MississaugaBuilding PermitsHouses

Spatial Separation Between Houses

Published by City of Mississauga

This is the City of Mississauga’s document, as published on its website on 19 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type
Document
Published by
City of Mississauga
Also called
Sample Spatial Separation Calculation
For
designer
Building types
All building types
Pages
2
Instruments
OBC Division B, Sentences 9.10.15.4 (1) and (2) · Table 9.10.15.4 · Ontario Building Code O.Reg 332/12, as amended

Overview

A two-page worked example the City of Mississauga publishes among its building documents and forms, showing how the two methods in OBC Division B, sentences 9.10.15.4 (1) and (2) give different results for the same house. Method 1 takes one exposed building face of 30 sqm at a 2 m limiting distance for 3.6 sqm of glazing; Method 2 splits the same face into three wall areas at 2 m, 3 m and 2.5 m for a 5.55 sqm total. Each page carries the city's Ontario Building Code disclaimer.

What it covers

  • Method 1
  • Method 2
  • Summary
  • Disclaimer:
Check this against the municipality before you rely on it.

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Spatial Separation Between Houses

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