diff --git a/backend/app/db/models/materials.py b/backend/app/db/models/materials.py
index 9f8abbf4..617ea0ac 100644
--- a/backend/app/db/models/materials.py
+++ b/backend/app/db/models/materials.py
@@ -38,12 +38,27 @@ class MaterialType(enum.Enum):
     flat_roof_preparation = "flat_roof_preparation"
     flat_roof_vapour_barrier = "flat_roof_vapour_barrier"
     flat_roof_waterproofing = "flat_roof_waterproofing"
+    trickle_vent = "trickle_vent"
+    door_undercut = "door_undercut"
+    solar_pv = "solar_pv"
+    solar_battery = "solar_battery"
+    scaffolding = "scaffolding"
+    high_heat_retention_storage_heaters = "high_heat_retention_storage_heaters"
+    sealing_fireplace = "sealing_fireplace"
 
 
 class DepthUnit(enum.Enum):
     mm = "mm"
 
 
+class SizeUnit(enum.Enum):
+    # ["kWp", "kW", "watt", "storey"]
+    kWp = "kWp"
+    kW = "kW"
+    watt = "watt"
+    storey = "storey"
+
+
 class CostUnit(enum.Enum):
     gbp_sq_meter = "gbp_sq_meter"
     gbp_per_unit = "gbp_per_unit"
@@ -90,3 +105,11 @@ class Material(Base):
     total_cost = Column(Float)
     notes = Column(String)
     is_installer_quote = Column(Boolean, nullable=False, default=False)
+    innovation_rate = Column(Float, default=0.0)
+    size = Column(Float)
+    size_unit = Column(
+        Enum(SizeUnit, values_callable=lambda x: [e.value for e in x]), nullable=True
+    )
+    includes_scaffolding = Column(Boolean, default=False)
+    includes_battery = Column(Boolean, default=False)
+    battery_size = Column(Float)
diff --git a/etl/costs/app.py b/etl/costs/app.py
index f2bf365b..03c1813d 100644
--- a/etl/costs/app.py
+++ b/etl/costs/app.py
@@ -11,7 +11,7 @@ import inspect
 
 src_file_path = inspect.getfile(lambda: None)
 
-DATA_DIRECTORY = Path(src_file_path).parent / "local_data" / "20250316 Domna Materials.xlsx"
+DATA_DIRECTORY = Path(src_file_path).parent / "local_data" / "20250815 Domna Materials.xlsx"
 # Environment file is at the same level as this file
 ENV_FILE = Path(src_file_path).parent / "etl" / "costs" / ".env"
 dotenv.load_dotenv(ENV_FILE)
@@ -92,6 +92,10 @@ def app():
     flat_roof_costs = pd.read_excel(DATA_DIRECTORY, sheet_name="flat_roof_insulation", header=0)
     window_costs = pd.read_excel(DATA_DIRECTORY, sheet_name="window_glazing", header=0)
     rir_insulation_costs = pd.read_excel(DATA_DIRECTORY, sheet_name="room_roof_insulation", header=0)
+    solar_pv = pd.read_excel(DATA_DIRECTORY, sheet_name="solar_pv", header=0)
+    hhrsh = pd.read_excel(DATA_DIRECTORY, sheet_name="hhrsh", header=0)
+    scaffolding = pd.read_excel(DATA_DIRECTORY, sheet_name="scaffolding", header=0)
+    fireplaces = pd.read_excel(DATA_DIRECTORY, sheet_name="fireplaces", header=0)
 
     # Form a single table to be uploaded
     costs = pd.concat(
@@ -107,6 +111,10 @@ def app():
             flat_roof_costs,
             window_costs,
             rir_insulation_costs,
+            solar_pv,
+            hhrsh,
+            scaffolding,
+            fireplaces
         ]
     )
 
diff --git a/recommendations/WallRecommendations.py b/recommendations/WallRecommendations.py
index 3a2815bc..78ed8072 100644
--- a/recommendations/WallRecommendations.py
+++ b/recommendations/WallRecommendations.py
@@ -142,46 +142,6 @@ class WallRecommendations(Definitions):
 
         return True
 
-    def mds_recommend_cavity_wall_insulation(self, phase=None):
-        # Function specifically for cavity wall insulation, for usage in the mds report
-        self.recommendations = []
-        insulation_thickness = self.property.walls["insulation_thickness"]
-
-        u_value = get_wall_u_value(
-            clean_description=self.property.walls["clean_description"],
-            age_band=self.property.age_band,
-            is_granite_or_whinstone=self.property.walls["is_granite_or_whinstone"],
-            is_sandstone_or_limestone=self.property.walls["is_sandstone_or_limestone"],
-        )
-
-        # Test filling cavity
-        self.find_cavity_insulation(u_value, insulation_thickness, phase, measures)
-
-        return self.recommendations
-
-    def mds_recommend_ewi(self, phase=None):
-        # Function specifically for external wall insulation, for usage in the mds report
-        self.recommendations = []
-
-        u_value = self.property.walls["thermal_transmittance"]
-
-        if u_value is None:
-            u_value = get_wall_u_value(
-                clean_description=self.property.walls["clean_description"],
-                age_band=self.property.age_band,
-                is_granite_or_whinstone=self.property.walls["is_granite_or_whinstone"],
-                is_sandstone_or_limestone=self.property.walls["is_sandstone_or_limestone"],
-            )
-
-        # EWI
-        ewi_recommendations = self._find_insulation(
-            u_value=u_value,
-            insulation_materials=pd.DataFrame(self.external_wall_insulation_materials),
-            phase=phase
-        )
-
-        return ewi_recommendations
-
     def recommend(self, phase=0, measures=None, default_u_values=False):
         # if building built after 1990 + we're able to identify U-value +
         # U-value less than 0.18 and if in or close to a conversation area,
@@ -478,7 +438,8 @@ class WallRecommendations(Definitions):
                             "walls-energy-eff": "Good"
                         },
                         **cost_result,
-                        "survey": non_invasive_recommendations.get("survey", False)
+                        "survey": non_invasive_recommendations.get("survey", False),
+                        "innovation_rate": material.to_dict()["innovation_rate"]
                     }
                 )
 
@@ -658,7 +619,8 @@ class WallRecommendations(Definitions):
                                 "walls-energy-eff": simulation_config["walls_energy_eff_ending"]
                             },
                             **cost_result,
-                            "survey": survey
+                            "survey": survey,
+                            "innovation_rate": material.to_dict()["innovation_rate"]
                         }
                     )