I'm not too sure about this ID, any help would be appreciated
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Not unlike a Mottled Grey but the prominent dark veining is a feature of your suggested species and not MG. ETS tends to have the pair of dark central crossbands with a pale band between while MG typically has a virtually solid crossband showing 2 small pale areas towards the outer extremity of the forewing.
Seeing plenty of the actual moths helps a lot in becoming familiar with their subtle differences.
Thank you for your advice
Lat/Lng: 54.2, -2.0
OS grid ref: SE0188