Higher End and Winstanley west of the M are in the Orrell ward see ONSwardsorrell It is recommended that from April  Orrell ward will be part of the Makerfield constituency along with  Abram Ashton in Makerfield Bryn Hindley Hindley Green Winstanley and Worsley Mesnes A Constituency is very much part of local government seeing as a constituency is made up of local council wards The constituents from these wards elect the MP for the constituency  Neighbourhoods of the Metropolitan Borough of Wigan do as you say exist They have existed for a long time But an article on Billinge and Winstanley which as we both know are two separate places is not the place to list the Metropolitan Borough of Wigans other neighbourhoods  Billinge is a civil parish Winstanley is a civil parish Wigan is an Ecclesiastical Parish which is a church thing and is in the diocese of Liverpool another church thing Billinge and Winstanley civil parishes are in Wigan Ecclesiastical Parish  Billinge was an urban district of Lancashire not an urban district of Wigan  Wigan Council indeed any council will put what suits them on a their own website  I know these things because I read written archived historical factual information not opinion posted on the internet sites Councils come and go Billinge Hill will still be there in another thousand years