Browndown Battery, also referred to erroneously in some sources as Browndown Fort, is a coastal defence battery in Hampshire, England. First erected in the mid-1840s, the battery was continuously modified until disarmed in 1905/6. It has been a Grade II Listed Building since 1983.
The first Browndown Batteries
The first batteries at Browndown were erected on the shore at Browndown Point to the west end of Stokes Bay at Gosport to defend the western approach to Portsmouth harbour and to prevent an enemy landing on the beach. These batteries were known as Browndown Battery East and Browndown Battery West. They were complete by 1852 but were heavily criticised by James Fergusson (who was later to become the Treasury Representative on the 1860 Royal Commission into the defences of the United Kingdom) in his papers The Peril of Portsmouth and Portsmouth Protected. According to an armament list of 1860 Browndown Battery East had positions for three 68pr of 112 cwt. and seven 8-inch smooth bore guns of 65 cwt. whilst Browndown Battery West had positions for three 68pr. and eight 8-inch smooth bore guns. Ordnance Survey maps indicate the eastern battery had fallen in disuse by 1870 whilst the western one was retained until it was replaced by a new battery as part of the western defences of Portsmouth Harbour.
The new Browndown Battery
In 1890 The Defence Committee reviewed a proposal to remove or remodel the two old Browndown Batteries in Stokes Bay, and recommended that the Eastern Battery, being superseded by the work at the western extremity of the Stokes Bay Lines, and interfering with the fire of that work, should be removed; that the western battery should be retained, as it is of value to flank the beach, but that its present armament may be removed. 
Although the completion of the Stokes Bay Lines in 1860 had rendered the Browndown Batteries obsolete, there was a need for a battery to protect the deep water anchorage off Browndown Point and the new Browndown Battery was constructed for two 12.5-inch R.M.L. guns on the site of the old Browndown battery West, paid for under the Imperial Defence Loan of 1888 at a cost of £4,237. Building commenced in October 1888 and was completed in August 1889. The rear wall (or gorge) of the old battery was retained and two sea facing concrete emplacements were constructed for the new 12.5-inch R.M.L. guns on C pivot dwarf traversing platforms. The magazines for shells and cartridges were placed between the two emplacements. A side arm and artillery store was built to the right of the battery.
The last Browndown Battery
In 1890 it was proposed to update the armament of the Stokes Bay defences by adding two 6-inch and two 9.2-inch B.L. guns at either end of the Bay. These guns formed the standard coast defence artillery of this period and always operated in pairs of complimentary guns to counter armoured and unarmoured ships (blockers). Fort Gilkicker was remodeled for two 6 inch and two 9.2-inch B.L. guns at the east end of the bay whilst Stokes Bay Lines No.2 Battery was remodeled to hold the western two 6-inch B.L. guns. Its complimentary guns, two 9.2-inch B.L. guns were to be fitted to Browndown Battery. The new battery had the usual shell and cartridge store between the two gun emplacements which were extended and enlarged from the old R.M.L.magazines. To the west of the magazines a cookhouse was added. Two crew shelters were also added in the extension. A Battery Command Post and telephone room were constructed above the Artillery Store at the west end. This communicated with the Battery Command post on No.2 Battery of the Stokes Bay Lines and with those at Fort Gilkicker.
The new battery received its armament of two 9.2-inch B.L. Mark 10 guns on Barbette 5 mountings by 1904  but was declared superfluous by the Owen Committee in 1905. The guns mounted at Browndown and Gilkicker only cover an area accessible to vessels which have forced the outer defences, to do which such vessels would certainly have to be prepared to suffer the damage which the naval opinion, already quoted, considers sufficient to deter the attempt. The Committee, therefore consider these works as superfluous and the modern conditions laid down for their guidance. This was the death knell for the battery. It was disarmed in 1906 
The battery was retained by the army as part of the Browndown Training facility and Browndown Ranges. It saw a brief new lease of life when a lookout post was constructed on top of the east gun position as part of the training area used by the combined services hovercraft unit. According to the military authorities Browndown Battery is a listed building and because of its location inside a military training area, it is in excellent condition. though modified and strengthened many times during its history much of the original building is still identifiable.
The camp has been used by the Royal Marines Small Arms Corps (1922–1959), South East District as a Minor Training Facility in 1961 and 121 Weekend Training Centre up to the mid-1970s. The current predominant use now for Browndown Camp is by ACF, CCF, ATC & Territorial Army units for Adult training and Cadet courses. It was also transformed into a 1950's National Service camp for the 2002 ITV reality show Lad's Army.
Facilities at the Camp included accommodation for Soldiers, NCOs and Officers, a cook house for Soldiers, indoor lecture room/ cinema, Sgts mess, Officers mess, various other buildings within the camp perimeter. Outside the perimeter an Assault Course and a 25 Metre Range, the beach is used for training, and is ideal for beach landing practice due to the location to Marchwood, the old Fort proved useful for defence exercise but not up to any decent OBUA type exercise.
Notes and references
- The Peril of Portsmouth published 1852 and Portsmouth Protected published 1853 by James Fergusson
- National Archive: Armament Return dated 1860 held in WO33
- O.S. Map dated 1870
- National Archive: Portsmouth 5 3165 Defence Committee report dated February 1870
- National Archive: List of Approved Armaments 1886 held in WO33
- Precis of Correspondence relating to the Defences of Portsmouth and the Isle of Wight prior to January 1893
- National Archive: Plan of Browndown Battery held in WO78/5026
- The Stokes Bay Defences: Solent Papers No.8 by David Moore ISBN 0-9548453-1-5
- Fortification Its Past Achievements, Recent Developments, and Future Progress: Sir George Sydenham Clarke 1907
- National Archive: Plan of Browndown Battery held in WO78/3808.
- Report of Committee on Armaments of Home Ports 1905 Col. J.F. Owen.
- National Archive: List of Approved Armaments April 1906 held in WO33
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