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Building Regulations

Part C - Condensation Risk Analysis 

Condensation Risk Analysis is becoming of increasing need in the industry as traditional construction methods and new architectural designs are increasingly leading to the formulation of mould growth and associated health problems. 

Part F - Ventilation 

Ventilation testing includes checking trickle vents and extract fans. Buildings are required to have some form of ventilation installed with different types of system, size and extract rate accepted. Building Regulations states that all dwellings are required to be tested and must achieve a target extract rate. 

Part G - Water Efficiency 

As stated in Building Regulations Part G water consumption should be no greater than 125 litres/person/day and the usage per dwelling should be calculated in accordance with the 'Water Efficiency Calculator for New Dwellings'. In certain circumstances the required litres/person/day may be reduced to 110. 

Part L - Conservation of Energy

Sets the standard for energy performance and carbon emissions of new and existing dwellings. 

Part L is split into four sections:

  • L1A - New Dwellings

  • L1B - Existing Buildings

  • L2A - New Buildings other than Dwellings

  • L2B - Existing Buildings other than Dwellings

These standards are set to be reviewed and updated every four years and are applied to the SAP calculation and Carbon Emissions targets for dwellings. 

Part O - Overheating 

First edition of its kind and will tackle overheating in new residential buildings only. Part O is aimed to encourage the design and construction of buildings that limit unwanted solar gain during summer months and provide occupants with adequate means of removing excess heat from indoor environments. 

Building Regulations compliance forms one of the core principles of BTP's sustainable design approach. For more information on this or any of our other services please contact us here