diff --git a/app/src/cc-config.json b/app/src/cc-config.json
index a0611813..dd1361ae 100644
--- a/app/src/cc-config.json
+++ b/app/src/cc-config.json
@@ -5,5 +5,8 @@
     "privacyStatement": "{Privacy statement goes here}",
 
     "initialMapPosition": [ 51.5245255, -0.1338422 ],
-    "initialZoomLevel": 16
+    "initialZoomLevel": 16,
+
+    "postcode": "Postcode",
+    "energy_rating": "Building Research Establishment Environmental Assessment Method (BREEAM) rating"
 }
diff --git a/app/src/cc-config.ts b/app/src/cc-config.ts
index 905cf5db..54390139 100644
--- a/app/src/cc-config.ts
+++ b/app/src/cc-config.ts
@@ -1,11 +1,14 @@
 export interface CCConfig
 {
-    cityName: string;
-    projectBlurb: string;
-    githubURL: string;
-    privacyStatement: string;
+    cityName: string;                           // City name (i.e. "Colouring {City Name}")
+    projectBlurb: string;                       // Description used on homepage
+    githubURL: string;                          // URL of the project's GitHub repository
+    privacyStatement: string;                   // Privacy statement, including where data is stored
     
-    initialMapPosition: [number, number];
-    initialZoomLevel: number;
+    initialMapPosition: [number, number];       // Initial location of the map [latitude, longitude]
+    initialZoomLevel: number;                   // Initial Zoom Level 
+
+    postcode: string;                           // Alternative for "Postcode" text (i.e. "Zip Code")
+    energy_rating: string;                      // Official Environmental Energy Rating (BREEAM Rating in UK)
 }