Cavity wall insulation cost data

Data point		Valid in	Capital cost	Operating cost excluding fuel	Source
	DECC estimates		37600–162000	?	DECC estimates
	Markal 3.24		38856–42094	?	Markal 3.24
	2050 Range		35600–162000	?	2050 working assumption
	Easy	2011	45000–55000	?	Green Deal call for evidence
	Hard	2011	180000–250000	?	Green Deal call for evidence
	Hard	2010	162000	?	December 2010 Impact Assesment
	Easy	2010	38000	?	December 2010 Impact Assesment
	Range	2010-2011	35600–250000	0–0

Notes

What should be included in this category?

What should be excluded from this category?

How are these costs used in the 2050 Pathways model?

Add a cost for Cavity wall insulation

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