Social return on investment analysis of an urban greenway

Figures & data

Figure 1. The Connswater Community Greenway and PARC study sampling area. Legend: Buffers indicate a 5, 10 and 15 minute walk from the Connswater Community Greenway. Reproduced from Tully et al. (2013). Physical activity and the rejuvenation of Connswater (PARC study). Protocol for a natural experiment investigating the impact of urban regeneration on public health. BMC Public Health 13; 774.

Figure 2. Conceptual model representing the intervention and its consequences in terms of economic evaluation and associated co-benefits.

Table 1. Summary of all Connswater Community Greenway monetary benefits in order of descending magnitude.

	Worst Case Scenario	Best Case Scenario
Land and Property Values	£ 970,856.82	£ 63,324,579.23
Health and Wellbeing	£ 11,937,023.35	£ 52,110,170.75
Flood Alleviation	£ 42,062,210.55	£ 42,062,210.55
Quality of Place	£ 33,633,036.77	£ 33,633,036.77
Climate Change	£ 9,035,257.03	£ 9,035,257.03
Labour Market Employment and Productivity	£ 2,833,352.91	£ 2,833,352.91
Tourism	£ 270,134.94	£ 496,699.73
Total	£ 100,741,872.37	£ 203,495,306.97
Benefit Cost Ratio	2.88	5.81

Table 2. The Benefit Cost Ratios for worst and best case scenarios for various discount rates and lifetimes of the greenway.

	Benefit Cost Ratio
	Worst Case Scenario	Best Case Scenario
Discount Rate
0%	5.62	11.73
3%	3.13	6.35
5%	2.28	4.55
Lifetime of the greenway
10 years	1.01	1.87
20 years	1.86	3.46
30 years	2.42	4.79

Tully, M.A., et al., 2013. Physical Activity and the Rejuvenation of Connswater (PARC Study): protocol for a natural experiment investigating the impact of urban regeneration on public health. BMC Public Health 13, 774. doi:10.1186/1471-2458-13-774.

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