[Talk-GB] Completeness of cadastral parcel data

Ken Kilfedder spiregrain_osm at ksglp.org.uk
Wed Mar 3 15:18:56 UTC 2021


As well as the accuracy question, is anyone else finding the data is incomplete?   I find the tiles are blank for large areas of the Isle of Dogs, Greenwich, Poplar and some spots elsewhere.  Are there other bald patches?

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https://hdyc.neis-one.org/?spiregrain
spiregrain_osm at ksglp.org.uk

On Wed, 3 Mar 2021, at 2:41 PM, Russ Garrett wrote:
> On Wed, 3 Mar 2021 at 14:31, Tom Hughes via Talk-GB
> <talk-gb at openstreetmap.org> wrote:
> > The UK does not operate a system of precisely surveyed land
> > registrations like a typical cadastral system.
> >
> > Rather titles are basically just shown by lines scrawled on an OS map
> > in the rough area of the boundary...
> 
> Right, and the INSPIRE data calls it the "indicative extent", but I
> think what these disclaimers ultimately mean is that the boundaries
> are not legally binding. It's not necessarily a statement on the
> accuracy of them in general.
> 
> They are based on the OS mapping data at - I think - a higher
> resolution than anything else which is available. I suspect in many
> cases this will be very accurate - especially if a boundary runs along
> the wall of a building or some other structure which is represented on
> the OS map.
> 
> Cheers,
> 
> Russ
> 
> 
> Cheers,
> 
> --
> Russ Garrett
> russ at garrett.co.uk
> 
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