| Parish | Date of designation |
| Ainderby Steeple | 18 December 1975 |
| Aldwark | 23 July 1991 |
| Alne | 23 February 1985 |
| Bedale | 23 February 1988 |
| Boltby (NYMNP) | December 1977 |
| Borrowby | 20 December 1978 |
| Brafferton and Helperby | 30 April 1985 |
| Brompton | 20 October 1987 |
| Burneston | 8 December 1994 |
| Carlton in Cleveland (NYMNP) | December 1977 |
| Carlton Husthwaite | 19 April 1988 |
| Coxwold (NYMNP) | December 1977 |
| Crakehall | 20 October 1976 |
| Crathorne | 23 October 1990 |
| Crayke | 20 October 1976 |
| Easingwold | 23 October 1990 |
| Felixkirk | 21 May 1991 |
| Great Ayton | 23 February 1988 |
| Great Broughton | 23 October 1990 |
| Great Smeaton | 27 February 1990 |
| Hornby | 3 December 1994 |
| Husthwaite | 21 April 1987 |
| Hutton Rudby | 23 October 1990 |
| Kepwick (Partly NYMNP) | 21 July 1987 |
| Kilburn (Partly NYMNP) | 10 July 1991 |
| Kirkby in Cleveland | 23 October 1984 |
| Kirkby Fleetham | 23 February 1988 |
| Kirklington | 8 December 1994 |
| Knayton | 3 October 1990 |
| Maunby | 8 December 1994 |
| Nether Silton (Partly NYMNP) | 10 July 1991 |
| Newby Wiske | 22 April 1986 |
| Newton on Ouse | 8 December 1994 |
| Northallerton | 21 April 1987 |
| Osmotherley (NYMNP) | December 1977 |
| Oulston | 14 October 1997 |
| Pickhill | 21 February 1990 |
| Romanby | 21 April 1987 |
| Sandhutton | 27 February 1990 |
| Scruton | 8 December 1994 |
| Sessay | 12 December 2017 |
| Snape | 28 February 1986 |
| Stillington | 20 October 1976 |
| Stokesley | 23 February 1988 |
| Sutton-On-The-Forest | 8 May 1971 |
| Sutton-Under-Whitestonecliffe | 23 October 1990 |
| Swainby (NYMNP) | December 1977 |
| Thimbleby (Partly NYMNP) | 22 April 1984 |
| Thirsk and Sowerby | 27 February 1990 |
| Thornton Watlass | 24 February 1989 |
| Tollerton | 8 December 1994 |
| Topcliffe | 8 December 1994 |
| Well | 24 October 1989 |
| West Tanfield | 8 December 1994 |
A list of all conservation areas in the Hambleton district and the dates that the areas were designated as conservation area.