Not too many of these seen here.
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Thick-lippeds dont always have dark bands but are much smaller (to 12mm rather than to 30mm).But good to see both sides of the shell,as the outer lip of aperture of thick-lipped is coarsely toothed, & that of the netted finely-toothed, according to Collins'.In your case the outer lip is thin, & so (like some I have at home) you can only see the teeth at the right angle.
Lat/Lng: 51.3839, 1.3217
OS grid ref: TR312702