A window hinged at one edge and designed to open inwards or outwards 

The space between the inside and outside walls of a building. It provides protection from driving rain for the inside wall. Usually tied to the external wall with cavity wall ties. 

Joist which supports a ceiling. 

A cement joint, generally used to describe cement joints between roof slopes and walls or where walls abut other surfaces or the ground. 

A construction to hold sewage and foul waste. 

That part of the chimney flue that projects into a room. 

That part of the chimney built above roof level. 

A horizontal timber joining rafters, the cross piece in a single frame. 

A sloping soffit or ceiling; sometimes spelt Coomb, or Comb 

Brick or stonework on top of a wall.
 

Bricks projecting in steps from a wall, often found at the top of a wall immediately below a roof. Not to be confused with Dentils, which often support guttering. 

Ornamental plaster around the joint of a wall and ceiling. 

A roof without a collar. 

A cap to a chimney or vent pipe which can move in the wind to keep the opening away from the direction of the wind. Often just a fixed cap.