diff --git a/flow/e2e/clickhouse/peer_flow_ch_test.go b/flow/e2e/clickhouse/peer_flow_ch_test.go
index 813d3d35c5..7b0c06b8aa 100644
--- a/flow/e2e/clickhouse/peer_flow_ch_test.go
+++ b/flow/e2e/clickhouse/peer_flow_ch_test.go
@@ -635,7 +635,6 @@ func (s ClickHouseSuite) testNumericFF(ffValue bool) {
 
 	_, err = s.Conn().Exec(context.Background(), fmt.Sprintf("INSERT INTO %s(c) VALUES($1)", srcFullName), nines)
 	require.NoError(s.t, err)
-
 	e2e.EnvWaitForCount(env, s, "waiting for CDC count", dstTableName, "id,c", 2)
 
 	rows, err := s.GetRows(dstTableName, "c")
@@ -666,6 +665,63 @@ func (s ClickHouseSuite) Test_Unbounded_Numeric_Without_FF() {
 	s.testNumericFF(false)
 }
 
+const rawBinaryFormatTestcase = "\x00\x010123\x7f\xff"
+
+// PEERDB_BINARY_FORMAT
+func (s ClickHouseSuite) testBinaryFormat(format string, expected string) {
+	dstTableName := "binary_format_" + format
+	srcFullName := s.attachSchemaSuffix(dstTableName)
+
+	_, err := s.Conn().Exec(context.Background(), fmt.Sprintf(`
+		CREATE TABLE IF NOT EXISTS %s(
+			id INT PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,
+			val bytea
+		);
+	`, srcFullName))
+	require.NoError(s.t, err)
+
+	_, err = s.Conn().Exec(context.Background(), fmt.Sprintf("INSERT INTO %s(val) VALUES($1)", srcFullName), []byte(rawBinaryFormatTestcase))
+	require.NoError(s.t, err)
+
+	connectionGen := e2e.FlowConnectionGenerationConfig{
+		FlowJobName:      s.attachSuffix("ch_binary_format_" + format),
+		TableNameMapping: map[string]string{srcFullName: dstTableName},
+		Destination:      s.Peer().Name,
+	}
+	flowConnConfig := connectionGen.GenerateFlowConnectionConfigs(s.t)
+	flowConnConfig.DoInitialSnapshot = true
+	flowConnConfig.Env = map[string]string{"PEERDB_BINARY_FORMAT": format}
+	tc := e2e.NewTemporalClient(s.t)
+	env := e2e.ExecutePeerflow(tc, peerflow.CDCFlowWorkflow, flowConnConfig, nil)
+	e2e.SetupCDCFlowStatusQuery(s.t, env, flowConnConfig)
+
+	e2e.EnvWaitForCount(env, s, "waiting for CDC count", dstTableName, "id,val", 1)
+
+	_, err = s.Conn().Exec(context.Background(), fmt.Sprintf("INSERT INTO %s(val) VALUES($1)", srcFullName), []byte(rawBinaryFormatTestcase))
+	require.NoError(s.t, err)
+	e2e.EnvWaitForCount(env, s, "waiting for CDC count", dstTableName, "id,val", 2)
+
+	rows, err := s.GetRows(dstTableName, "val")
+	require.NoError(s.t, err)
+	require.Len(s.t, rows.Records, 2, "expected 2 rows")
+	for _, row := range rows.Records {
+		require.Len(s.t, row, 1, "expected 1 column")
+		require.Equal(s.t, expected, row[0].Value())
+	}
+}
+
+func (s ClickHouseSuite) Test_Binary_Format_Raw() {
+	s.testBinaryFormat("raw", rawBinaryFormatTestcase)
+}
+
+func (s ClickHouseSuite) Test_Binary_Format_Hex() {
+	s.testBinaryFormat("hex", "0001303132337FFF")
+}
+
+func (s ClickHouseSuite) Test_Binary_Format_Base64() {
+	s.testBinaryFormat("base64", "AAEwMTIzf/8=")
+}
+
 func (s ClickHouseSuite) Test_Types_CH() {
 	srcTableName := "test_types"
 	srcFullName := s.attachSchemaSuffix("test_types")