Wortley Hall is a stately home in the small South Yorkshire village of Wortley, located south of Barnsley. For more than six decades the hall has been chiefly associated with the British Labour movement. It is currently used by several trades unions and other organisations as a venue for residential training courses and other meetings, as well as for purely social gatherings.
The building is constructed of sandstone ashlar with graduated slate roofs to an irregular floor plan, mostly in 2 storeys with a 7-bay south front. 
A manor house at Wortley was rebuilt by Sir Richard Wortley in 1586. During the English Civil War his son Sir Francis Wortley, 1st Baronet, like his powerful ally Sir Thomas Wentworth of Wentworth Woodhouse, was a Royalist and fought for the King, allowing Wortley Hall to be used as a garrison for 150 dragoons. However in 1644 Sir Francis was captured and imprisoned in the Tower and on his release in 1649 obliged to pay a heavy fine to recover his property. Wortley then eventually descended to an illegitimate daughter who married Sidney Montagu, second son of the Earl of Sandwich, c.1670. 
The Hall was significantly remodelled by Giacomo Leoni in 1742–46 and the East Wing added in 1757–61 for Sir Edward Wortley Montagu, MP and Ambassador to the Ottoman Empire who died in 1761. He left it to his daughter Mary, who had married Prime Minister John Stuart, 3rd Earl of Bute. From her it passed in 1794 to their son, Colonel James Archibald Stuart (1747–1818), who added the surname Wortley to his own (and later also added Mackenzie). He left it to his son Colonel James Archibald (1776–1845) who was MP for Yorkshire from 1818 to 1826, when he was created Baron Wharncliffe.
Edward Montagu-Stuart-Wortley-Mackenzie, 3rd Baron Wharncliffe was created Earl of Wharncliffe in 1876. The Hall was the seat of the Earls of Wharncliffe until the Second World War, when it was used by the British Army, after which its structural condition deteriorated.
In 1950, a group of local trade union activists identified the hall as a possible educational and holiday centre, and established a co-operative which succeeded in purchasing the hall for those purposes. It was formally opened on 5 May 1951.
- "Wortley Hall with Attached South-Front Terrace and Steps Including Attached Retaining Wall and Steps, Wortley". British Listed buildings. Retrieved 2013-03-20.
- "Wortley Family History". Retrieved 2013-03-20.
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