Hartwell House has been mentioned or recognised within countless guidebooks, industry publications, reviews, and recommendations. In addition, the hotel has also been presented with a variety of important industry awards. The following represent just a few such awards:
- Five Time Winner Of The Certificate Of Excellence - Tripadvisor Hall of Fame 2015
- AA Notable Wine Award 2016
- The Silver Award, Small Hotel of the Years 2010, from VisitBritain at the Excellence in England Awards for Tourism 2010
- 5 Star Excellent Hygiene Rating - Aylesbury Vale District Council October 2008
- Pride of Britain Hotel of the Year 2008
- 2004 Conde Nast Johansens Awards for Excellence - Hartwell House one of the 3 nominated Hotels
- 2004 Georgian Group Awards - Hartwell House winner of the Restoration of a Georgian -Garden or Landscape Award, with it's work on the triumphal arch
- The Silver Award, Small Hotel of the Years 2003, from VisitBritain at the Excellence in England Awards for Tourism 2003
- 2003 Conde Nast Johansens Awards for Excellence - Hartwell House one of the 3 nominated hotels
- 2003 Southern Tourist Board Regional Winner Excellence in England - Best Small Hotel of the Year
- Automobile Association (4 Red Stars) 2 Rosettes
- Royal Automobile Club Blue Ribbon
- 'One of the International Country House Hotels of the Year'
- 1991 Hideaway Guide (USA)
- 1992, 1994 and 1995 Which? Hotel Guide 'Buckinghamshire Country Hotel of the Year'
- 1993 RAC Credit to the Industry Award
- 1993 Johansens Award for 'Most excellent value for money in Great Britain and Ireland'
- 1997 Good Hotel Guide César Award for 'Country House of the Year'