Using QGIS to filter some levels on the Ordnance Survey boundaries data

Question

I am working on a full UK map and I need the postcode level 1 and 2 (areas and districts) and while I have gotten the postcode level 1 data, I need the postcode level 2 (postcode districts) data that I was having trouble getting but then I've found this link : https://osdatahub.os.uk/downloads/open/BoundaryLine?_ga=2.128386122.790220339.1648013090-306484485.1648013090

From here I can get the data that I need but the data consists of :

I only need Districts, so is there any way to filter it and get only the data that I need?

Included in the bdline_essh_gb.zip download(538MB) is a lot of data. Please specify exactly what you need. A screenshot of the Attribute Table Column Heading you need would help. — Pointdump
– Pointdump, Commented Mar 23, 2022 at 6:53
@Pointdump I only need postcode districts from it not that a lot of data so I was wondering if there is any way to extract that specific postcode districts data from the whole bdline_essh_gb.zip download(538MB) file — johndoe
– johndoe, Commented Mar 23, 2022 at 8:02
Have you downloaded the 538MB zip? What's in it? Or is your question "How can I avoid downloading 538MB when I only need the data of a fraction of it?"? — Spacedman
– Spacedman, Commented Mar 23, 2022 at 8:22
Also, I don't think these "Districts" are "Postcode Districts", but "Administrative DIstricts". en.wikipedia.org/wiki/Districts_of_England Look elsewhere for postcode districts boundaries. — Spacedman
– Spacedman, Commented Mar 23, 2022 at 8:27

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