You can stitch them individually or as one complete piece, the choice is  yours. Additional borders are not advisable as long as you leave 3 to 5  stitches space between each design; borders are provided in most of the  designs. If you choose to stitch the entire series in one piece, it will have a stitch count of 370 W x 495 H (18.5" x 24.75")
The fabric used for the models is 40 count Prehistoric linen from Fox and Rabbit. 
Using flosses from Classic Colorworks, Weeks Dye Works and DMC.
Housebarn
Stitch Count: 120 W x 120 H (6" x 6")
DMC:
| 224 | 976 | 
| 434 | 3052 | 
| 676 | 3799 | 
| 829 | 3825 | 
| 936 | 3865 | 
Classic Colorworks: *Barn Door (DMC 3722) and *Manor Red (DMC 3802
*Number of skeins needed:
Barn Door
1 over 2 on 40 count linen ~ 1 skein
1 over 2 on 36 count linen ~ 1 skein
2 over 2 on 32 count linen ~ 2 skeins
2 over 2 on 28 count linen ~ 2 skeins 
Manor Red
1 over 2 on 40 count linen ~ 1 skein
1 over 2 on 36 count linen ~ 1 skein
2 over 2 on 32 count linen ~ 2 skeins
2 over 2 on 28 count linen ~ 2 skeins