diff --git a/frontend/src/views/falukant/HouseView.vue b/frontend/src/views/falukant/HouseView.vue
index ba8548c..aebd1a8 100644
--- a/frontend/src/views/falukant/HouseView.vue
+++ b/frontend/src/views/falukant/HouseView.vue
@@ -125,6 +125,7 @@ export default {
             return new Intl.NumberFormat('de-DE', { minimumFractionDigits: 2, maximumFractionDigits: 2 }).format(value);
         },
         getRenovationCost(key, value) {
+            if (!this.userHouse || !this.userHouse.houseType) return this.formatPrice(0);
             const base = this.userHouse.houseType.cost || 0;
             const weights = { roofCondition: 0.25, wallCondition: 0.25, floorCondition: 0.25, windowCondition: 0.25 };
             const weight = weights[key] || 0;
@@ -141,12 +142,13 @@ export default {
         },
         getWorth() {
             const vals = Object.values(this.status);
-            if (!vals.length) return this.formatPrice(0);
+            if (!vals.length || !this.houseType) return this.formatPrice(0);
             const avg = vals.reduce((s, v) => s + v, 0) / vals.length;
             const price = this.houseType.cost || 0;
             return this.formatPrice(price * avg / 100 * 0.8);
         },
         buyCost(house) {
+            if (!house || !house.houseType) return this.formatPrice(0);
             const avg = (house.roofCondition + house.wallCondition + house.floorCondition + house.windowCondition) / 4;
             return this.formatPrice(house.houseType.cost * avg / 100);
         },