Section 01
What the standard actually standardises
The standard gives Alberta real estate professionals a single method for measuring residential property and a single basis for describing the result, so that two licensees measuring the same house should report consistently. It addresses how a dwelling is measured, what is included in the reported area, and how areas below grade are treated in the description.
It is a professional standard, not a technical description of the building. It does not certify construction, does not describe usability, and does not attempt to reconcile itself with the ways other parties measure the same house.
Section 02
Above grade and below grade, and why the distinction persists
The standard reports area above grade separately from finished area below grade. The reason is comparability: below-grade space differs from above-grade space in light, egress, ceiling relationship and construction, and combining them produces a figure that flatters a house while telling a buyer less.
In Edmonton this distinction is unusually consequential. Walkout and daylight configurations on ravine and valley lots produce lower levels that feel and function like principal living space while remaining below grade for measurement purposes. Both facts are true at once, and the honest presentation states them separately rather than merging them.
A lower level described as fully above grade because it opens to a slope is a description error, not a measurement.
Section 03
Atypical and custom layouts
Custom houses generate the hardest measurement questions: split and multi-level arrangements, open volumes and voids over principal rooms, mezzanines, integrated but unheated spaces, conversions above garages, and additions built to a different structural line than the original house. Each requires the measurer to apply the standard deliberately and to note how it was applied.
The practical protection is documentation. Ask for the measurement record — who measured, when, on what basis, with a sketch — rather than a single figure in marketing material. A number without a method cannot be reconciled with anything.
Section 04
Condominium measurement questions
A condominium unit raises a separate question before measurement even begins: what constitutes the unit. Unit boundaries are defined by the registered condominium plan, and the registered unit area recorded there is produced for a different purpose than a professional's measurement of interior space.
Balconies, terraces and roof areas are frequently exclusive-use common property rather than unit area, so they do not become interior area by being attached to a unit. Reconcile the plan, the corporation's records and the measurement record before treating any single figure as the area of the home.
Section 05
The records a buyer or seller should reconcile
The measurement record prepared under the standard. The assessment record, which is produced by the municipality on its own basis for taxation. Builder or architectural drawings, which may report gross areas including structure. Appraisal reports, which state their own basis. Condominium plan areas where applicable. Any prior listing history, which may reflect an older method or an error carried forward.
Expect these to differ, and treat a disagreement as a question rather than a defect. What matters is that the figure being relied on has a stated basis and a source, and that the same basis is used on both sides of any comparison.
This atlas publishes no area figures for any property. Area is a property-specific measurement, and quoting one here would be an unsupported claim about a home the site has never measured.