Hi Andy and all

Just picking up on your comments below Andy, we haven’t yet been asked to add “Area of Archaeological Interest” to the representation type look up table in HBSMR v5 (which I know you’re not using yet, but most others are). Are other Scottish HERs using this term as a matter of course now in addition to, or instead of, “Buffered extent”? Individual HBSMR users can obviously add any terms they wish to the look up tables, but as the Scottish HERs are working to commonly agreed standards it would make sense if any default terms are included in the scripts I use to add Scottish-specific terms when I upgrade people’s systems to version 5.

Note that in HBSMRv5 you can record any number of different representation types (known site extent, area of archaeological interest, etc.) against any given HER record for potential use by different audiences.


Sylvina Tilbury
Heritage IT Consultant


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From: Issues related to Historic Environment Records <[log in to unmask]> On Behalf Of Nicholson, Andrew
Sent: 11 February 2019 16:55
To: [log in to unmask]
Subject: Re: Creating Polygons

Hi Nick,

I know you’re in a different country 😉 but up here the SHED scheme has been looking at polygonization for some time.

We have an understanding that HES record Known Site Extent Polygons (Middleton 2015), but that Local Authorities also need to record areas of known potential, defined as an Area of Archaeological Interest:

“4.1  An Area of Archaeological Interest polygon defines the limits of known upstanding and prospected remains, and the extrapolation of that information to assess the potential fuller extent of a heritage asset. The polygon will be created based primarily on sources and professional judgement. Area of Archaeological Interest polygons should include a buffer and should be plotted against the largest map scale available. The shape of the polygon does not define the limit of the known extent, but rather includes it within the larger polygon.”


The document contains links to other works undertaken on this.



Andrew Nicholson
Dumfries and Galloway Council
Strategic Planning
Kirkbank House, English Street
Dumfries, DG1 2HS
Tel: 01387 260154 (int. 64154)
Mob: 07342 060202
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From: Issues related to Historic Environment Records <[log in to unmask]<mailto:[log in to unmask]>> On Behalf Of Nick Boldrini
Sent: 11 February 2019 16:42
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Creating Polygons

Hi folks

We have started work on polygonising our records, and having had a bit of a play need to come up with some sort of policy/manual so we have consistency. The playing phase has thrown up some things to consider, and previous experience means I am aware of some others.

I am aware of various guidance on this (eg MIDAS etc) , but has anyone actually written a manual on what they polygonise (and as importantly what they don’t) and why they made those distinctions, they would be willing to share so I can benefit from previous experience/pinch all your good ideas?

I have some ideas and it seems there is no perfect solution, there will always be trade offs, but it would be useful to get anyone elses views on this, even if its just via email if you don’t have a formal document


best wishes

Nick Boldrini
Historic Environment Record Officer
Archaeology Section
Heritage, Landscapes and Design Team
Planning Service
Regeneration and Local Services
Durham County Council
County Hall
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