diff --git a/core/src/com/unciv/logic/city/CityConstructions.kt b/core/src/com/unciv/logic/city/CityConstructions.kt
index 2fc981638a..f175a18d87 100644
--- a/core/src/com/unciv/logic/city/CityConstructions.kt
+++ b/core/src/com/unciv/logic/city/CityConstructions.kt
@@ -345,6 +345,7 @@ class CityConstructions : IsPartOfGameInfoSerialization {
                     city.civ.addNotification("No space available to place [${construction.name}] near [${city.name}]",
                         city.location, NotificationCategory.Production, construction.name)
                 }
+                city.civ.civConstructions.builtItemsWithIncreasingCost[construction.name] += 1
             }
         }
     }
diff --git a/core/src/com/unciv/logic/civilization/CivConstructions.kt b/core/src/com/unciv/logic/civilization/CivConstructions.kt
index 6168c45b52..72d4126aec 100644
--- a/core/src/com/unciv/logic/civilization/CivConstructions.kt
+++ b/core/src/com/unciv/logic/civilization/CivConstructions.kt
@@ -21,6 +21,9 @@ class CivConstructions : IsPartOfGameInfoSerialization {
     /** Maps construction names to the amount of times bought */
     val boughtItemsWithIncreasingPrice: Counter<String> = Counter()
 
+    /** Maps construction names to the amount of times built */
+    val builtItemsWithIncreasingCost: Counter<String> = Counter()
+
     /** Maps cities by id to a set of all free buildings by name they contain.
      *  The building name is the Nation-specific equivalent if available.
      *  Sources: [UniqueType.FreeStatBuildings] **and** [UniqueType.FreeSpecificBuildings]
@@ -51,6 +54,7 @@ class CivConstructions : IsPartOfGameInfoSerialization {
         toReturn.freeStatBuildingsProvided.putAll(freeStatBuildingsProvided)
         toReturn.freeSpecificBuildingsProvided.putAll(freeSpecificBuildingsProvided)
         toReturn.boughtItemsWithIncreasingPrice.add(boughtItemsWithIncreasingPrice)  // add copies
+        toReturn.builtItemsWithIncreasingCost.add(builtItemsWithIncreasingCost)
         return toReturn
     }
 
diff --git a/core/src/com/unciv/models/ruleset/Building.kt b/core/src/com/unciv/models/ruleset/Building.kt
index afd3a7d7e6..75297d2405 100644
--- a/core/src/com/unciv/models/ruleset/Building.kt
+++ b/core/src/com/unciv/models/ruleset/Building.kt
@@ -105,6 +105,9 @@ class Building : RulesetStatsObject(), INonPerpetualConstruction {
     override fun getProductionCost(civInfo: Civilization): Int {
         var productionCost = cost.toFloat()
 
+        for (unique in getMatchingUniques(UniqueType.CostIncreasesWhenBuilt, StateForConditionals(civInfo)))
+            productionCost += civInfo.civConstructions.builtItemsWithIncreasingCost[name] * unique.params[0].toInt()
+
         for (unique in getMatchingUniques(UniqueType.CostIncreasesPerCity, StateForConditionals(civInfo)))
             productionCost += civInfo.cities.size * unique.params[0].toInt()
 
diff --git a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
index 38938f4550..6b9c7f5cbf 100644
--- a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
+++ b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
@@ -280,7 +280,8 @@ enum class UniqueType(
     ///////////////////////////////////////// region 03 BUILDING UNIQUES /////////////////////////////////////////
 
 
-    CostIncreasesPerCity("Cost increases by [amount] per owned city", UniqueTarget.Building),
+    CostIncreasesPerCity("Cost increases by [amount] per owned city", UniqueTarget.Building, UniqueTarget.Unit),
+    CostIncreasesWhenBuilt("Cost increases by [amount] when built", UniqueTarget.Building, UniqueTarget.Unit),
 
     RequiresBuildingInAllCities("Requires a [buildingFilter] in all cities", UniqueTarget.Building),
     RequiresBuildingInSomeCities("Requires a [buildingFilter] in at least [amount] cities", UniqueTarget.Building),
diff --git a/core/src/com/unciv/models/ruleset/unit/BaseUnitCost.kt b/core/src/com/unciv/models/ruleset/unit/BaseUnitCost.kt
index 843f9527b7..f59487094a 100644
--- a/core/src/com/unciv/models/ruleset/unit/BaseUnitCost.kt
+++ b/core/src/com/unciv/models/ruleset/unit/BaseUnitCost.kt
@@ -11,6 +11,13 @@ class BaseUnitCost(val baseUnit: BaseUnit) {
 
     fun getProductionCost(civInfo: Civilization): Int {
         var productionCost = baseUnit.cost.toFloat()
+
+        for (unique in baseUnit.getMatchingUniques(UniqueType.CostIncreasesPerCity, StateForConditionals(civInfo)))
+            productionCost += civInfo.cities.size * unique.params[0].toInt()
+
+        for (unique in baseUnit.getMatchingUniques(UniqueType.CostIncreasesWhenBuilt, StateForConditionals(civInfo)))
+            productionCost += civInfo.civConstructions.builtItemsWithIncreasingCost[baseUnit.name] * unique.params[0].toInt()
+
         if (civInfo.isCityState())
             productionCost *= 1.5f
         productionCost *= if (civInfo.isHuman())