# The Electricity and Gas (Energy Companies Obligation) Order 2012, Schedule 3: IN-USE FACTORS


Measure
In-use factor
Cavity wall insulation (including insulation of hard to treat cavities)
35%
Connection to a district heating system
10%
Draught proofing
15%
External solid wall insulation for a mobile home
25%
Flat roof insulation
15%
High performance external doors and passageway walkthrough doors
15%
Loft or rafter insulation (including loft hatch insulation)
35%
Pipework insulation
15%
Room in roof insulation
25%
Secondary or replacement glazing
15%
Solid wall insulation for a solid brick wall built before—
(a) 1967, if situated in England or Wales;
(b) 1965, if situated in Scotland
33%
Solid wall insulation for—
(a) a solid wall which is not built of brick;
(b) a solid brick wall built in—
(i) 1967 or later, if situated in England or Wales;
(ii) 1965 or later, if situated in Scotland
25%
Under-floor insulation
15%

---
Source: https://www.legislation.gov.uk/ukdsi/2012/9780111530276/schedule/3 (the official version)
Page: https://openlegislation.uk/draft-electricity-and-gas-energy-companies-obligation-order-2012/schedule-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.