diff -r cc8953ea3c7e Lib/pathlib.py
--- a/Lib/pathlib.py	Sun Dec 01 10:03:26 2013 +0100
+++ b/Lib/pathlib.py	Sun Dec 01 11:25:05 2013 +0200
@@ -948,6 +948,11 @@
         """
         return cls(os.getcwd())
 
+    def expanduser(self):
+        """ Return a new path with expanded ~ and ~user constructs.
+        """
+        return self.__class__(os.path.expanduser(str(self)))
+
     def iterdir(self):
         """Iterate over the files in this directory.  Does not yield any
         result for the special paths '.' and '..'.
diff -r cc8953ea3c7e Lib/test/test_pathlib.py
--- a/Lib/test/test_pathlib.py	Sun Dec 01 10:03:26 2013 +0100
+++ b/Lib/test/test_pathlib.py	Sun Dec 01 11:25:05 2013 +0200
@@ -1134,6 +1134,11 @@
         p = self.cls('')
         self.assertEqual(p.stat(), os.stat('.'))
 
+    def test_expanduser(self):
+        p = self.cls('~')
+        self.assertEqual(os.path.expanduser(str(p)), 
+                         str(p.expanduser()))
+
     def test_exists(self):
         P = self.cls
         p = P(BASE)