It’s completely understandable to feel anxious about the situation, but you’re not alone in this. Many students face uncertainty about their next steps, especially when it comes to university applications and housing. It’s admirable that you’re being considerate of your friends and their housing plans by not committing to a house yet.
Going into halls for second year isn’t embarrassing at all. It’s a common choice for students, and many actually prefer it as it can be an easier transition than moving into shared houses, especially if you're unsure about your plans. You’ll have the opportunity to meet new people and potentially make new friends. Plus, halls are often better for socialising and keeping that university community feel, which can be really helpful if you’re feeling a bit uncertain about the future.
If you do end up needing to be in halls, just remind yourself that it’s a valid and practical choice. Try to focus on what makes you feel comfortable and what works best for you in the situation. Best of luck with your application, and don’t stress too much—whatever happens, you’ll find your way!