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I'm trying to find some elevation data - either LiDAR, elevation or DTM - for the UK, specifically in Cheshire. I am a University student, so have access to gov data and other databases. I currently have the OS Terrain 5 which has a resolution of 5m. Ideally I need 1-2m or less. However, I can't find this.

Any ideas of whether this data is out there?

UPDATE: I have tried the government portal, however, my site is currently part of the country that has yet to be mapped. This is the government coverage for the area I am looking for (Brown layer). The green polygon is the area I need data for.

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https://data.gov.uk/dataset/f0db0249-f17b-4036-9e65-309148c97ce4/national-lidar-programme

National lidar survey should fit the bill for you

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  • Government data has missing gaps for my area. See update.
    – Melanie Baker
    Commented Jun 27, 2022 at 9:05
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Let me preface this answer by saying that I'm more familiar with how things are mapped in Wales than in England.

However, DEFRA has a lidar composite dataset available at 1m resolution for 2022. It appears to have complete coverage in Cheshire. You can see this by loading a preview of the DTM in QGIS using the Web Mapping Service (WMS):

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If the data is not available at 1m resolution, you might try lowering the resolution:

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