The #63HalBurn represents house number 63, Street starting with HAL and the suburb starting with BURN.

We do not cater for unit numbers or alpha-numeric chars, only the 90% of the addresses where house number are numeric but you can enter a "/" to indicate a unit but it is ignored by the Google search. Eg #1/20HalBurn

The CR or enter key is valid on some browsers, others you have to click the "GO" button.

The UK streetSuburb are in the form OL13 9JW, which Google recognise and will decode, but as you see they are not deducable from the street address (OL13 9JW= 55 Pennine Road Bacup UK).