diff --git a/src/server/models/projectModel.js b/src/server/models/projectModel.js
index b5e2968..a6e1e67 100644
--- a/src/server/models/projectModel.js
+++ b/src/server/models/projectModel.js
@@ -17,6 +17,13 @@ const isValidTerm = (value) => {
     })
 }
 
+const isDecimal = (value) => {
+    return validator.isDecimal(value + '', {
+        decimal_digits: '0,2',
+        locale: 'en-GB',
+    })
+}
+
 const projectSchema = new mongoose.Schema(
     {
         // cloudwatch gives it a unique id - automatically set using a sequence!!
@@ -59,7 +66,10 @@ const projectSchema = new mongoose.Schema(
         // project type (mostly IA, RIA, RA, or CSA)
         type: String,
         // the project's total budget (EC contrib plus partner's own contribs)
-        totalCost: Number,
+        totalCost: {
+            type: Number,
+            validate: [isDecimal, 'At most 2 decimals allowed.'],
+        },
         // project home page
         url: {
             type: String,
diff --git a/src/server/views/admin/editProject.pug b/src/server/views/admin/editProject.pug
index 2c5b9aa..24bb8d9 100644
--- a/src/server/views/admin/editProject.pug
+++ b/src/server/views/admin/editProject.pug
@@ -71,7 +71,7 @@ block content
             input#projecttype.form__input(type='string', value=project.type)
         .form__group
             label.form__label(for='totalCost') Budget (optional)
-            input#totalCost.form__input(type='number', value=project.totalCost)
+            input#totalCost.form__input(type='number', step=".01", value=project.totalCost)
         .form__group
             label.form__label(for='url') Project homepage
             input#url.form__input(type='string', value=project.url)