English term (edited): property valuation on a desktop basis

Desktop
1.18 The remaining properties have been valued on a desktop basis, i.e. without re-inspection. These properties, excluding a number of new leasehold properties, have previously been inspected by Knight Frank, most recently as part of the 2014 Valuation. As required under VPS2 of the Red Book, we have therefore valued these on the assumption that they remain in the same condition as at the previous inspection and that there have been no material physical changes to the properties or to the nature of the surrounding areas since the date of the last inspection.
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https://www.caretech-uk.com/~/media/Files/C/Caretech-UK/docu...

Here the "desktop valuation" is done from the "internal information" already held by the valuer, NOTHING "online" to see there ... (and it's a real "valuation" - for accounting purposes)

The "instruction manual / case study" for a "desktop evaluation":

isurvinfo.com

The importance of a desktop evaluation
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https://www.rics.org/globalassets/rics-website/media/product...

A pretty long "check-list" of information to gather, the point being to find all and any available information that do no require a site visit.

This is not quite the same as a very approximate quick-fix "online valuation" that you can get from property websites advertising on behalf of estate agents - giving you a "valuation" that is for all practical purposes no more than a "novelty item", that no sane lender would take seriously.

see also

https://www.housing.org.uk/globalassets/files/resource-files...