_item_balance_age_and_value.py
@@ -7,6 +7,7 @@
 
 import frappe
 from frappe import _
+from frappe.query_builder.functions import Count
 from frappe.utils import flt
 
 from erpnext.stock.report.stock_ageing.stock_ageing import FIFOSlots, get_average_age
@@ -98,7 +99,7 @@
 
 def validate_filters(filters):
 	if not (filters.get("item_code") or filters.get("warehouse")):
-		sle_count = flt(frappe.db.sql("""select count(name) from `tabStock Ledger Entry`""")[0][0])
+		sle_count = flt(frappe.qb.from_("Stock Ledger Entry").select(Count("name")).run()[0][0])
 		if sle_count > 500000:
 			frappe.throw(_("Please set filter based on Item or Warehouse"))
 	if not filters.get("company"):
@@ -108,25 +109,16 @@
 def get_warehouse_list(filters):
 	from frappe.core.doctype.user_permission.user_permission import get_permitted_documents
 
-	condition = ""
-	user_permitted_warehouse = get_permitted_documents("Warehouse")
-	value = ()
-	if user_permitted_warehouse:
-		condition = "and name in %s"
-		value = set(user_permitted_warehouse)
-	elif not user_permitted_warehouse and filters.get("warehouse"):
-		condition = "and name = %s"
-		value = filters.get("warehouse")
+	wh = frappe.qb.DocType("Warehouse")
+	query = frappe.qb.from_(wh).select(wh.name).where(wh.is_group == 0)
 
-	return frappe.db.sql(
-		"""select name
-		from `tabWarehouse` where is_group = 0
-		{condition}""".format(
-			condition=condition
-		),
-		value,
-		as_dict=1,
-	)
+	user_permitted_warehouse = get_permitted_documents("Warehouse")
+	if user_permitted_warehouse:
+		query = query.where(wh.name.isin(set(user_permitted_warehouse)))
+	elif filters.get("warehouse"):
+		query = query.where(wh.name == filters.get("warehouse"))
+
+	return query.run(as_dict=True)
 
 
 def add_warehouse_column(columns, warehouse_list):