diff --git a/domain/property/property.py b/domain/property/property.py
index 825a79a7..f6b8957d 100644
--- a/domain/property/property.py
+++ b/domain/property/property.py
@@ -4,6 +4,7 @@ from dataclasses import dataclass
 from typing import Literal, Optional
 
 from datatypes.epc.domain.epc_property_data import EpcPropertyData
+from domain.geospatial.planning_restrictions import PlanningRestrictions
 from domain.property.site_notes import SiteNotes
 
 SourcePath = Literal["site_notes", "epc_with_overlay"]
@@ -40,6 +41,9 @@ class Property:
     # The current open-market value (a Property Valuation) — externally sourced
     # and mostly absent; feeds the Plan's Valuation Uplift £ forms (ADR-0018).
     current_market_value: Optional[float] = None
+    # Planning protections resolved from the geospatial layer (ADR-0020); gate
+    # wall insulation (ADR-0019). Defaults to unrestricted when unknown.
+    planning_restrictions: PlanningRestrictions = PlanningRestrictions()
 
     @property
     def source_path(self) -> SourcePath:
diff --git a/harness/console.py b/harness/console.py
index 68285b94..83d7875c 100644
--- a/harness/console.py
+++ b/harness/console.py
@@ -22,6 +22,7 @@ from typing import Any, Optional
 
 from datatypes.epc.domain.epc_property_data import EpcPropertyData
 from domain.geospatial.coordinates import Coordinates
+from domain.geospatial.planning_restrictions import PlanningRestrictions
 from domain.modelling.plan import Plan
 from domain.modelling.scenario import Scenario
 from domain.property.property import Property, PropertyIdentity
@@ -167,6 +168,7 @@ def run_modelling(
     goal_band: str = "C",
     catalogue_path: Path = DEFAULT_CATALOGUE,
     current_market_value: Optional[float] = None,
+    planning_restrictions: PlanningRestrictions = PlanningRestrictions(),
     print_table: bool = True,
 ) -> Plan:
     """Run ONLY the Modelling stage over ``epc`` with no database — skipping
@@ -186,6 +188,7 @@ def run_modelling(
                 ),
                 epc=epc,
                 current_market_value=current_market_value,
+                planning_restrictions=planning_restrictions,
             )
         },
     )
diff --git a/orchestration/modelling_orchestrator.py b/orchestration/modelling_orchestrator.py
index 6b8d4cdc..e8e5d042 100644
--- a/orchestration/modelling_orchestrator.py
+++ b/orchestration/modelling_orchestrator.py
@@ -28,6 +28,7 @@ from domain.modelling.scoring.scoring import (
 )
 from domain.modelling.generators.wall_recommendation import recommend_cavity_wall
 from domain.modelling.generators.solid_wall_recommendation import recommend_solid_wall
+from domain.geospatial.planning_restrictions import PlanningRestrictions
 from domain.sap10_calculator.calculator import SapCalculator
 from repositories.fuel_rates.fuel_rates_repository import FuelRatesRepository
 from repositories.product.product_repository import ProductRepository
@@ -104,6 +105,7 @@ class ModellingOrchestrator:
                         uow.product,
                         scenario,
                         current_market_value=prop.current_market_value,
+                        planning_restrictions=prop.planning_restrictions,
                     )
                     uow.plan.save(
                         plan,
@@ -123,11 +125,12 @@ class ModellingOrchestrator:
         scenario: Scenario,
         *,
         current_market_value: Optional[float],
+        planning_restrictions: PlanningRestrictions,
     ) -> Plan:
         """Generate → score → optimise → re-score/repair → attribute → bill →
         assemble the Plan for one Property + Scenario."""
         groups: list[list[ScoredOption]] = _scored_candidate_groups(
-            scorer, effective_epc, products
+            scorer, effective_epc, products, planning_restrictions
         )
         # Forced Measure Dependencies (ventilation) are excluded from the pool
         # but injected into the package before the re-score (ADR-0016).
@@ -190,16 +193,19 @@ def _bill_for(bill_derivation: BillDerivation, score: Score) -> Bill:
 
