We had a short but lovely stay at Testa Grigia in October. We didnt have much idea about Zermatt, so went ahead with this hotel based on a friend's reference.
The owner was prompt to reply to my mail for availability, & suggested that we dont go for the cheapest room ('economy'), as it had a common bathroom on the floor. He also assured us that we'll get a much better option for additional 20 euro approx, with "Matterhorn View".
And we were so glad that we agreed! ....
We had a common balcony, with mountains all around... and an unintertupted view the BEAUTIFUL peak of Matterhorn...

That apart, the hotel is just a 5 minute walk from the station, which is a nice deal in vehicle-free Zermatt.....
Spacious wooden room, nice breakfast with fresh juices & ever- smiling owners.
totally worth the price....will definitely go back!

The staff was kind and hard working. Breakfast was simple and very good. The room was very large by any standards with a great view of the Matterhorn.

We stayed at the Testa Grigia for the several days we were in Zermatt. We found the hotel through the TI at the train station and were impressed with the location and price compared to many other options. While our room (405, I believe) was small and our bathroom (though private for our use only) was located across the hall, we had a nice sized balcony with chairs where we could sit and enjoy the gorgeous view of the Matterhorn. The staff was pleasant and Directeur Simon was helpful and it seemed always on duty. Breakfast was average European but the eating area was bright and well tended. The location was also great - short walk to the train station and on the main street which made it convenient to everything we needed. It's an older property but clean and comfortable. (There was no computer/internet in the lobby but we were told there was wi-fi - weren't traveling with laptop so don't know how well it worked...) If I returned to Zermatt I would stay here again...