A Tower House castle (often called a pele tower) is a compact, vertical fortress and aristocratic residence that combines heavy defense with functional family living. Popularized across Western Europe during the Middle Ages—most notably in Ireland, Scotland, and the Anglo-Scottish borders—thousands of these structures were built between the 14th and 17th centuries by both Gaelic chieftains and Anglo-Norman lords. These vertical, single-pile stone buildings typically stand 3 to 5 stories tall and feature distinct architectural elements designed for localized warfare and clan raiding.

Exterior Design and Defenses:

Thick Walls: Bases can measure up to several meters thick, often featuring a sloped outward flare at the bottom called a batter to deflect heavy objects or stop rams.

Controlled Access: Single ground-level entrances protected by heavy wood doors, overhead machicolations (openings to drop stones), and internal murder holes.

Upper Battlements: Rooflines feature crow-stepped gables, crenellations, and corner turrets or bartisans designed for archers and lookouts.

Slit Windows: Lower levels use narrow arrow loops that widen inward for defense, while upper private chambers have larger, more decorative stonework windows.

Interior Layout and Rooms:

Ground Floor Cellar: A stone-vaulted chamber used to store food, supplies, or secure livestock, preventing fire from rising through the structure.

Middle Levels: Stacked rooms serving as guard quarters, kitchens with wall fireplaces, and servant sleeping spaces.

The Hall / Solar: The primary upper-level living and dining space for the lord or owner, featuring better light and a warm hearth.

Spiral Staircases: Narrow stone stairs built into the thick walls or corner turrets connecting each floor up to the roof walk.