Earthworks & Slit Trenches

A well preserved cement filled sandbag firing position, River Wey Guildford.

A well preserved cement filled sandbag firing position, River Wey Guildford.
Tim Denton 2013

Trench System

A fine example of a surviving trench system used for training as well as anti invasion measures. Near Aldershot, Hants.
Tim Denton 2013

V Trench

A V trench firing position covering the Guildford Rd, Ash.
Tim Denton 2013

Zig Zag Trench

Zig Zag trench system surviving close to an anti tank ditch Near Aldershot, Hants.
Tim Denton 2013


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We welcome new members to the PSG. We currently have over 300 members in six countries. Members receive the journal Loopholes three times a year which details recent finds and sites of particular interest.
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For more details about PSG, membership, Pillboxes or Defence Structure related topics contact our Co-ordinator Roger Thomas


Defence Structures and sites of all types both above and below ground can be very dangerous. Serious injury or even death can arise from unauthorised entry into such sites and structures. Join a responsible club, group or society who can arrange official visits. The Pillbox Study Group accepts no responsibility for any damages or injuries caused by ignoring this advice. The PSG does not encourage members to undertake the ad hoc clearance of vegetation from pillboxes, as it can expose them to physical damage and inappropriate use, it may also contravene a variety of statutory regulations including, listed buildings and SSSI designations. Vegetation clearance should only ever be undertaken as part of a formal arrangement, having sought and obtained permission from the land owner and other necessary authorities. Damaging a listed or scheduled monument can be considered as a Heritage Crime.

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