h · V hZg^Zh d[ Y^hXdccZXiZY egd_ZXi hiV\Zh# HjX] Vc VeegdVX] ^h jca^`Zan id dei^b^hZ i]Z...

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Transcript of h · V hZg^Zh d[ Y^hXdccZXiZY egd_ZXi hiV\Zh# HjX] Vc VeegdVX] ^h jca^`Zan id dei^b^hZ i]Z...

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0

10

20

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50

Overall mediumnon-domestic

Overalldomestic

Mediumnon-domestic

electricity

Mediumnon-domestic

gas

Domesticelectricity

Domesticgas

% in

crea

se

Percentage cost increase by 2020

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%

0

5

10

15

20

25

1976 onward1960-19751939-19591918-1938pre 1918

Age distribution of UK housing stock in 2006

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Predicted heat lossMeasured heat loss

semisemidetacheddetacheddetacheddetachedend terraceend terracesemidetachedsemisemiend terraceend terraceend terracemid terracemid terracemid terrace

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semi

semi

detach

ed

detach

ed

detach

ed

detach

ed

end te

rrace

end te

rrace

semi

detach

edse

mise

mi

end te

rrace

end te

rrace

end te

rrace

mid terra

ce

mid terra

ce

mid terra

ce

0

50

100

150

200

250

300

sem

ise

mi

detach

ed

detach

ed

detach

ed

detach

ed

end terra

ce

end terra

cese

mi

detach

edse

mi

sem

i

end terra

ce

end terra

ce

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ce

mid te

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mid te

rrace

mid te

rrace

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t los

s (W

IK)

Whole house heat loss – measured versus predicted for new build UK dwellings (n=18)

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semi

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detach

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detach

ed

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ed

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rrace

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rrace

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rrace

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ce

mid terra

ce

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Dis

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ancy

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d in

Pre

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)

Discrepancy in measured versus predicted mean U-value for new UK housing (n=18)

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MeasuredPredicted

Stage 2 renovationsStage 1 renovations

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