Round Tower (Portsmouth)
The site was originally occupied by a wooden tower before being replaced by a stone one.
The wooden tower
The wooden tower was built between 1418 and 1426 on the orders of King Henry V. In 1422 a defensive chain that could be raised in an emergency was built from the round tower across the harbour entrance.
The stone tower
In the 1490s the tower was rebuilt in stone. In the 1680s a line of ramparts was added that connected the tower to the square tower. The upper section was later rebuilt during the Napoleonic wars. Between 1847 and 1850 the roof of the tower was modified to serve as a gun platform. Portsmouth city council purchased the tower in 1958.
- Pettifer, Adrian (2000). English Castles: A Guide by Counties. Boydell & Brewer. p. 89. ISBN 0-85115-782-3.
- "Name: THE ROUND TOWER List entry Number: 1386901". Historic England. Retrieved 29 April 2015.
- "History of Portsmouth". Portsmouth City Council. Retrieved 9 October 2009.
- Head of cultural services (3 June 2005). "Round Tower, Bronze Plaque" (PDF). Portsmouth City Council. Retrieved 9 October 2009.
- Brown, Paul (2005). Maritime Portsmouth A History and Guide. Tempus Publishing Ltd. pp. 81–82. ISBN 0-7524-3537-X.
- Pevsner, Nikolaus; LLoyd, David (1967). The Buildings of England Hampshire and the Isle of Wight. Penguin Books. p. 422. ISBN 0140710329.
- Gates, William G (1987). Peak, Nigel, ed. The Portsmouth that has Passed: With a Glimpse of Gosport. Milestone Publications. p. 16. ISBN 1-85265-111-3.
- Round Tower - Portsmouth City Council
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