diff --git a/packages/frontend/@n8n/i18n/src/locales/en.json b/packages/frontend/@n8n/i18n/src/locales/en.json
index 44d0d5fc29..a6d6d67257 100644
--- a/packages/frontend/@n8n/i18n/src/locales/en.json
+++ b/packages/frontend/@n8n/i18n/src/locales/en.json
@@ -3295,6 +3295,7 @@
 	"evaluation.executions.toast.addedTo.title": "Execution added to test ",
 	"evaluation.executions.toast.closeTab": "Close this tab",
 	"evaluation.executions.toast.removedFrom.title": "Execution removed from test ",
+	"evaluations.readOnlyNotice": "Evaluations can't be built in read-only mode. Build your evaluation on your development environment.",
 	"evaluations.paywall.title": "Register to enable evaluation",
 	"evaluations.paywall.description": "Register your Community instance to unlock the evaluation feature",
 	"evaluations.paywall.cta": "Register instance",
diff --git a/packages/frontend/editor-ui/src/views/Evaluations.ee/EvaluationsRootView.vue b/packages/frontend/editor-ui/src/views/Evaluations.ee/EvaluationsRootView.vue
index cc1d8968b5..81342a79c8 100644
--- a/packages/frontend/editor-ui/src/views/Evaluations.ee/EvaluationsRootView.vue
+++ b/packages/frontend/editor-ui/src/views/Evaluations.ee/EvaluationsRootView.vue
@@ -9,9 +9,10 @@ import { useToast } from '@/composables/useToast';
 import { useI18n } from '@n8n/i18n';
 import { useEvaluationStore } from '@/stores/evaluation.store.ee';
 import { useNodeTypesStore } from '@/stores/nodeTypes.store';
+import { useSourceControlStore } from '@/stores/sourceControl.store';
 
 import { computed, watch } from 'vue';
-import { N8nLink, N8nText } from '@n8n/design-system';
+import { N8nCallout, N8nLink, N8nText } from '@n8n/design-system';
 import EvaluationsPaywall from '@/components/Evaluations.ee/Paywall/EvaluationsPaywall.vue';
 import SetupWizard from '@/components/Evaluations.ee/SetupWizard/SetupWizard.vue';
 
@@ -26,6 +27,7 @@ const nodeTypesStore = useNodeTypesStore();
 const telemetry = useTelemetry();
 const toast = useToast();
 const locale = useI18n();
+const sourceControlStore = useSourceControlStore();
 
 const { initializeWorkspace } = useCanvasOperations();
 
@@ -33,6 +35,10 @@ const evaluationsLicensed = computed(() => {
 	return usageStore.workflowsWithEvaluationsLimit !== 0;
 });
 
+const isProtectedEnvironment = computed(() => {
+	return sourceControlStore.preferences.branchReadOnly;
+});
+
 const runs = computed(() => {
 	return Object.values(evaluationStore.testRunsById ?? {}).filter(
 		({ workflowId }) => workflowId === props.name,
@@ -142,7 +148,10 @@ watch(
 					</N8nText>
 				</div>
 
-				<div :class="$style.config">
+				<N8nCallout v-if="isProtectedEnvironment" theme="info" icon="info">
+					{{ locale.baseText('evaluations.readOnlyNotice') }}
+				</N8nCallout>
+				<div v-else :class="$style.config">
 					<iframe
 						style="min-width: 500px"
 						width="500"
diff --git a/packages/frontend/editor-ui/src/views/Evaluations.ee/tests/EvaluationsRootView.test.ts b/packages/frontend/editor-ui/src/views/Evaluations.ee/tests/EvaluationsRootView.test.ts
index 6c02965bf9..af6ad5e82d 100644
--- a/packages/frontend/editor-ui/src/views/Evaluations.ee/tests/EvaluationsRootView.test.ts
+++ b/packages/frontend/editor-ui/src/views/Evaluations.ee/tests/EvaluationsRootView.test.ts
@@ -7,6 +7,7 @@ import EvaluationRootView from '../EvaluationsRootView.vue';
 import { useWorkflowsStore } from '@/stores/workflows.store';
 import { useEvaluationStore } from '@/stores/evaluation.store.ee';
 import { useUsageStore } from '@/stores/usage.store';
+import { useSourceControlStore } from '@/stores/sourceControl.store';
 import { mockedStore } from '@/__tests__/utils';
 import type { IWorkflowDb } from '@/Interface';
 import { waitFor } from '@testing-library/vue';
@@ -15,6 +16,7 @@ import { PLACEHOLDER_EMPTY_WORKFLOW_ID } from '@/constants';
 import { useTelemetry } from '@/composables/useTelemetry';
 import { EVALUATION_NODE_TYPE, EVALUATION_TRIGGER_NODE_TYPE, NodeHelpers } from 'n8n-workflow';
 import { mockNodeTypeDescription } from '@/__tests__/mocks';
+import type { SourceControlPreferences } from '@/types/sourceControl.types';
 
 vi.mock('@/composables/useTelemetry', () => {
 	const track = vi.fn();
@@ -32,6 +34,15 @@ vi.mock('@/stores/nodeTypes.store', () => ({
 	})),
 }));
 
+vi.mock('@n8n/i18n', async (importOriginal) => {
+	return {
+		...(await importOriginal()),
+		useI18n: () => ({
+			baseText: vi.fn((key: string) => `mocked-${key}`),
+		}),
+	};
+});
+
 describe('EvaluationsRootView', () => {
 	const renderComponent = createComponentRenderer(EvaluationRootView);
 
@@ -127,6 +138,21 @@ describe('EvaluationsRootView', () => {
 		await waitFor(() => expect(container.querySelector('.setupContent')).toBeTruthy());
 	});
 
+	it('should render read-only callout when in protected environment', async () => {
+		const workflowsStore = mockedStore(useWorkflowsStore);
+		const sourceControlStore = mockedStore(useSourceControlStore);
+		workflowsStore.fetchWorkflow.mockResolvedValue(mockWorkflow);
+		sourceControlStore.preferences = mock<SourceControlPreferences>({ branchReadOnly: true });
+
+		const { container } = renderComponent({ props: { name: mockWorkflow.id } });
+
+		await waitFor(() => {
+			const callout = container.querySelector('[role="alert"]');
+			expect(callout).toBeTruthy();
+			expect(callout?.textContent).toContain('mocked-evaluations.readOnlyNotice');
+		});
+	});
+
 	describe('telemetry', () => {
 		it('should send telemetry event on mount with setup view when no test runs exist', async () => {
 			const workflowsStore = mockedStore(useWorkflowsStore);