Historic Windows (Custom)
Made to match traditional properties
• Designed to fit existing openings
• Maintains original character
Available in PVC • Aluminium • Dual-finish interior/exterior systems
PVC and aluminium systems from leading European manufacturers. Engineered for coastal climates, energy efficiency, and consistent indoor comfort.
All systems are manufactured to European standards and carry verified certifications for consistent quality and performance.
CE Marked · EN 14351-1 Tested · ISO 9001
The way a window or glass door opens shapes how daylight enters, how air flows, and how each room feels.
Understanding opening styles helps you choose solutions that fit how you live — not just how your home looks.
Made to match traditional properties
• Designed to fit existing openings
• Maintains original character
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Roof glazing with no opening
• Maximum daylight
• Minimal maintenance
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Roof window with central pivot opening
• Balanced airflow
• Easy internal access
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Sliding system for larger panels
• Suitable for large openings
• Handles heavier glazing
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Panels slide up and down
• No inward opening
• Suitable for traditional buildings
Available in PVC • Aluminium • Dual-finish interior/exterior systems
One opening panel with symmetrical look
• Clean, balanced design
• Simpler construction
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Two panels open from the centre
• Full-width opening
• Balanced appearance
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Tilts from the top for controlled airflow
• Controlled ventilation
• Maintains privacy
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Opens inwards from the side
• Full opening
• Strong sealing when closed
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Opens inwards or tilts for ventilation
• Flexible opening options
• Easy to clean from inside
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Slides sideways for simple opening
• No swing clearance
• Works well for wider openings
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Designed for heritage properties
• Matches existing architecture
• Custom sizing and detailing
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Panels fold and stack to the side
• Full-width opening
• Flexible configurations
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Slides and tilts for ventilation
• Ventilation without full opening
• Efficient use of space
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Sliding system for larger panels
• Suitable for wide openings
• Improved sealing under load
Available in PVC • Aluminium • Dual-finish interior/exterior systems
Slides sideways for everyday access
• No swing clearance
• Suitable for wider openings
Available in PVC • Aluminium • Dual-finish interior/exterior systems
“The evolutionDrive lift & slide doors transformed our living room. The 4-meter opening glides effortlessly, and we’ve had no issues after 3 years of coastal exposure.”
Miguel, Cascais
4.0 m
Large-span opening with smooth glide performance
3+ years
Coastal exposure with no operational issues
Daily use
Consistent movement without resistance or misalignment
“Our apartment is so much quieter since installing the bluEvolution 82 system. The results are impressive. We can barely hear the street traffic any more.”
Ana, Lisbon
Reduced noise
Significant reduction in street traffic sound
Urban setting
Improved indoor comfort in high-noise environment
Daily living
Quieter interior spaces throughout the day and nigh
” Our second time to hire Ola Janelas. Professional installation, fair pricing, and the windows still look new after five years.”
Carlos & Teresa, Sintra
5+ years
Long-term performance without visible degradation
Consistent condition
Frames and finishes remain stable over time
Installation quality
System performance maintained
Every system is selected and installed based on real conditions — including exposure, structure, and long-term use
On-site or remote consultation based on your project
Full installation service or supply-only for builders
5-year manufacturer warranty, plus 2-year installation guarantee
Itemised quotes delivered in English or Portuguese, within 24–48 hours
Real projects showing how system selection performs in different conditions
Systems designed to reduce external noise in dense city conditions
Solutions to manage heat gain, glare, and indoor temperature stability
Certified systems supporting safe building design and compartmentation
The right solution depends on your home’s layout, climate exposure,
insulation needs, and how you use each space. Material, opening style,
glazing, and installation method all influence comfort and performance.
We help you compare options clearly during your assessment so you can
choose what works best for your home and project.
Modern systems help stabilise indoor temperatures, reduce external noise, and improve overall comfort. When properly specified and installed, they also support better energy efficiency and more consistent indoor conditions throughout the year.
Yes. Many projects use retrofit installation methods that minimise disruption to the existing structure and finishes. For renovations or new builds, systems can be fully integrated into the building design for optimal performance.
Yes. We work across new construction, full renovations, and upgrade projects. Systems are specified based on the building type, installation conditions, and performance requirements — whether improving an existing home or designing a new one.
We start with a free assessment — either on-site or remote — to understand your space and requirements. Based on this, we recommend suitable systems and provide a detailed quotation in English. Once confirmed, we handle measurement, ordering, and installation, ensuring the system is correctly specified and fitted for long-term performance.
Yes. We offer both full installation and supply-only options. Supply-only is available for professional partners and for homeowners working with their own builders or contractors, while still ensuring access to certified systems and correct specifications.
Timelines vary depending on project size and complexity. Smaller replacements may take a few hours, while larger projects involving multiple windows and doors or custom systems can take longer. A clear timeline is provided during your assessment based on your specific project.
