| 1863 |
June: Building commenced |
| 1868 |
December: Trials to determine ammunition supply for coast defence batteries conducted at Fort Gilkicker with 2 x 9-inch RMLs |
| 1868 |
Trials on lighting of magazines carried out at the fort |
| 1867-1868 |
Cunningham's trials of new traversing equipment and shell carrier |
| 1870 |
Roof gun positions commenced |
| 1871 |
Building completed |
| 1871 |
Fort partially armed |
| 1871 |
Gilkicker used for militia training. |
| 1872 |
5th. Battery 7th. Brigade R.A. stationed in Gilkicker.
Eight of the guns reported as being unable to clear the Isle of Wight. |
| 1874 |
No.3 Battery 21st Brigade Royal Artillery. |
| 1879 |
Submarine mining experiments carried out. |
| 1879 |
Naval warfare exercise at Stokes Bay with Forts Gilkicker with Monckton. |
| 1880 |
Day-time Naval warfare exercise at Stokes Bay using Gilkicker and Monckton. |
| 1881 |
4th. Battery 7th. Brigade R.A. moved in 1880. Left 1881. |
| 1881 |
14th. Battery 11th. Brigade R.A. (A.L.) moved in 1881. Left 1882. |
| 1884 |
10 gun shields and 8 shield frames installed. |
| 1885 |
Two 12-inch RMLs installed. |
| 1885 |
No.5 then No.6 Battery Hampshire Artillery Militia training in Gilkicker. |
| 1886 |
2 x 12-inch RML gun installed in the roof positions . |
| 1887 |
10th. Battery Cinque Ports Division moved in. Left 1888. |
| 1888 |
Some casemates filled to act as traverses.
Casemate guns reorganised into smaller gun groups. |
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Ditch partially filled to level of magazines. |
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Roof positions strengthened. |
| 1890 |
Modifications to the magazines completed. |
| 1891 |
Attrnetionm drawn to the unsatisfactory position of two of the roof guns. |
| 1891-92 |
Two roof guns removed to Southsea Castle and positions converted to observation positions. |
| 1892 |
9th June: 1st Hants Volunteer (Southampton) Artillery at Fort Gilkicker for
Practice. |
| 1892 |
Hydrophone experiments at Stokes Bay and Gilkicker. |
| 1893 |
August 17: 220 Gordon Boys camped at the fort for two weeks. |
| 1895 |
Used for training the militia . |
| 1898 |
Montgomery Reports on proposals for new armament of BL guns. |
| 1902 |
Reconstruction for BL guns commenced. |
| 1904 |
Earth bank added circa. |
| 1904 to 1906 |
Crossley generators and Defence Electric Lights fitted. |
| 1904 |
Recommendation by the Owen Committee to disarm Gilkicker. |
| 1905 |
Reorganisation of R.E. - Stokes Bay used by the School of Electric Lighting (Searchlights). |
| 1905 |
Fortress Defence Scheme- Gilkicker to be manned by Northumberland R.G.A. Militia in time of attack. |
| 1906 |
Reconstruction of Gilkicker completed.
Barrack block converted to married quarters for Royal Artillery and Engineer families. |
| 1907 |
B.L. Guns dismounted. |
| 1911 |
No.42 Company Royal Engineers at Gilkicker and Monckton. |
| 1915 |
Detachment of 3rd Battalion Royal Hampshire regiment at Fort Gilkicker. |
| 1917 |
Gilkicker armed with 3-inch AA gun. |
| 1939-45 |
Mobile searchlight and Bofors 40mm AA installed during WWII. |
| 1939 |
Trinity House observation post at Gilkicker after 1939 |
| 1944 |
Gilkicker used as communications centre for D-Day landings |
| 1945 |
R.E. Families occupying barrack quarters.
Italian P.O.W.s working in and around the fort. |
| 1953 |
28-29 March: Naval exercise 'Coast Artillery' firing small callibre guns from Fort Gilkicker, also searchlights. |
| 1956 |
Coast Defence abolished and Gilkicker stood down. |
| 1956 |
Royal Engineer families moved out of married quarters. |
| 1956 |
Fort used by Department of Environment. |
| 1959 |
Access to the beach at Gilkicker closed by Gosport Borough Council. |
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Gilkicker maintained by personel from Fort Brockhurst. |
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Fort used as a storage facility by H.M.S Dolphin for submarine spares. |
| 1986 |
Fort released by the Crown, purchased by Hampshire County Council . |
| 1987 |
Clearance by H.C.C. work began. |
| 1987-1999 |
Fort used as a building materials store by H.C.C. |
| 1995 |
Hampshire County Council proposals to restore the fort. |
| 1999 |
Phoenix Trust proposals to convert the fort. |
| 2000 |
Planning permission finally approved. |
| 2001 |
Phoenix Trust withdraws the scheme November. |
| 2002 |
February: Hampshire County Council issues a press statement to generate interest in the future of the fort. |
| 2006 |
October: Try Homes withdraws from the proposal to convert the fort to 17 Luxury homes and a small museum. |
| 2006 |
October: Planning permission expired October. |
| 2006 |
Marketing commenced on Friday 26 January with a tender closing date of 11 May. |
| 2007 |
July: H.C.C. announces its intention to sell the leasehold of the fort to a new developer. |
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Askett Hawk Developments are chosen to undertake the task of converting the fort for modern housing. |
| 2007 |
November: Askett Hawk Developments outline their proposals for the development of the fort into apartments. |
| 2009 |
August 11th: Gosport Borough Council Regulatory Board approve Askett Hawk Developments' proposals for the restoration and conversion of Fort Gilkicker. |
| 2010 |
March: Secretary of State's Inquiry into the proposals commenced. |
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