Table I.

Synthesis of vulnerability factors and major sources of evidence

Vulnerability componentVulnerability factorSub-factorsVariablesMajor sources of evidence
SensitivityLocationUrban climateAir Temperature (°C)(CIBSE, 2005); (ARUP, 2008); (Sanders and Phillipson, 2003); (ARCC, 2011)
Solar radiation(Sanders and Phillipson, 2003); (Peacock et al., 2010)
Building/Dwelling positioningOrientation (degree)(Coley and Kershaw, 2010); (Porrit et al., 2012)
Building Floor(Orme and Palmer, 2003); (CIBSE, 2005); (Mavrogianni et al., 2012); (OIkonomou et al., 2012)
Age and FormAge(Combination of factors)(Orme and Palmer, 2003); (Sanders and Phillipson, 2003); (Hacker et al., 2009)
SizeInterior area (m2)(Coley et al., 2012); (Porrit et al., 2012); (Mavrogianni et al., 2012); (Gupta and Gregg, 2012)
Exterior surface area (m2)(Coley and Kershaw, 2010); (Mavrogianni et al., 2012)
Building FabricWalls and structure opaque composition GlazingThermal capacity (kJ/m2/°C)(CIBSE, 2005); (Hacker, 2008); (Kendrick et al., 2012); (Coley and Kershaw, 2010)
Thermal resistance (W/m2 · year)(Coley and Kershaw, 2010); (Mavrogianni et al., 2012); (Peacock et al., 2010); (Porrit et al., 2012); (Tuohy et al., 2007)
Glazing to floor ratio (%)(Coley and Kershaw, 2010); (Mavrogianni et al., 2012); (Porrit et al., 2012)
Air tightness (ach/h)(Coley and Kershaw, 2010); (Lomas and Ji, 2009); (NHBC, 2012)
Surface albedo(Gupta and Gregg, 2012); (Porrit et al., 2012)
ExposureOccupancy and behaviourOccupancyTime spent indoors (h)(Porrit et al., 2012); (Gupta and Gregg, 2012)
Occupied time of the day (0-24 h)(Porrit et al., 2012); (Gupta and Gregg, 2012)
Type of occupied room(Orme and Palmer, 2003); (Peacock et al., 2010)
BehaviourAllowed ventilation (ventilation strategy) (ac/h)(Porrit et al., 2012); (Hacker and Holmes, 2007); (Lomas and Ji, 2009)
Internal gains (W/m2 · year)(Orme and Palmer, 2003); (Holmes and Hacker, 2007)
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