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Wall finishes
 Capital cost (£/m2)Net present value for 60 years (£/m2)Decoration frequency (years)
Liquid coverings
Emulsion – matt4.85366
Oil – gloss 6.50406
Oil – semi-gloss or eggshell6.50416
Spray paint (multi-colour gloss)4.803710
Flexible pre-formed coverings
Paper-backed vinyl9.545312
Washable wallpaper9.644715