When Warren came of age the annual value of his estates in Cheshire and Lancashire (some in the immediate neighbourhood of Lancaster) was estimated at £6,500 p.a., but they were heavily encumbered; and c.1750 he rebuilt Poynton Lodge on a grand scale. His marriage cleared the encumbrances—Jane Revel’s reputed fortune was £200,000, and her real estate, in a proposed settlement, was put at £4,000 p.a.
Some time in 1759 Warren wrote to Newcastle:
Mr. Warren, Member for Lancaster, who has always been zealously attached to the King, and has in his own and his wife’s right, the heiress of Mr. Revel, near £16,000 p.a., is very desirous of having the honour of being a Knight of the Bath.
The favour shewn by his Majesty to Mr. Warren will be very agreeable to Sir Richard Grosvenor and Mr. Egerton.
But when on 16 Sept. 1759 Newcastle placed the application before the King, George II
flew into a passion, said he was the other day a lieutenant in the Guards, and then said these words: What! do you think I dote? Pray don’t come to me with such proposals as these.
Newcastle to Hardwicke, Add. 32897, f. 148.
In the new reign Warren attached himself to Bute; secured his K.B.; supported the peace preliminaries; and raised fancy claims to the ancient earldom of Warren and Surrey (in a letter to Bute, probably of 25 Feb. 1768,
There is no record of his having ever spoken in the House; according to the Manchester Mercury of 29 Dec. 1767, he ‘never distinguished himself ... either by attending the general business of Parliament, or particular committees’. Still, two he must have attended diligently. On 15 Jan. 1766, a petition came before the House, promoted by Warren and Charles Roe, a Macclesfield industrialist, for a canal to run from the River Weaver near Northwich, by Knutsford and Macclesfield, skirting a rich but little developed coalfield on Warren’s Poynton estate, and reaching the Mersey at his manor of Stockport.
Warren sought to levy feudal dues on the modern industrial development of Stockport: he tried to establish a manorial monopoly for his corn mills and bakehouses, to exact tolls on imported flour, malt, meal, and cheese, to enforce his authority over the Stockport market, etc. He tried to enclose parts of the commons or wastelands for industrial development, and engaged in cotton manufactures. By lawsuits he gained some points and a great deal of unpopularity, which spread beyond Stockport: in 1769, Lord and Lady Molyneux, very popular in Lancashire, had ‘some ground to recover that they have lost by coming with Sir George and Lady Warren to Manchester’. Sir Edward Blackett, writing to his son William in May 1785, describes Warren as ‘a strange, shabby fellow’.
Similarly at Lancaster he rendered himself unpopular. ‘The Lancaster people are very angry with Mr. Reynolds’, wrote Mary Kenyon on 5 Dec. 1767,
Between 1768 and 1779 Warren voted with the Government, and when absent from the division on the contractors bill, 12 Feb. 1779, was still classed by Robinson as a Government supporter. But on 3 Mar. 1779 over Keppel he voted with the Opposition, and did so in every single division from 21 Feb. to 24 Apr. 1780. In a ‘State of Representation’ drawn up in August 1782, Robinson wrote about Lord Bulkeley: ‘He goes with his father-in-law, Sir George Warren, and was by him carried against the old Administration on his disappointment.’ Disappointment over the peerage, for years past Warren’s principal concern,
In 1774 Warren was chosen unopposed, but did not stand for Lancaster in 1780. He was returned by Bulkeley for Beaumaris, but whereas Bulkeley supported Shelburne’s peace preliminaries, Warren voted against them. ‘I have no hold upon him, although I bring him into Parliament’, wrote Bulkeley to Shelburne, 21 Feb. 1783.
Warren died 31 Aug. 1801. ‘His remains were interred in the family vault ... with great funeral pomp. Except those of the royal family, the procession was one of the most costly and attractive that has been seen for several years.’
