Pillbox and anti-tank pimple to west of Knoll Beach car park

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Overview

Pillbox of variant form and a single anti-tank pimple to the west of Knoll Beach car park. Erected in c.1940 as components of the anti-invasion coastal defences of Studland Bay.
Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1411821
Date first listed:
30-Nov-2012
List Entry Name:
Pillbox and anti-tank pimple to west of Knoll Beach car park
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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1411821
Date first listed:
30-Nov-2012
List Entry Name:
Pillbox and anti-tank pimple to west of Knoll Beach car park
Location Description:
Pillbox at NGR SZ 03255 83589 and anti-tank pimple at NGR SZ 03246 83524, to the west of Knoll Beach car park, Studland, Dorset

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

Location

The building or site itself may lie within the boundary of more than one authority.

District:
Dorset (Unitary Authority)
Parish:
Studland
National Grid Reference:
SZ0324683519

Summary

Pillbox of variant form and a single anti-tank pimple to the west of Knoll Beach car park. Erected in c.1940 as components of the anti-invasion coastal defences of Studland Bay.

Reasons for Designation

The pillbox and anti-tank cube west of Knoll Beach car park are designated at Grade II for the following principal reasons:
* Historic interest: as part of the Second World War military program of coastal defences, the pillbox and anti-tank block provide a visual reminder of the impact of world events on the area;
* Group value: they form an integral part of a significant group of listed Second World War anti-invasion defences which could have been one of the front lines in the event of a German invasion.

History

Studland Bay was one of the two stretches of Dorset coastline where a German invasion was considered most likely. In 1940, the defence of the Dorset coast was the responsibility of V Corps whose 50th Division had its headquarters at Blandford Forum. Anti-tank islands were established in towns in the area and a number of stop lines were also constructed. Anti-invasion defences were constructed along Studland Bay in response to the threat of a German invasion. Forward defended localities were established along the line of the beach at Studland and a number of pillboxes and other defensive structures were constructed. Anti-tank cubes blocked possible exits from the beach at three locations and minefields were also situated amongst the sand dunes. Most of these defences were in place by early August 1940. In October 1940, the infantry battalion in the Studland Sub-Sector (Studland Defence Area) was the 7th Bn. Suffolk Regiment. By April 1941, it had been replaced by the 1st Bn. Coldstream Guards. The Dorset Home Guard unit also manning defences at Studland was No.2 (East Purbeck) Company, 7th (Wareham) Battalion was manned by No.2 (East Purbeck) Company, 7th (Wareham) Battalion of the Home Guard.

From the autumn of 1943, Studland Bay became an amphibious assault training area as part of the preparations for D-Day on 6 June 1944, one of the most significant dates in modern history, defining the start of the final phase of World War II in Europe. Six weeks prior to D-Day, Allied troops gathered in Studland Bay to undertake three full-scale training exercises to prepare themselves for the amphibious landings that were to take place on the beaches of Normandy. The rehearsal, codenamed Exercise Smash 1, was the largest live ammunition practice of the whole war period; battle training was also carried out using the anti-invasion pillboxes erected within the Defence Area. The bay was also the scene of a major experiment to test the effectiveness of burning oil as a defence against a German seaborne invasion, known as Project Fougasse, it involved piping oil to the sea and firing it by explosive charges.

On the western edge of Knoll Beach car park is a pillbox which overlooks the beach and a single anti-tank pimple which is the sole survivor of a line of anti-tank defences.

Details

MATERIAL: reinforced, shuttered concrete.

DESCRIPTION: the pillbox is constructed of concrete using vertical wooden shuttering and is an irregular hexagon on plan. It stands on a large concrete plinth. There are embrasures to the east, north-east and south-east sides and an entrance to the west side; all have been sealed with concrete to prevent access. The anti-tank pimple to the south-west survives from a line of defensive blocks that were erected across the trackway. It has a pyramidal top and retains some of its original camouflage paint.

Sources

Websites
Defence Areas: a national study of Second World War anti-invasion landscapes in England, accessed from http://ads.ahds.ac.uk/catalogue//adsdata/arch-455-1/dissemination/pdf/Text_Reports/DA06_TEXT_-_STUDLAND_BAY.pdf
Defence of Britain Archive, accessed from http://archaeologydataservice.ac.uk/archives/view/dob/?CFID=5268065&CFTOKEN=49643387

Legal

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.

Ordnance survey map of Pillbox and anti-tank pimple to west of Knoll Beach car park

Map

This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 10-Jun-2026 at 18:22:08.

Download a full scale map (PDF)
© Crown copyright [and database rights] 2026. OS AC0000815036. Use of this mapping is subject to Terms and Conditions.

End of official list entry

All text content is available under the Open Government Licence v3.0 , except where otherwise stated. Any supplied maps are © Crown Copyright [and database rights] 2026 OS AC0000815036 and may not be reproduced without permission.

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