hello, can someone please help...

1) for an external cavity wall please rank these by strength/durability,
strongest first.

a) english
b) stretcher
c) header
d) flemish
e) flemish garden wall
f) english garden wall

If I want a 3 story extension will any of them be particularly well suited
or badly suited.
---

2) for a Garden Wall please do the same.

a) english
b) stretcher
c) header
d) flemish
e) flemish garden wall
f) english garden wall

Thnak in advance.

Hal.