Thanks for taking the time to let us know about something not working properly. The more information you provide, the less work we will have to do in order to fix the problem and so the more likely it is to be fixed.
As we are getting a large number of enquiries, we may not be able to respond to all of them in a timely fashion. Please take the time to read through the FAQ before sending a message in case your question is answered there.
If you have found a bug, then please tell us which browser you are trying to use.
If you don't trust feedback forms on websites then email your problem instead.
If you have found a postcode in the wrong place, you can report it bad by clicking on the marker on the map.