Total Energy by Type

Predicted (SAP)

kWh/m2/year

Actual

kWh/m2/year

Predicted energy use difference from actual (%)

UK Case Study Participant

Gas & Electricity

317

352

−10%

Anne

Gas & Electricity

288

220

+31%

Arabella

Gas & Electricity

167

107

+56%

Gwen

Gas & Electricity

262

205

+28%

Jane

Gas & Electricity

199

220

−10%

Juliette

Gas & Electricity

177

139

+27%

Robert

Electricity

222

98

+26%

Wendy