• More Sky, Less Roof

    Full Aluminium Lantern Roofs & Rooflights

    The strength-to-weight ratio of aluminium is ideal for creating lantern roofs with minimal sightlines, allowing more natural light to enter your room. Perfect for conservatories, flat roof extensions, and more!

More Sky and Less Roof

Strong & Light, with Slim Sightlines

A range of roof lanterns and roof lights that are constructed from glass and aluminium, with minimal sightlines that allow lots of natural light to flood your room. They are suitable for flat roofs and perfect for creating an architectural look, giving the feeling of extra volume and dimension to any room.


Whether you are replacing an existing roof or are in the process of building a new extension, a lantern roof from 21st Century is an ideal way to draw more light into your room. Our lanterns offer exceptional benefits, unmatched by any other roof on the market. The internal and external design complements our range of aluminium doors and windows.

No clunky bars or supports cluttering the ridge. No thick, chunky profiles dominating the glazing. This unique system design is pure engineering magic. Super strong, light, 40mm aluminium box rafters create slim, elegant roof profiles with excellent thermal performance. Compared to conventional roofs sold by competitors, the visible width and sightlines of rafters have been slashed by 30% and the main feature ridge by 70%.


This unique design creates a feeling of more sky and less roof –  giving you visible elegance to your roof design and appearance. Less is definitely more.

Design versatility:

The versatility of the aluminium box section rafters and creative design solutions have removed the requirements for outdated bulky hood covers on lantern roofs and Edwardians.


Increased strength and thermal efficiency:

Increased roof strength means the design aesthetics and clear sightlines achievable using the slim Atlas profiles remain unmatched by any other manufacture, creating a roof that can suit any dwelling.

  • Full Aluminium – NO PVCu Caps Internally
  • SLIM External Ridge & Internal Radius End Detail
  • Internal appearance echoes traditional timber construction
  • Thermal insulation in this roof makes the room comfortable all year round.
  • Ball Finial Available
  • Can be powder coated to any RAL colour
  • Compliments our entire Aluminium range perfectly.

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