
As the demand for sustainable building solutions continues to rise across Lancashire, energy efficient windows have become an important component in modern construction and renovation projects. This comprehensive guide will help builders and installers understand the latest technologies, regulations, and best practices for installing energy efficient windows in Lancashire properties.
Understanding Energy Efficient Windows
Before diving into installation procedures, it’s essential to understand what makes windows energy efficient. The key components of an energy efficient window include:
- Argon or krypton gas filling
Latest Window Technologies for Maximum Energy Efficiency

Advanced Glazing Options
Modern energy efficient windows in Lancashire must meet specific U-value requirements. Current technologies that help windows to achieve the required standards include:
Frame Materials and Their Benefits
At Great Harwood Windows, we supply energy efficient windows in three different materials.
All three materials provide excellent levels of energy efficiency and easily meet today’s required industry standards.
Installation Best Practices
Pre-Installation Considerations
- Survey existing openings thoroughly
- Check structural integrity
- Assess ventilation requirements
- Review Building Regulations compliance
Step-by-Step Installation Process
- Remove existing windows carefully
- Prepare and clean apertures
- Install new DPC where required
- Position and level frames accurately
- Fix frames using appropriate fixings
- Install glazing units properly
- Apply sealants and trims
Meeting Lancashire Building Regulations

All glazing installations must meet building regulations standards. Current regulations require:
- Minimum U values 1.2 W/m²K (new buildings) 1.4 W/m²K (existing buildings)
- Trickle ventilation requirements
Certification and Documentation
When installing energy efficient windows, glazing installers should provide the following documents for their customers:
- FENSA or local authority building control certification
- Energy performance certificates
- Installation certificates
As you can see, there is a lot of information to be considered when installing energy efficient windows. With a good understanding of current technologies, compliance with local regulations and always using proper installation techniques, you’ll ensure a successful and fully compliant installation every time.
If you’d like to find out more about working with Great Harwood Windows as your dedicated trade supplier of energy efficient windows, get in touch today. Call us on 01254 690 009 or email info@greatharwoodwindows.co.uk and we’ll get back to you as quickly as possible.