diff --git a/backend/app/db/functions/recommendations_functions.py b/backend/app/db/functions/recommendations_functions.py
index 542dde93..dfdd153e 100644
--- a/backend/app/db/functions/recommendations_functions.py
+++ b/backend/app/db/functions/recommendations_functions.py
@@ -59,14 +59,14 @@ def prepare_plan_data(
         "valuation_increase_average": (
             valuations["average_increased_value"] - valuations["current_value"]
         ),
-        "post_sap_points": new_sap_points,
+        "post_sap_points": float(new_sap_points),
         "post_epc_rating": new_epc,
-        "post_co2_emissions": post_co2_emissions,
-        "co2_savings": co2_savings,
-        "post_energy_bill": post_energy_bill,
-        "energy_bill_savings": energy_bill_savings,
-        "post_energy_consumption": post_energy_consumption,
-        "energy_consumption_savings": energy_consumption_savings,
+        "post_co2_emissions": float(post_co2_emissions),
+        "co2_savings": float(co2_savings),
+        "post_energy_bill": float(post_energy_bill),
+        "energy_bill_savings": float(energy_bill_savings),
+        "post_energy_consumption": float(post_energy_consumption),
+        "energy_consumption_savings": float(energy_consumption_savings),
         "valuation_post_retrofit": valuation_post_retrofit,
         "valuation_increase": valuation_increase,
         "plan_type": eco_packages.get(p.id, (None, None, None))[2]