This one is for the sellers.  It is always worrying, both for you and your feedback reputation, sending a parcel to an unconfirmed address.  If you are sending within the UK, go to the Royal Mail's website - www(dot)royalmail(dot)com.  Click on Postcode checker / address finder.  Sign up for free, and you can use this tool to enter the post code and verify the address.  No more worries!

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