Royal Mail UNG and UNH Codes


We've been notified by Royal Mail they are moving Letters and Large Letters over to barcoded services later this year and are retiring the VAT Exempt BPL and BPR services, replacing them with VAT Exempt services UNG and UNH

However UNG and UNH arent present yet in Linnworks Royal Mail Integration, please can these be added?

Sub groups of these are:

*Letter & Large Letter formats

*Signed For


2 people like this idea

Hi Mark,

We have contacted Royal Mail for clarification regarding these services, we will get back to you once we get a confirmation of any changes.


Chris Lee

Thanks very much

We have also been informed of this and the new service codes come with a saving of 2p per item

The integration of UNA and UNB ones would be useful to us as at present we would have to count the letters up and manually enter the amount into OBA at the end of day.

We're also waiting for this, raised a ticket about 4 months ago and got this as a reply:


We have raised this issue with Royal Mail and they confirmed that these services cannot be added to Linnworks because these are classed as letter services. The BPL / BPR services are the letter services that are available in Linnworks.

The only workaround is to add PPI image to an invoice, but then these orders won't appear in Royal Mail manifest. You will need to upload these orders manually to Royal Mail."

Considering STL and BPL ARE in linnworks and UNA/UNB are replacing them, the explanation of why they wont do it doesn't stack up.  90% of our products either fit in a letter or large letter and i'm fed up with counting post like it's 1990 :) 

Linnworks are still burying their heads in the sand about this... i've contacted Royal Mail in the hope they can convince Linnworks to update their systems and not loose functionality. 

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