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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 resources Specification 33 Additional requirements Specification 34 Modelling parameters for J1V3 Specification 35 Modelling profiles for J1V3 Specification 36 Material properties Specification 37 Calculation of U-Value and solar admittance Specification 38 Spandrel panel thermal performance Specification 39 Sub-floor and soil thermal performance Specification 40 Lighting and power control devices Specification 44 Calculation of heating load limit, cooling load limit and thermal energy load limit Specification 45 Modelling profiles for J1V5