Tag: building regulations Part L

Cross-section diagram of a residential house highlighting key energy efficiency components such as insulation, airtightness, ventilation, and high-performance materials, in compliance with Building Regulations Part L.

Building Regulations Part L: Insulation, Energy Efficiency & What You Must Know

December 14, 2025 No Comments

Building Regulations Part L sets the energy efficiency rules for UK home projects. This guide explains what Part L covers, how U-values and insulation affect extensions and conversions, and why ventilation (Part F) matters when you improve airtightness. Learn what Building Control looks for, what evidence to keep, and how to avoid costly changes mid-build.

A modern insulated garden room in winter with warm lighting visible through large glazed doors, illustrating effective heating solutions and energy efficiency — perfect example of heating a garden room in the UK.

Heating a Garden Room – The Best Options Explained

November 3, 2025 No Comments

Heating a garden room doesn’t need to be complicated. From electric radiators and underfloor systems to energy-saving heat pumps, discover the most efficient ways to keep your garden office or studio warm all year round — with key tips on insulation, running costs, and Building Regulations for comfort and compliance.