cantilever
A beam or structure that sticks out from a wall and is supported at only one end.
Example: The balcony is a cantilever with no visible supports underneath.

C120 words · Advanced
Advanced construction vocabulary for design and regulation, including a cantilever, a building's elevation, planning permission and the building code that a demolition or value engineering exercise must satisfy.

A beam or structure that sticks out from a wall and is supported at only one end.
Example: The balcony is a cantilever with no visible supports underneath.

A drawing that shows one side, or face, of a building as it would appear from outside.
Example: The architect presented the front elevation of the new library.

A row of small posts topped with a rail, used along the edge of a staircase or balcony.
Example: Marble balustrades line the grand staircase.

To add new equipment or features to an older building to improve it, especially for safety or efficiency.
Example: The council plans to retrofit older homes with better insulation.

A set of official rules that new buildings must follow for safety and quality.
Example: The extension failed to meet the local building code.

Official approval from a local authority that is needed before building work can begin.
Example: They were refused planning permission to build a second floor.

The act of deliberately pulling down or destroying a building.
Example: Demolition of the old factory starts next month.

A decorative strip of moulding that runs along the top of a wall or ceiling.
Example: Fine plaster cornice ran around the edge of the ceiling.

A horizontal beam placed over a door or window to support the wall above.
Example: A stone lintel spanned the width of the old doorway.

Formal approval to break one normal building rule for a single project.
Example: The developer applied for a variance to build above the height limit.

The overall shape and bulk of a building.
Example: The massing was cut by a storey after the objections.

A path where heat escapes through a break in insulation.
Example: One thermal bridge at the balcony undid the whole specification.

Cutting the cost of a design without losing its function.
Example: Value engineering removed the atrium and most of the point.

The chosen way of appointing and paying a contractor.
Example: The procurement route decided who carried the risk.

The time after handover when the builder must fix faults.
Example: The defects liability period expired eleven days before the leak.

Money held back until work is proved satisfactory.
Example: The retention was never released and never chased.

The outer shell separating inside from outside.
Example: Half the budget went on the building envelope alone.

Building work allowed without applying for permission.
Example: It fell within permitted development by about nine inches.

A district where buildings are protected from unsympathetic change.
Example: In a conservation area even the window frames need approval.

Drawings updated to show what was actually constructed.
Example: The as-built drawings and the building agreed on almost nothing.
