VELUX GCL Heritage Conservation Top Hung White Painted Roof Window

The VELUX GCL Heritage Conservation Top Hung White Painted Roof Window is crafted specifically for historic and heritage buildings where authenticity is essential. With its slim black exterior, central glazing bar, and near-flush installation, it blends harmoniously into traditional roof designs while offering the benefits of modern glazing and performance. Its elegant, heritage-inspired appearance ensures the window sits discreetly within the roofline, maintaining the property’s period character. Internally, the pine wood frame is finished with a durable triple-coat white-painted surface, creating a bright and clean look that complements both modern and traditional interiors. The outward-opening top-hung design allows generous ventilation, excellent views, and easy operation via a classic winding handle mechanism that honours traditional window styling.

Key Features

Authentic heritage design with a central glazing bar and slimmer black exterior profile. Top-hung outward-opening mechanism that provides wide, unobstructed views and improved headroom. Near flush installation blends seamlessly with roof tiles for a historically accurate appearance. Glass-to-edge technology for a sleek, contemporary internal finish. Durable pine wood frame, triple-coated and white-painted for long-lasting beauty. Double-glazed for comfort, featuring laminated safety glass, toughened outer glass, UV filtering, and reduced rain noise. Easy-to-clean coatings reduce maintenance and prevent dirt, dew, and stains from sticking to the glass. Enhanced indoor comfort through improved insulation, reduced heat loss, and effective solar control.

Thermal & Glazing Performance

Thermal transmittance (U-value): 1.3 W/(m²K) Light transmittance: 0.75 Solar energy transmittance: 0.56 Sound insulation: 35(-1;-3) Air permeability: Class 4 External fire performance (British): NPD External fire performance (European): Broof(t4) Impact resistance: Class 3 Reaction to fire: C-s1,d2 Wind load resistance: C3 Water tightness: E900 Additional glazing benefits include: Safety lamination Toughened outer pane UV filtering Rain noise reduction Anti-dew coating Easy-to-clean surface

Frequently Asked Questions

Is the GCL Heritage window suitable for listed or conservation buildings?

Yes. The slim black exterior, central glazing bar, and flush-fitting design make it ideal for use in historic and conservation-sensitive properties.

How is this model different from standard VELUX roof windows?

The Heritage range is designed for period authenticity, featuring a traditional winding handle, slimmer profiles, flush installation, and glazing bars that recreate the appearance of historic roof windows.

Does the window require a lot of maintenance?

No. The triple-coated white-painted pine interior is highly durable, and the glass features easy-clean and anti-dew coatings, reducing the need for regular cleaning.