Measurement

Question 1

What RICS publications do you have reference to for measurement guidance?

Answer 1

Retail - Code of Measuring Practice, 2015 (NIA)

Industrial - Code of Measuring Practice, 2015 (GIA)

Offices - IPMS All Buildings, 2023 (or report in NIA if requested - specify)

Residential - IPMS All Buildings 2023

IPMS All buildings has replaced IPMS Standards

Code of Measuring Practice is due to be updated

Question 2

Describe Net Internal Area

Answer 2

The usable area within a building.

Include:

Entrance halls (if not communal)
Kitchens
Built-in cupboards etc occupying usable space
notional lift lobbies and fire corridors
Ramps, sloping areas and steps within usable areas

Exclude:

WCs, Cleaners’ rooms and the like
Lift rooms, plant rooms etc
stairwells, lift wells and permanent lift lobbies
entrance halls, atria used in common
corridors and other circulation areas where used in common
Permanent circulation areas associated with access but not those that are usable areas
internal structural walls
Space occupied by permanent air-conditioning, heating etc

Question 3

What is Gross Internal Area?

Answer 3

The total area of the building measured to the internal face.

Used for industrial properties

Question 4

What is Gross External Area?

Answer 4

Area of a building measured externally i.e. including the wall thickness. Used for planning diagrams