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Cavity Walls consist of two skins separated by a hollow space. The skins are commonly masonry, such as brick or concrete block.
Typically the wall thickness would measure from around 220mm-320mm.

The term Timber Frame typically describes a system of panelized structural walls and are usually constructed from small section timber studs, clad with board products.
Typically the wall thickness would measure from around 100mm-200mm

The term system built refers to homes built through some type of systemized construction process. Usually constructed on site and commonly known as poured concrete or solid sheet concrete. (Also concrete cladding).
Typically the wall thickness would measure from around 200-300mm.

Solid brick houses are built either from two layers of brick, or a layer of concrete block and an adjacent layer of brick on the exterior…A single layer of brick is built near each exterior wall and attached to the house with metal ties. A good tip to identify a solid brick wall is from the exterior brick pattern, it will consist of what they call headers and stretchers (basically the brick turned on its head interrupting the pattern )
Typically the wall thickness would measure from around 100mm-250mm

Typically common in Pre 1900 built properties and usually would either be what’s known as sandstone or granite and whinstone. Usually found on your typical terraced property and anything older.

Typically the wall thickness would measure from around 400mm-600mm.