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Latitude: 50.4063 / 50°24'22"N
Longitude: -4.1165 / 4°6'59"W
OS Eastings: 249697.676498
OS Northings: 58412.536868
OS Grid: SX496584
Mapcode National: GBR RGK.31
Mapcode Global: FRA 278Z.83T
Entry Name: Bowden Battery
Scheduled Date: 27 February 1973
Last Amended: 3 September 2004
Source: Historic England
Source ID: 1021365
English Heritage Legacy ID: 36101
Electoral Ward/Division: Eggbuckland
Built-Up Area: Plymouth
Traditional County: Devon
Lieutenancy Area (Ceremonial County): Devon
The monument includes Bowden Battery, a mid- to late 19th century fortified
gun battery and associated glacis located on the south side of the Forder
Valley. The four-sided battery occupies the high ground above the valley with
the glacis located immediately to the north east and north west from where it
extends down slope to the valley bottom.
Fears of a French invasion in the middle years of the 19th century led to the
formation of a Royal Commission in 1859 to consider the defences of Britain.
The Royal Commission's recommendations for Plymouth resulted in the
completion by 1872 of six new coastal batteries and a ring of eighteen land
forts and batteries. These were based on three principal forts which are
located at Staddon and Crownhill on the Devon side of Plymouth harbour, and
at Tregantle on the Cornish side. The land forts and batteries were linked by
a system of military roads protected from the likely direction of attack by
earth traverses and cuttings.
Bowden Battery formed part of the north east defences and its construction
was completed after 1868. It was connected to Crownhill Fort, Forder Battery
and Eggbuckland Keep by an embanked military road and it was intended to
cover the Forder valley, the north face of Forder Battery and the rear of
Crownhill Fort. The battery was protected on the north, east and west sides
by its naturally steep position enhanced by earthen ramparts with an internal
revetment wall and external ditch. These survive intact on the east and north
east faces. The rear facing, Plymouth, side was protected by a wall with an
internal fire-step, a series of musketry loops and an external gorge ditch.
Bowden Battery was originally designed for 12 guns in open battery and a
battery of three mortars. However, by 1893, only 6 guns were mounted on the
ramparts, and two in the guardroom. Only two of the planned mortar batteries
were installed, both of which remained unarmed.
The main gate into the battery is located in the defended gorge wall and this
still retains its drawbridge pulleys and chains. The guardroom is located in
the wall immediately east of the main gate to which it is attached. It has
two levels, with four embrasures covering the gorge and a protective parapet
at roof level. The lower level lies below ground and contains two embrasures,
two small musketry caponiers (galleries projecting into the ditch), an
ammunition lift and magazine to the rear. The upper level is of the same plan
but has no magazine.
Other surviving structures within the defended area include four rectangular
block-built magazine stores which are built on two levels with doors into the
upper and the lower levels. Two of these structures retain their original
earth covering. Three concrete 64-pounder RML (rifled muzzle-loading) gun
emplacements dating from the 1880s complete with pivots and racer rails
survive on the north east face close to the rampart bank. Each of the
emplacements has an adjacent magazine store recessed into the revetment wall.
An infilled 7-inch RBL (rifled and breech-loading, which was, at the time of
the battery's construction, a revolutionary design of gun) emplacement is
visible. Of the two mortar batteries, only one remains intact and is located
on the north east salient. The second, located in the north west angle of the
battery has been infilled and is no longer visible. The two musketry
galleries, located in the ditch to the front of the north face, appear to be
intact although partially buried, and the eastern gallery may have been
disturbed by a modern structure. The access tunnels to the galleries are
located within the interior of the battery. The entrance into the eastern one
is blocked; the other, located to the west, has limited access and is about
1.5m below ground level.
Also included in the scheduling is the glacis, an open and originally cleared
area of ground which extends down to the valley bottom to the north, to the
garden boundary to the north west, and to the road on the east side. The
glacis was intentionally created to provide an unhindered view of the
approaches to the battery. Three boundary marker stones inscribed with `WD'
(War Department) mark the northern boundary of the glacis and the extent of
the land which fell within military ownership. A fourth stone is located on
the west side of the glacis. The four stones are 0.3m square in plan and are
now partially buried with only a maximum 0.4m visible above ground. Two are
clearly marked with the letters `WD' separated by an arrow symbol and one has
a visible, but weathered, date inscription, which reads `1875' or possibly
A number of features are excluded from the scheduling: these are all modern
structures and fittings associated with the garden centre operations such as
the WC building, sheds, huts, stone edging walls, fencing and fence posts,
trellising, all modern surfaces and hard standing; all other modern surfacing
and hard standing, specifically the car park surfacing which covers the gorge
wall, fencing, sheds, telegraph poles and electricity pylons. The ground
beneath all of these features is, however, included.
Specifically not included in the scheduling is the interior of the fort which
formed the parade ground.
The site of the monument is shown on the attached map extract.
Source: Historic England
The Royal Commission fortifications are a group of related sites established
in response to the 1859 Royal Commission report on the defence of the United
Kingdom. This had been set up following an invasion scare caused by the
strengthening of the French Navy.
These fortifications represented the largest maritime defence programme since
the initiative of Henry VIII in 1539-40. The programme built upon the
defensive works already begun at Plymouth and elsewhere and recommended the
improvement of existing fortifications as well as the construction of new
There were eventually some 70 forts and batteries in England which were due
wholly or in part to the Royal Commission. These constitute a well defined
group with common design characteristics, armament and defensive provisions.
Whether reused or not during the 20th century, they are the most visible core
of Britain's coastal defence systems and are known colloquially as
`Palmerston's follies'. All examples are considered of national importance.
Bowden Battery survives as a near-complete example of a gun battery of Royal
Commission date which retains many of its original components such as the
guard room and fortified rear wall, two musketry galleries covering the ditch
and their access tunnels, all four expense magazines, four gun and one mortar
emplacement, all of which are well preserved. The artificially created glacis
remains remarkably well preserved and is a rare example where the
inter-relationship between the glacis and the battery can be clearly
appreciated. Bowden Battery serves as an accessible, visual reminder of
Victorian military power and thinking which led to the construction of a
massive defensive system around the city of Plymouth in order to protect the
dockyard against the threat of invasion.
Source: Historic England
Books and journals
Pye, A, Woodward, F, The Historic Defences of Plymouth, (1996), 179-80
Source: Historic England
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