Hi there, my 5 common mistakes to avoid for a successful listing post may help you! I also took a look at your listing for you. Here are my suggestions:
1: Your listing’s profile picture is your kitchen, which does nothing to encourage sitters to click your listing. Change it to something that supports your title, such as the ‘stunning Warwickshire countryside.’ You also have a random image of a door in your images, which can be removed. The rest of the images are very nice 
2: Your home and location section mentions nothing about the house itself. Where are sitters sleeping? Do they have access to streaming services? Please describe the home. You also have it listed as accessible to public transport but don’t explain how close your home is to these services.
3: Responsibilities are nice, but sitters often want to know how long the pets can be left alone for and how long dog walks are.
Overall it has a very friendly and inviting tone and sounds like a nice sit! Best of luck