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Listed Building Data
Of equal, if not more, concern is what site boundary for LB's is actually being digitised? The issue of what constitutes a curtilage for a listed building within which all elements including the site boundary itself would be statutorily protected is open to wide interpretation. This mightc urrently be a case by case debate since usually no "official" site boundary exists but if applicants can in future point to, say, three different "official" boundaries at national, county and district (where decisions are actually taken) level the potential for confusion and acrimonious debate seems obvious. Ok, so the boundaries are only "advisory" but try telling that to the man on the top of the Clapham Omnibus!
-----Original Message-----
From: Wardle, Chris (DSD) <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: 05 February 2001 13:54
Subject: Listed Building Data

The recent discussion regarding listed building digitized data raises the question of data duplication:

We started to digitize the text held in the blue & greenbacks with the addition of more accurate NGRs a number of years ago. We now have this data more or less complete and also (like John Wood) have a GIS layer with the outlines of the listed structures. I been aware for some time that DCMS/EH were digitizing LB data, and they too were plotting them on GIS. Furthermore, some, if not all, of our distict councils are digitizing the LB text, plotting the listed buildings or doing both.

Leaving the issue of copyright on one side (as it could be a minefield!) it occurs to me that for many areas the same work (ie digitizing the LB text and plotting the buildings) is being done at least 3 times over. This really does not make too much sense. Stastistic are not my strong point, but it occurs to me that the likelihood of errors occuring on the databases or the GIS layers are at least 3 times graeater than they would be if one body/group of bodies was doing this work and supplying it to the other bodies. Surely, it is not beyond DCMS, EH and LAs to agree to which level this work should be carried out and have it distributed to all the other parties. 

Chris Wardle




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