Measurement

Question 1

What is the internal dominant face?

Answer 1

The internal dominant face (IDF) is the inside finished surface comprising more than 50% of the floor to ceiling height for each IDF wall section. If such does not occur, then the finished surface is deemed to be the IDF

Question 2

What height should you measure a to a wall with a sloping ceiling?

Answer 2

1.5 Metres

Question 3

Explain limited use areas?

Answer 3

Ares under 5 ft in height
Areas with limited height
Areas with limited natural light

Question 4

What is the RICS property measurement document?

Answer 4

RICS Property Measurement 2nd edition Jan 2018 effective May 2018
(Professional standard and guidance) for IPMS

RICS Code of Measuring practice 6th edition May 2015

Question 5

State and explain what each IPMS is used for?

Answer 5

IPMS 1- Area of each floor level measured to the external construction features. Can be reported on component by component basis for each floor.
(Standard applies to all building classes)
Used for: Planning, sometimes costing of development proposals

IPMS 2- Office- Floor level of office building measured to Internal Dominant Face (Close to GIA)
Used for: Costings
IPMS 2- Residential- Building measured to internal dominant face (Close to GIA) Can be reported on component by component basis.
Used for: costings

IPMS 3- Office- Office floor area occupied. Excludes standard facilities. Can be stated on occupier by occupier and floor by floor basis. (Close to NIA)
Used for: Agency, Valuation and Taxation

IPMS 3 Residential- Residential floor area available on an exclusive basis to occupier.

IPMS 3A Residential- Close to Gross External Area (GEA).
Used for: Agency + Valuation, Taxation, Property and Facilities management

IPMS 3B Residential- Close to Gross Internal Area (GIA)
Used for: Agency + Valuation, Taxation and Property and Facilities Management.

IPMS 3C Residential- Effective Floor Area (EFA)
Used for: Agency + Valuation, Taxation and Property and Facilities Management

Question 6

What is “Effective Floor Area” and explain what it is used for in the UK? Also describe “Net Sales Area”?

Answer 6

Effective floor area: Council tax bandings of Flats and maisonettes. Useable area within rooms measured to the internal walls of those rooms.

Net Sales area: is the GIA of a new or existing dwelling subject to the following: includes basements, mezzanines and hallways