Applicable Building Type(s)

New residential

Policy Requirement Level

Mandatory

Policy Sequence

Governance

Development Authority: The Scottish Government: Building Standards Division

Implementation Authority: Local Authority

Verification Authority: Local Authority

Enforcement Authority: Local Authority

Prescriptive Compliance path

Energy Requirements:

Insulation

U-Values (W/m2.K)WallsFloorRoof
All climate zones 0.25 0.2 0.18

Windows

U-Values (W/m2.K)Windows
All climate zones 1.8

Air Leakage

7 m3/(h.m2) at 50 Pa

Space Heating System

Mechanical ventilation systems

 
(W/L/s)Specific fan power
Intermittent extract ventilation; continuous supply ventilation 0.5
Continuous extract ventilation 0.7
Continuous supply and extract with heat recovery ventilation 1.5

Lighting

75% of fixed light fittings must have a minimum luminous efficacy of 45 lumens/circuit watt

Compliance Softwares:

End-uses considered:

Space heating, Water heating, Lighting interior

Performance Compliance path

Building performance requirement expressed as carbon emissions (kgCO2/m2) based on equivalent model building

Energy Requirements:

Resources

Notes

Climate zones