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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c
Part J1 Energy efficiency performance requirements Part J2 Energy efficiency Part J3 Elemental provisions for a sole-occupancy unit of a Class 2 building or a Class 4 part of a building Part J4 Building fabric Part J5 Building sealing Part J6 Air-conditioning and ventilation Part J7 Artificial lighting and power Part J8 Heated water supply and swimming pool and spa pool plant Part J9 Energy monitoring and on-site distributed energy resourcesSpecification 33 Additional requirementsSpecification 34 Modelling parameters for J1V3Specification 35 Modelling profiles for J1V3Specification 36 Material propertiesSpecification 37 Calculation of U-Value and solar admittanceSpecification 38 Spandrel panel thermal performanceSpecification 39 Sub-floor and soil thermal performanceSpecification 40 Lighting and power control devicesSpecification 44 Calculation of heating load limit, cooling load limit and thermal energy load limitSpecification 45 Modelling profiles for J1V5