diff --git a/region.cpp b/region.cpp
index a8c81895..5bfcd02a 100644
--- a/region.cpp
+++ b/region.cpp
@@ -38,6 +38,16 @@ region<T>::region (T _x, T _y, T _width, T _height):
 { ; }
 
 
+template <typename T>
+region<T>&
+region<T>::operator+= (const vector &rhs) {
+    x += rhs.x;
+    y += rhs.y;
+
+    return *this;
+}
+
+
 template <typename T>
 T 
 region<T>::area (void) const
@@ -57,6 +67,13 @@ region<T>::empty (void) const
     { return almost_equal (area (), 0); }
 
 
+template <typename T>
+point
+region<T>::base (void) const {
+    return { static_cast<double> (x), static_cast<double> (y), 0.0 };
+}
+
+
 template <typename T>
 point
 region<T>::centre (void) const {
diff --git a/region.hpp b/region.hpp
index 7da7e687..4da5b181 100644
--- a/region.hpp
+++ b/region.hpp
@@ -34,11 +34,14 @@ namespace util {
 
         region (T _x, T _y, T _width, T _height);
 
+        region& operator +=(const vector& rhs);
+
         T area     (void) const;
         T diameter (void) const;
 
         bool empty (void) const;
 
+        point base   (void) const;
         point centre (void) const;
 
         bool includes (const point&) const; // inclusive of borders