diff --git a/app/migrations/20190529133445-range-fields.js b/app/migrations/20190529133445-range-fields.js
new file mode 100644
index 0000000..3f056e2
--- /dev/null
+++ b/app/migrations/20190529133445-range-fields.js
@@ -0,0 +1,63 @@
+module.exports = {
+    up: (queryInterface, Sequelize) => {
+        return queryInterface.sequelize.transaction((t) => {
+            return Promise.all([
+                queryInterface.removeColumn('RealEstateRequests', 'sizeRange', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'gardenSizeRange', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'priceRange', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'size', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'gardenSize', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'price', { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'sizeRange', {
+                    type: Sequelize.INTEGER
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'gardenSizeRange', {
+                    type: Sequelize.INTEGER,
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'priceRange', {
+                    type: Sequelize.INTEGER,
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'size', {
+                    type: Sequelize.INTEGER
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'gardenSize', {
+                    type: Sequelize.INTEGER,
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'price', {
+                    type: Sequelize.INTEGER,
+                }, { transaction: t })
+            ])
+        })
+    },
+
+    down: (queryInterface, Sequelize) => {
+        return queryInterface.sequelize.transaction((t) => {
+            return Promise.all([
+                queryInterface.removeColumn('RealEstateRequests', 'sizeRange', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'gardenSizeRange', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'priceRange', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'size', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'gardenSize', { transaction: t }),
+                queryInterface.removeColumn('RealEstateRequests', 'price', { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'sizeRange', {
+                    type: Sequelize.STRING
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'gardenSizeRange', {
+                    type: Sequelize.STRING,
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'priceRange', {
+                    type: Sequelize.STRING,
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'size', {
+                    type: Sequelize.STRING
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'gardenSize', {
+                    type: Sequelize.STRING,
+                }, { transaction: t }),
+                queryInterface.addColumn('RealEstateRequests', 'price', {
+                    type: Sequelize.STRING,
+                }, { transaction: t })
+            ])
+        })
+    }
+};
\ No newline at end of file
diff --git a/app/models/realestaterequest.js b/app/models/realestaterequest.js
index 228bbc6..c26cd41 100644
--- a/app/models/realestaterequest.js
+++ b/app/models/realestaterequest.js
@@ -12,12 +12,12 @@ module.exports = (sequelize, DataTypes) => {
     email: DataTypes.STRING,
     region: DataTypes.STRING,
     municipality: DataTypes.STRING,
-    size: DataTypes.STRING,
-    sizeRange: DataTypes.STRING,
-    gardenSize: DataTypes.STRING,
-    gardenSizeRange: DataTypes.STRING,
-    price: DataTypes.STRING,
-    priceRange: DataTypes.STRING,
+    size: DataTypes.INTEGER,
+    sizeRange: DataTypes.INTEGER,
+    gardenSize: DataTypes.INTEGER,
+    gardenSizeRange: DataTypes.INTEGER,
+    price: DataTypes.INTEGER,
+    priceRange: DataTypes.INTEGER,
     bounding_box: DataTypes.GEOMETRY('POINT', 4326)
   }, {});
   RealEstateRequest.associate = function(models) {