 
 def _candidate_recommendations(
-    effective_epc: EpcPropertyData, products: ProductRepository
+    effective_epc: EpcPropertyData,
+    products: ProductRepository,
+    planning_restrictions: PlanningRestrictions,
 ) -> list[Recommendation]:
-    """Run every fabric Recommendation Generator; keep the ones that apply."""
-    generators = (
-        recommend_cavity_wall,
-        recommend_solid_wall,
-        recommend_loft_insulation,
-        recommend_floor_insulation,
+    """Run every fabric Recommendation Generator; keep the ones that apply.
+    Solid-wall insulation is additionally gated by the Property's planning
+    protections (ADR-0019)."""
+    found = (
+        recommend_cavity_wall(effective_epc, products),
+        recommend_solid_wall(effective_epc, products, planning_restrictions),
+        recommend_loft_insulation(effective_epc, products),
+        recommend_floor_insulation(effective_epc, products),
     )
-    found = (generator(effective_epc, products) for generator in generators)
     return [recommendation for recommendation in found if recommendation is not None]
 
 
@@ -219,11 +225,14 @@ def _scored_candidate_groups(
     scorer: PackageScorer,
     effective_epc: EpcPropertyData,
     products: ProductRepository,
+    planning_restrictions: PlanningRestrictions,
 ) -> list[list[ScoredOption]]:
     """One group per Recommendation: each Option scored independently against
     the baseline (role-1 warm-start signal, ADR-0016)."""
     groups: list[list[ScoredOption]] = []
-    for recommendation in _candidate_recommendations(effective_epc, products):
+    for recommendation in _candidate_recommendations(
+        effective_epc, products, planning_restrictions
+    ):
         options = list(recommendation.options)
         impacts: list[MeasureImpact] = independent_option_impacts(
             scorer, effective_epc, options
diff --git a/tests/harness/test_console.py b/tests/harness/test_console.py
index 73109d40..cd3ad9af 100644
--- a/tests/harness/test_console.py
+++ b/tests/harness/test_console.py
@@ -8,6 +8,7 @@ import pytest
 
 from datatypes.epc.domain.epc import Epc
 from datatypes.epc.domain.epc_property_data import EpcPropertyData
+from domain.geospatial.planning_restrictions import PlanningRestrictions
 from harness.console import DEFAULT_CATALOGUE, run_modelling, run_one
 from repositories.product.product_json_repository import ProductJsonRepository
 from tests.domain.modelling._elmhurst_recommendation import (
@@ -86,6 +87,28 @@ def test_run_modelling_recommends_solid_wall_insulation_for_solid_brick() -> Non
     assert measure_types & {"external_wall_insulation", "internal_wall_insulation"}
 
 
+def test_run_modelling_listed_building_yields_no_wall_insulation() -> None:
+    # Arrange — the same uninsulated solid-brick dwelling that gets IWI when
+    # unrestricted; listing it protects the fabric, blocking both EWI and IWI.
+    epc: EpcPropertyData = parse_recommendation_summary(
+        "solid_brick_ewi_001431_before.pdf"
+    )
+
+    # Act — thread a listed-building restriction through to the generator.
+    plan = run_modelling(
+        epc,
+        goal_band="C",
+        print_table=False,
+        planning_restrictions=PlanningRestrictions(is_listed=True),
+    )
+
+    # Assert — no wall-insulation measure survives the restriction.
+    measure_types = {measure.measure_type for measure in plan.measures}
+    assert not (
+        measure_types & {"external_wall_insulation", "internal_wall_insulation"}
+    )
+
+
 def test_sample_catalogue_prices_every_generator_measure_type() -> None:
     # Arrange — the default offline catalogue.
     products: ProductJsonRepository = ProductJsonRepository(DEFAULT_CATALOGUE)