OpenLegislation

Schedule 3 IN-USE FACTORS

Original text. Later amendments are not shown.

Measure

In-use factor
Cavity wall insulation (including insulation of hard to treat cavities)35%
Connection to a district heating system10%
Draught proofing15%
External solid wall insulation for a mobile home25%
Flat roof insulation15%
High performance external doors and passageway walkthrough doors15%
Loft or rafter insulation (including loft hatch insulation)35%
Pipework insulation15%
Room in roof insulation25%
Secondary or replacement glazing15%

Solid wall insulation for a solid brick wall built before—

  1. (a)

    1967, if situated in England or Wales;

  2. (b)

    1965, if situated in Scotland

33%

Solid wall insulation for—

  1. (a)

    a solid wall which is not built of brick;

  2. (b)

    a solid brick wall built in—

    1. (i)

      1967 or later, if situated in England or Wales;

    2. (ii)

      1965 or later, if situated in Scotland

25%
Under-floor insulation15%