Put the title in a CDATA for the rss feed.

docs/templates/rss.tpl

@@ -6,7 +6,7 @@
 		<description></description>
         {foreach name="applications" from="$applications" item="application"}
             <item>
-                <title>{$application->address}</title>
+                <title><![CDATA[{$application->address}]]></title>
                 <pubDate>{$application->date_scraped|date_format:"%a, %e %b %Y"}</pubDate>                
                 <guid isPermaLink="false">{$application->council_reference}</guid>
                 <georss:featurename>{$application->address}</georss:featurename>