Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex.
The modern pub is at 200 Lancaster Road, I am presuming this is the same pub as this listing, but not actually sure.
Enfield pub history index
A listing of historical public houses, Taverns, Inns, Beer Houses and Hotels in Middlesex. The Middlesex listing uses information from census, Trade Directories and History to add licensees, bar staff, Lodgers and Visitors.
Hollybush, 200 Lancaster Road, Enfield - in September 2012
Kindly provided by Dolores Dilley
Residents at this address
1839/Grace Brewer/../../../Pigots Directory
1851/Edward Archer/Holly Bush, Chase side/../../Post Office Directory
1855/Edward Archer/Holly Tree tavern/../../Post Office Directory
Holly Bush, New Lane :
1861/James Smart/Publican/40/Bisley, Gloucestershire/Census
1861/Frances Smart/Wife/40/Surrey/Census
1861/Elizabeth Abbot/Domestic servant/15/Eye, Suffolk/Census
1861/_ West/Lodger, Butler/30/../Census
1866/Henry Clarke/Hollybush inn, Chase side/../../Post Office Directory
1871/William Chandler/Licensed Victualler/38/Buckland, Surrey/Census
1871/Anne Chandler/Wife/32/Henbury, Gloucestershire/Census
1871/Edwin C Chandler/Son/3 months/Enfield, Middlesex/Census
1871/Ellen Hill/Relative/19/Henbury, Gloucestershire/Census
1874/William Chandler/Hollybush inn, Chase side/../../Post Office Directory
1878/William Chandler/../../../Post Office Directory
1881/William Chandler/Licensed Victualler/48/Buckland, Surrey/Census
1881/Ann Chandler/Wife/42/Bristol, Gloucester/Census
1881/Edwin C Chandler/Son/10/Enfield, Middlese/Census
1881/Benjamin Chandler/Son/8/Enfield, Middlese/Census
1881/Edith Chandler/Daughter/6/Enfield, Middlese/Census
1881/Percy Chandler/Son/4/Enfield, Middlese/Census
1890/William Chandler/../../../Post Office Directory
1891/William Chandler/Licensed Victualler/57/Buckland, Surrey/Census
1891/Anne Chandler/Wife/51/Bristol, Gloucestershire/Census
1891/Edwin C Chandler/Son, Electric Fitter/20/Enfield, Middlesex/Census
1891/Benjamin Chandler/Son, Pupil Teacher/18/Enfield, Middlesex/Census
1891/Edith A Chandler/Daughter, Dressmaker/16/Enfield, Middlesex/Census
1891/Percy J Chandler/Son/14/Enfield, Middlesex/Census
1891/Anne E Chandler/Daughter/9/Enfield, Middlesex/Census
1891/Ella H Chandler/Daughter/7/Enfield, Middlesex/Census
1891/Blanche M Chandler/Daughter/7/Enfield, Middlesex/Census
1894/William Chandler/../../../Post Office Directory
1899/William Chandler/../../../Post Office Directory
1901/William Chandler/Licensed Victualler/68/Betchworth, Surrey/Census
1901/Annie Chandler/Wife/62/Kings Weston, Gloucestershire/Census
1901/Benjamin Chandler/Son, Public House Manager/28/Enfield,
Middlesex/Census
1901/Edith Chandler/Daughter, Barmaid/26/Enfield, Middlesex/Census
1901/Percy J Chandler/Son, Cashier Civil Service/24/Enfield,
Middlesex/Census
1901/Annie Chandler/Daughter/19/Enfield, Middlesex/Census
1901/Blanche Chandler/Daughter/17/Enfield, Middlesex/Census
June
1901/Benjamin Walter Chandler/../../../Marriage
June
1901/Bessie Marie Cole/../../../Marriage
1914/Benj William Chandler/../../../Post Office Directory
1926/Benj William Chandler/Holly Bush, Chase Side/../../Post Office Directory
1933/Benj William Chandler/Holly Bush, Chase Side/../../Post Office Directory
1949/B J Chandler, Holly Bush, 200 Lancaster Road /../../B T Telephone Directory [ENField 0378]