diff --git a/site_ansto/instrument/util/gen_sct.py b/site_ansto/instrument/util/gen_sct.py
index e9756c4c..b3a80fa9 100755
--- a/site_ansto/instrument/util/gen_sct.py
+++ b/site_ansto/instrument/util/gen_sct.py
@@ -301,6 +301,7 @@ def p_group_statement_list(p):
 def p_group_statement(p):
   '''group_statement : group_assignment
                      | variable
+                     | group
                '''
   p[0] = p[1]
 
@@ -626,10 +627,14 @@ def build_group(MyDriver, p):
     if len(ContextStack[ContextIndex]['path']) > 0:
       ContextStack[ContextIndex]['path'] += '/'
     ContextStack[ContextIndex]['path'] += p[0]['name']
+  MyGroup['path'] = ContextStack[ContextIndex]['path']
   for item in p:
     if 'Variable' in item:
       MyVar = build_variable(MyDriver, item['Variable'])
       MyGroup['Vars'][MyVar['name']] = MyVar
+    elif 'Group' in item:
+      MySubGroup = build_group(MyDriver, item['Group'])
+      MyGroup['Groups'][MySubGroup['name']] = MySubGroup
     else:
       if Verbose:
         print "Group Item:", item
@@ -682,28 +687,30 @@ def build_driver(MyDriver, TheTree):
 #
 # Driver Dump Functions
 #
-def dump_driver_vars(vars):
+def dump_driver_vars(vars, indent):
   global FunctionTypes
   global DriveableFunctionTypes
   for item in sorted(vars):
-    print '    VAR %s = {' % item
+    print indent + '  VAR %s = {' % item
     for subitem in sorted([i for i in vars[item] if i not in FunctionTypes + DriveableFunctionTypes]):
-      print '      %s =' % subitem, vars[item][subitem]
+      print indent + '    %s =' % subitem, vars[item][subitem]
     for subitem in sorted([i for i in vars[item] if i in FunctionTypes]):
-      print '      %s =' % subitem, vars[item][subitem]
+      print indent + '    %s =' % subitem, vars[item][subitem]
     for subitem in sorted([i for i in vars[item] if i in DriveableFunctionTypes]):
-      print '      %s =' % subitem, vars[item][subitem]
-    print '    }'
-def dump_driver_groups(groups):
+      print indent + '    %s =' % subitem, vars[item][subitem]
+    print indent + '  }'
+
+def dump_driver_groups(groups, indent):
   for item in sorted(groups):
     if item:
-      print '  GROUP ' + item + ' = {'
+      print indent + 'GROUP ' + item + ' = {'
     else:
-      print '  GROUP = {'
+      print indent + 'GROUP = {'
     for subitem in sorted([x for x in groups[item] if not x in ['Groups', 'Vars']]):
-      print '   ', subitem, '=', groups[item][subitem]
-    dump_driver_vars(groups[item]['Vars'])
-    print '  }'
+      print indent + ' ', subitem, '=', groups[item][subitem]
+    dump_driver_vars(groups[item]['Vars'], indent)
+    dump_driver_groups(groups[item]['Groups'], indent + '  ')
+    print indent + '}'
 
 def dump_driver_funcs(funcs):
   for item in sorted(funcs):
@@ -720,7 +727,7 @@ def dump_driver(MyDriver):
   for item in sorted([x for x in MyDriver if x not in ['Groups', 'Funcs']]):
     print '  ' + item + ' =', MyDriver[item]
   #print 'Groups:', MyDriver['Groups']
-  dump_driver_groups(MyDriver['Groups'])
+  dump_driver_groups(MyDriver['Groups'], '  ')
   #print 'Funcs:', MyDriver['Funcs']
   dump_driver_funcs(MyDriver['Funcs'])
   print '}'
@@ -1030,11 +1037,11 @@ def put_group(MyDriver, MyGroup):
   txt = []
   if MyGroup['name']:
     txt += ['']
-    txt += ['    hfactory ${scobj_hpath}/%s plain spy none' % MyGroup['name']]
+    txt += ['    hfactory ${scobj_hpath}/%s plain spy none' % MyGroup['path']]
     if 'GroupProperty' in MyGroup:
       for key in sorted(MyGroup['GroupProperty']):
-        txt += ['    hsetprop ${scobj_hpath}/%s %s "%s"' % (MyGroup['name'], key, MyGroup['GroupProperty'][key])]
-    groupname = MyGroup['name'] + '/'
+        txt += ['    hsetprop ${scobj_hpath}/%s %s "%s"' % (MyGroup['path'], key, MyGroup['GroupProperty'][key])]
+    groupname = MyGroup['path'] + '/'
   else:
     groupname = ''
   for var in sorted(MyGroup['Vars']):
@@ -1042,7 +1049,7 @@ def put_group(MyDriver, MyGroup):
     MyVar = MyGroup['Vars'][var]
     nodename = groupname + MyVar['name']
     # Check driveable attributes are present if required
-    if MyVar['driveable']:
+    if 'driveable' in MyVar and MyVar['driveable']:
       for attr in ('lowerlimit', 'upperlimit', 'tolerance'):
         if attr not in MyVar:
           msg = 'Driveable: %s does not have required attribute: %s' % (nodename, attr)
@@ -1158,6 +1165,8 @@ def put_group(MyDriver, MyGroup):
       if MyVar['driveable']:
         txt += ['      ansto_makesctdrive ${name}_%s ${scobj_hpath}/%s ${scobj_hpath}/%s ${sct_controller}' % (MyVar['name'], nodename, MyVar['driveable'])]
     txt += ['    }']
+  for grp in sorted(MyGroup['Groups']):
+    txt += put_group(MyDriver, MyGroup['Groups'][grp])
   return txt
 
 def put_mk_sct_driver(MyDriver):
@@ -1305,9 +1314,9 @@ def process_drivers(TheDrivers):
     build_driver(MyDriver, TheDrivers[driver])
     if Verbose:
       print "MyDriver:", MyDriver['name'], '=', MyDriver
-    generate_driver(MyDriver)
     if DriverDump or Verbose:
       dump_driver(MyDriver)
+    generate_driver(MyDriver)
 
 def process_source(source_files):
   global PathName