Hi there, thanks for your question! The Logan is fantastic (our #1 selling style) and is made by hand to order right here in Los Angeles, CA, where Apt2B is based as you may have seen/read (made in the USA!). It's truly cozy and expertly built to last :)

Answers to your questions:

Chaise Depth and Seat Height: The seat depth of the chaise portion is 23"d horizontally and 55"d from the front of the chaise cushion to where it meets the back cushion. The overall depth of the chaise portion is 68"d. The seat height is a pretty standard 20"h and here are some additional measurements to paint a fuller picture for you:

Overall Dimensions: 108"w x 68"d x 33"h
Sofa Portion: 73"w x 36"d x 33"h
Chaise Portion: 35"w x 68"d x 33"h

Seat Height: 20"h | Pillow Height: 36"h | Seat Depth: 23"d
Arm Height: 28"h | Leg Height: 7"h | Arm Width: 4"w

Ottoman: While there isn't an ottoman offered as an every day option, there are a number of ottomans that can be made for customers whom are interested in a variety of sizes (all of which will match the exact Logan style):

23x30: $488

25x35: $588

35x35: $648

28x48: $748

48x48: $888

If you're interested in adding an ottoman to your order, please let us know which size would work best for you and we can create a quick custom product here on Houzz to add to your order!

If you have any other thoughts or questions, please feel free to reply to this comment thread and we're excited to continue assisting you in any way we can!

-Apt2B Customer Care