|Part of Flintshire|
The remains of the outer bailey's gateway with the 13th century donjon in the background.
|Type||Rectangular enclosure castle with isolated corner donjon|
|Controlled by||The Crown|
Later work attributed to James of Saint George
|In use||Open to public|
Millstone Grit |
Welsh Wars |
English Civil War
The site was chosen for its strategic position in North East Wales. The castle was only one day's march from Chester, supplies could be brought along the River Dee and there was by a ford across to England that could be used at low tide.
Building work began in 1277 initially under Richard L'Engenour, who would later become Mayor of Chester in 1304. The castle and its earthworks were built by 1,800 laborers and masons using local Millstone Grit ashlar and sandstone. James of Saint George was assigned "ad ordiandum opera castorum ibidem"("Mason charged with the design, technical direction and management of the works underway in Wales" - including Flint) in April 1278. November 1280 saw the Savoyard master mason James of Saint George began directly overseeing construction at Flint for Edward I as the initially very slow construction pace was accelerated. He remained at the castle for 17 months. James of Saint George then moved onto Rhuddlan to oversee its completion.
When work ceased in 1286, Flint Castle had an inner ward and an outer bailey. They were separated by a tidal moat and were connected with gatehouse and drawbridge. A plantation town was also laid out beyond the outer bailey. The inner ward had three large towers and a detached keep. This isolated tower protected the inner gatehouse and outer bailey. In total expenditure, Edward I spent £6068.7.5d. creating the fortress and the town (£4.9 million as of 2008).[nb 1]
Flint, which was sited on the western shore of the River Dee estuary, could be supplied by river or sea. Its harbour was protected by a defensive wall. The castle lies opposite to the English shore and Shotwick Castle in England. Before the river's course was drastically changed in the 18th century, passage across the estuary at this point could be made directly by boat at high tide or by fording at low tide.
Unique fortress design
The castle is based on Savoyard models where one of the corner towers is enlarged and isolated. This independent structure served as both corner tower and keep or donjon, like at Dourdan, France. Flint's keep has been compared to the donjon at Aigues-Mortes, France. Edward I may have been familiar with Aigues-Mortes having passed through the fortress on the way to join the Eighth Crusade in 1270. An alternative possibility is the influence of Jean Mésot on James of Saint George, Mésot having worked in Southern France before influencing Saint George in Savoy. The castle at Flint has also been described as a "classic Carrė Savoyard" as it is very similar to Yverdon Castle. Its ground dimensions are a third bigger but it shares the classic shape and style, along with the use of a corner tower as keep (donjon). Most historians attribute this to input from Edward's premier architect and castle builder James of Saint George Although construction began in 1277 and James of Saint George didn't begin work at Flint, Flintshire until 1280, he was in England from 1278 and was described as "ad ordinandum opera castorum ibidem" that is charged with the design of the works at Flint, Flintshire 
The keep is an impressive structure. Its stone walls are 7 metres (23 ft) thick at the base and 5 metres (16 ft) above. Access was gained by crossing a drawbridge into a central entrance chamber on the first floor. Originally there would have been at least one additional storey. These floors had small rooms built into the thick walls. A timber gallery was built on top of the keep for the visit of Edward, Prince of Wales in 1301. On the ground floor is a vaulted passage that runs all the way around the inside of the keep.
Flint's design was not repeated in any other castle built by Edward I in North Wales. The layout at Flint remains unique within the British Isles.
Flint was the first castle of what would later become known as Edward I's "Iron Ring". A chain of fortresses designed to encircle North Wales and oppress the Welsh. Its construction began almost immediately after Edward I began the First Welsh War in 1277.
Five years later Welsh forces under the command of Dafydd ap Gruffydd, brother of Llywelyn ap Gruffudd, besieged the castle in an attempted uprising against the English Crown. In 1294 Flint was attacked again during the revolt of Madog ap Llywelyn; this time the constable of the castle was forced to set fire to the fortress to prevent its capture by the Welsh. The castle was later repaired and partly rebuilt.
With the conclusion to the Welsh Wars, English settlers and merchants were given property titles in the new town that was laid out in front of the castle. The plantation borough was protected by a defensive ditch with a wooden palisade on earth banking . Its outline remains visible in streets patterns.
During the English Civil War, Flint Castle was held by the Royalists. It was finally captured by the Parliamentarians in 1647 after a three-month siege. To prevent its reuse in the conflict, the castle was then slighted in accordance with Cromwell's destruction order. The ruins are what remain today.
By the 19th century part of the site's outer bailey was used as Flintshire's County Jail. A quarry also operated nearby.
Flint Castle, which has been managed as public monument for 90 years, is now maintained by Cadw, a Welsh-government body that protects, conserves and promotes the building heritage of Wales. Access is free and via a path. Most parts of the castle, such as the isolated keep, are open to the public.
In mid August 2009, the agency temporarily closed Flint Castle to the public because of problems with anti-social behaviour. Cadw said youths were drinking on the site and vandalising the castle.
From 1284 to 1935 the Constable of Flint Castle served ex officio as the Mayor of Flint. The constable's residence was, prior to its destruction, in the donjon tower.
List of Constables
- ?–1281: Gerard de St Laurence 
- 1282: William de Perton 
- 1284–: Reginald de Grey (1st Mayor of Flint)
- c.1288: William de la Leye 
- 1290–1295: Reginald de Grey 
- 1294: Sir Edward de Laye 
- 1300–:William de Mascy
- 1306: William Broun
- ?–1307: William de Ormesby 
- 1307–1309: Robert de Holland 
- 1309–1311: Payn Tybotot 
- 1311–1312: Robert de Holland 
- 1322–?: Oliver de Ingham 
- 1328–?: Oliver de Ingham 
- ?–1341: Henry de Ferrers 
- 1341–:William de Beauchamp and Hugh de Berewyk 
- 1349: Rhys ap Robert - (jointly)
- c.1351–c.1357: Ithel ap Cyfrig Sais 
- C.1364: David de Backarn 
- 1373–1383: Ralph de Davenport
- c.1385: Roger Coughill 
- 1390–1396: John Golafre 
- 1396–: Nicholas Hauberk 
- 1399–1403: Henry Hotspur Percy
- c.1404–1407: Nicholas Hauberk
- 1407–1416: Roger Leche 
- 1417–1458: Sir Thomas Rempston 
- 1572: Lancelot Bostock 
- ?–1664: Thomas Edwards
- 1664–?: Ralph Whitley
- 1687–1689: Sir John Trevor and William Eyton  - (jointly)
- 1689–1696: Thomas Whitley 
- 1702–1705: Sir Roger Mostyn, 3rd Baronet 
- 1705–?1715: Sir John Trevor  (died 1717)
- 1715–1718: Sir Roger Mostyn, 3rd Baronet 
- c.1734–1750: Sir George Wynne 
- 1750–?: Other Windsor, 4th Earl of Plymouth (died 1771)
- 1775–?1798: Owen Salusbury Brereton (died 1798)
- 1799–1808: Watkin Williams 
- 1910–1933: John Herbert Lewis 
- 1934–1935: Henry Gladstone, 1st Baron Gladstone of Hawarden
- 1935–1967: Albert Gladstone
- Comparing relative average earnings of £6,068 in 1307 with 2008.
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- "Flint archaeological dig uncovers further samples of the town's medieval defences". Daily Post. 6 Nov 2015.
- "Historic Flint Castle defences found under block of flats". BBC. 7 Jun 2015.
- "Flint archaeological dig unearths 800 year old town defences". Daily Post. 29 May 2015.
- "Castle shut after vandal attacks". BBC. 27 Aug 2009.
- Hull, Liz (27 Aug 2009). "The castle that survived 700 years now conquered by the yobs of Broken Britain". Daily Mail.
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- Plantagenet Ancestry: A Study In Colonial And Medieval Families. p. 301.
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- "REMPSTON, Sir Thomas II (d.1458), of Rempstone and Bingham, Notts". History of Parliament Online. Retrieved 17 May 2016.
- "BOSTOCK, Lancelot (bef.1533-c.88), of Flints. and London". History of Parliament Online. Retrieved 16 May 2016.
- "TREVOR, Sir John (c.1637-1717), of Clement's Lane, Westminster, Mdx. and Brynkinallt, Denb". History of Parliament Online. Retrieved 16 May 2016.
- "WHITLEY, Thomas (c.1651-96), of Chester, Cheshire and Aston, Flints". History of Parliament Online. Retrieved 16 May 2016.
- "MOSTYN, Sir Roger, 3rd Bt. (1673-1739), of Mostyn, Flints". History of Parliament Online. Retrieved 16 May 2016.
- "WYNNE, Sir George (1700-56), of Leeswood Hall, Flints". History of Parliament Online. Retrieved 16 May 2016.
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- "No. 34020". The London Gazette. 2 February 1934. p. 749.
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