You can store different items in your stashes and then access them all from any stash. These houses have other benefits (Workbench, Altar, Forge, etc.) as well.
Complete A Tangled Web to get this residence in Canneroc. You may have to complete a previously given mission by the fashions, and you’ll get offered for it. It has a WORKBENCH & ALTAR.
Simply come to the destination located at the Southern Apotyre to get this house in Adessa. To upgrade the house you will have to start NEW IN TOWN and beat UNDER WATCH. It will have a FORGE & WORKBENCH.
Complete the Fae at the Mine, Bloodbane and Miners in the Sand missions to get this house in The Hollow lands. It has a FORGE & Altar.
This is a reward for completing the Scholia Arcana missions. It’s located in the main hall of Rathir. It has a FORGE, Altar & Workbench.
You will get this after initiating the Ghosts of Seawatch, it’s located in the south of Caeled Coast, and you will have to do more quests to upgrade. It will have a FORGE, Altar, Workbench.
Champions Manor – Downloadable Content
You will have to purchase/redeem it from the respective EA Store(House of Valor Content). It’s unlocked after you complete the quest of the House of Valor, Championship Match.