An appealing subject, Alison, and full of character. I think the background is slightly distracting in the first version but you've caught a good expression in both images and it's lovely to see that your sister has given a 'new' start to her new addition
New - What a beaut. Like others have said, the yellow in the bottom corner is a bit distracting. I prefer it in colour one black and white. I think it gives him a bit more character but I like the crop you did on it.
Clean - White on white. Very brave. Haha. Like it. Nice and simple but in a good way. Better after your play with the white balance I think.
Like Allan I like those old gateways like that too, we have one here in Hove with the church in the BG too.
On your image I like how the sun is hitting the steeple in the BG and it is a lovely image too.
New - He doesn't look grumpy at all just very cuddly I like the mono tighter crop that you did. I think that really works.
Clean - Cracking photo that. Nice and minimalist and perfect for the theme
Open - Well seen. Perfect for the theme too. I find myself wanting to shave the tiny bit off the right hand side of the image though.