diff --git a/erpnext/manufacturing/doctype/work_order/services/required_items.py b/erpnext/manufacturing/doctype/work_order/services/required_items.py
index 9d1b02fd440..544c779e938 100644
--- a/erpnext/manufacturing/doctype/work_order/services/required_items.py
+++ b/erpnext/manufacturing/doctype/work_order/services/required_items.py
@@ -24,12 +24,14 @@ from erpnext.manufacturing.doctype.work_order.services.reservation import (
 	get_row_wise_serial_batch,
 )
 from erpnext.manufacturing.doctype.work_order.services.status import StatusService
+from erpnext.setup.doctype.item_group.item_group import get_item_group_defaults
 from erpnext.stock.utils import get_bin, get_latest_stock_qty
 
 
 class RequiredItemsService:
 	def __init__(self, doc):
 		self.doc = doc
+		self._item_group_warehouses = {}
 
 	def update_required_items(self):
 		"""
@@ -116,7 +118,21 @@ class RequiredItemsService:
 	def _item_source_warehouse(self, item, reset_source_warehouse):
 		if reset_source_warehouse:
 			return self.doc.source_warehouse
-		return self.doc.source_warehouse or item.source_warehouse or item.default_warehouse
+		return (
+			self.doc.source_warehouse
+			or item.source_warehouse
+			or item.default_warehouse
+			or self._item_group_warehouse(item)
+		)
+
+	def _item_group_warehouse(self, item):
+		# components of a bom commonly share a group, look it up once for all of them
+		if item.item_group not in self._item_group_warehouses:
+			self._item_group_warehouses[item.item_group] = get_item_group_defaults(
+				item.item_code, self.doc.company
+			).get("default_warehouse")
+
+		return self._item_group_warehouses[item.item_group]
 
 	def _required_item_row(self, item, operation, source_warehouse):
 		return {
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 39fc7d16171..3101c0dc30b 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -60,8 +60,9 @@ from erpnext.manufacturing.doctype.work_order.services.reservation import (
 from erpnext.manufacturing.doctype.work_order.services.status import (
 	StatusService,
 )
+from erpnext.setup.doctype.item_group.item_group import get_item_group_defaults
 from erpnext.stock.doctype.batch.batch import make_batch
-from erpnext.stock.doctype.item.item import validate_end_of_life
+from erpnext.stock.doctype.item.item import get_item_defaults, validate_end_of_life
 from erpnext.stock.doctype.serial_no.serial_no import get_available_serial_nos
 from erpnext.stock.utils import validate_warehouse_company
 from erpnext.utilities.transaction_base import validate_uom_is_integer
@@ -568,7 +569,18 @@ class WorkOrder(Document):
 		if not self.wip_warehouse and not self.skip_transfer:
 			self.wip_warehouse = frappe.get_cached_value("Company", self.company, "default_wip_warehouse")
 		if not self.fg_warehouse:
-			self.fg_warehouse = frappe.get_cached_value("Company", self.company, "default_fg_warehouse")
+			self.fg_warehouse = (
+				frappe.get_cached_value("Company", self.company, "default_fg_warehouse")
+				or self.get_production_item_warehouse()
+			)
+
+	def get_production_item_warehouse(self):
+		if not self.production_item:
+			return None
+
+		return get_item_defaults(self.production_item, self.company).get(
+			"default_warehouse"
+		) or get_item_group_defaults(self.production_item, self.company).get("default_warehouse")
 
 	def check_wip_warehouse_skip(self):
 		if self.skip_transfer and not self.from_wip_warehouse: