Editing Duke of Newcastle (section)

==Principal seats and abodes==
{{Annotated image|image=1764_Gentleman%27s_Magazine_Map_of_London_and_Environs_-_Geographicus_-_London-gentsmag-1764.jpg|image-width=2000|image-left=-120|image-top=-1650|width=150|height=150|float=right|caption=''Gentleman's Magazine:{{Break}}Map of London & Environs'', 1764}}

===England===
[[File:Clumber Park Jones.jpg|thumb|left|[[Clumber Park]]]]
* [[Clumber Park]], also known as Clumber Park Lodge, spanning Clumber and Worksop, Nottinghamshire, from 1709 until 1938, when the house was demolished.
* [[Boyton, Wiltshire|Boyton Manor]], Wiltshire, bought in the 1950s and sold about 1980.
* Newcastle House, [[Lincoln's Inn Fields]], London, briefly in the 18th century.<ref>'London', in A Topographical Dictionary of England, ed. [[Samuel Lewis (publisher)|Samuel Lewis]] (London, 1848), [http://www.british-history.ac.uk/topographical-dict/england/pp129-170 pp. 129-170], at British History Online, accessed 30 September 2017.</ref>
* [[Claremont (country house)|Claremont]], Esher, north Surrey, from 1714 to 1768.
* A house on part of the site of the dismantled [[Nottingham Castle]], which was on the rejection of "the Reform Bill" by the Lords set on fire by a mob, at which time it had for many years been divided into separate dwellings.<ref>'Nottingham', in A Topographical Dictionary of England, ed. Samuel Lewis (London, 1848), [http://www.british-history.ac.uk/topographical-dict/england/pp446-461 pp. 446-461], British History Online, accessed 30 September 2017.</ref>
* The 6th Duke inherited the Hope mansion of [[Deepdene House and Gardens|Deepdene House]], [[Dorking]], Surrey, which was sold by the 8th Duke.

===Wales===
[[File:Hafod, South Wales.jpeg|thumb|Hafod Uchtryd]]
* One duke bought the retreat of Cwm Elain, Dyfryn-Elain, Cwm-Toyddwr, [[Radnorshire]], from [[Robert Peel|Sir Robert Peel]]. It had been sold off by 1849.<ref>Samuel Lewis, 'Dyfryn-Elain', in A Topographical Dictionary of Wales (London, 1849), [http://www.british-history.ac.uk/topographical-dict/wales/pp317-320 pp. 317-320], British History Online, accessed 30 September 2017.</ref>
* The heirs of [[Thomas Johnes]] (died 1816) sold [[Hafod Uchtryd]], in [[Cardiganshire]], together with its estate on the Ystwith, to the 4th Duke. The process of sale took from 1831 until 1833, and the price was £70,000. The Duke spent £20,000 on the property, including adding the Havod Arms Inn, four miles from the house in [[Llanfihangel y Creuddyn]]. In 1846, he sold the estate for £95,000 to Henry Hoghton.<ref>Samuel Lewis, 'Cardiganshire', in ''A Topographical Dictionary of Wales'' (London, 1849), [http://www.british-history.ac.uk/topographical-dict/wales/pp158-180 pp. 158-180], British History Online, accessed 30 September 2017.</ref><ref>Samuel Lewis, 'Edern - Eidda', in A Topographical Dictionary of Wales (London, 1849), [http://www.british-history.ac.uk/topographical-dict/wales/pp320-328 pp. 320-328], British History Online, accessed 30 September 2017.</ref><ref>Samuel Lewis, 'Llanvihangel', in A Topographical Dictionary of Wales (London, 1849), [http://www.british-history.ac.uk/topographical-dict/wales/pp129-147 pp. 129-147], British History Online,  accessed 30 September 2017.</ref>

===Ireland===
* The 6th Duke inherited the Hope mansion of [[Castleblayney]], [[County Monaghan]], Ireland; this was sold by the 8th Duke.