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Building Regulations and Other Guidance
Part A Structure
Part B Fire Safety
Part C Site Preparation and Resistance to Contaminants and Moisture
Part D Toxic Substances
Part E Sound
Part F Means of Ventilation
Part G Sanitation, hot water safety and water efficiency
Part H Drainage and waste disposal
Part J Combustion appliances and fuel storage systems
Part K Protection from falling, collision and impact
Part L Conservation of fuel and power
Part M Access to and use of buildings
Part O Overheating
Part P Electrical safety
Part Q Security
Part R Physical infrastructure for high-speed electronic communications networks
Part S Infrastructure for the charging of electric vehicles
Air Leakage
Regulation 7 Materials and Workmanship
Radon
Building Energy Rating: EPC
Energy Efficiency & Renewable Energy Systems
Timber Frame Construction
Acceptable Construction Details
Typical Inspection Reports
Windows and doors
Windows and doors include draft proofing as part of their construction. Trickle vents that make up part of the frames should be inspected and not overly leaky. Particular attention should be paid to door thresholds where provision had been made for drainage. These drainage holes can be a common place for air to escape from or to cause drafts.
Where a letterbox is located on the front external door, it must be fitted with a draft excluder; this might not be necessary on porches but it is advisable to install regardless. Gaps at sills, heads and jambs can all allow air to leak into the cavity or directly to the outside.