Planning Committee / Comité de l'urbanisme
February 14, 2017 / 14 février 2017
Acting Director / Directeur par intérim
Economic Development / Développement économique
Planning, Infrastructure and Economic Development Department / Service de la planification, de l'Infrastructure et du développement économique
Eva Walrond, Planner / Urbaniste, Research and Forecasting Section / Unité de la recherche et des prévisions
(613) 580-2424, 27592, Eva.Walrond@ottawa.ca
Ward: CITY WIDE / À L'ÉCHELLE DE LA VILLE
File Number: ACS2017-PIE-ED-0001
SUBJECT: Comparative Analysis of Residential Development Ratios in the City of Ottawa, 2015 Update
OBJET: Analyse comparative des ratios d’aménagement résidentiel dans les banlieues D’Ottawa, mise à jour 2015
That Planning Committee receive this report for information.
RECOMMANDATION DU RAPPORT
Que le Comité de l’urbanisme prenne connaissance du présent rapport.
This study is an update to a report completed in 2010. This earlier report indicated that staff would periodically monitor the findings of the 2010 survey to assess whether the net to gross ratio of greenfield residential development is continuing to trend in the same direction. Its purpose is to assess how the proportion of land used for residential purposes in suburban areas of Ottawa has changed over the last 25 years. Specifically, the study seeks to assess the degree of impact of land requirements for stormwater facilities, protection of natural features and other non-residential uses in neighbourhoods. The suggestion has been made that these newer requirements significantly affect how much land can be developed for housing in new areas and that as a result, additional urban land is required to accommodate a given amount of housing.
Eight suburban areas in Ottawa predominantly built after 2005 were reviewed to assess whether there is a lower ratio of residential land in newer development compared to what the previous (2010) report concluded. Land use patterns in neighbourhoods built before 2000, between 2000 and 2010 and after 2005 were analyzed. Land use features assessed included the number, unit type and area of housing units, and the area of nonresidential uses such as road rights-of-way, parkland and natural features, schools, local commercial, stormwater facilities, and other uses.
The 2010 report indicated that there had been a decrease in the net to gross ratio in newer areas meaning the proportion of residential land uses to the total development area has declined. The 2015 analysis indicates this trend has continued and that the percentage share of net residential land to gross land area declined marginally in post2005 areas. Older pre-2000 areas had an average net to gross ratio of 60.7 per cent. Development during the 2000-10 decade had a net to gross ratio of 53.1 per cent. Post-2005 areas have averaged a net to gross ratio of 52.4 per cent. Additional detail is contained in the main report, which is attached as Document 1.
Although the proportion of land used for housing has declined slightly, densities for all unit types have increased in both net and gross terms. Consequently, the average number of housing units provided per gross hectare has actually increased since 2000.
This information serves two key purposes. First, it will serve as a benchmark for the Building Better and Smarter Suburbs (BBSS) initiative that is projected to be concluded in 2017. BBSS is focused on improving the liveability within suburban communities through various means including better utilization of land that can reverse the downward trend that has been experienced in residential net to gross ratios. Achieving increased residential net to gross ratios in combination with the increased densities can reduce urban boundary expansion needs in the future. This leads to the second key purpose of undertaking the comparative analysis of residential development ratios every five years. The information collected and analyzed (as has been the case since the City began doing this analysis) provides for estimating how much housing can be expected on potential residential land which is necessary for estimating future urban land requirements through the five year Official Plan review cycles. The next projected timing for this analysis will be 2020.
There are no rural implications associated with this report.
This report was circulated to the Greater Ottawa Home Builders Association (GOHBA) for their review and comment. The comments received did not affect the land use findings in the report with regard to the net-to-gross ratio.
COMMENTS BY THE WARD COUNCILLORS
This is a City-wide report - not applicable.
There is no legal impediment to receiving this report.
RISK MANAGEMENT IMPLICATIONS
There are no risk management implications association with the recommendation in this report.
There are no direct financial implications.
There are no accessibility impacts associated with this report.
TERM OF COUNCIL PRIORITIES
This report reflects the following Term of Council Priorities:
Healthy and Caring Communities
Governance, Planning and Decision Making
Document 1 A Comparative Analysis of Residential Development Ratios in the City of Ottawa, 2015 Update (distributed separately)
This report is for information only. However, the net to gross ratio of greenfield residential development in Ottawa will be monitored periodically as new areas are developed in order to assess whether development ratios are trending differently than this survey indicates.