Can You Add a Roof Lantern to an Existing Flat Roof?
A roof lantern can often be retrofitted to an existing flat-roof extension. Learn what must be checked before cutting the opening.
How to Clean and Maintain a Roof Lantern Safely
Keep your roof lantern bright with a safe cleaning routine for glass, powder-coated aluminium, drainage channels and seals.
Are Roof Lanterns Noisy in the Rain? Glass and Acoustic Performance
Find out what affects rain noise on a roof lantern and how glazing, room finishes and weather conditions influence what you hear.
Roof Lanterns for Kitchen Extensions: Sizes, Styles and Design Ideas
Plan a brighter kitchen extension with practical advice on roof-lantern size, position, colour, glazing and interior design.
Roof Lantern Installation: The Complete Step-by-Step Process
Understand the main stages of roof-lantern installation, from structural opening and kerb preparation to glazing and final checks.
Where Should a Roof Lantern Be Positioned in an Extension?
Use room layout, daylight, roof structure and sightlines to find the best position for a roof lantern in your extension.
Roof Lantern Condensation: Causes, Prevention and Solutions
Learn why condensation appears on roof lanterns, how to reduce it and when misting could indicate a failed sealed glazing unit.
Are Roof Lanterns Energy Efficient? U-Values Explained Simply
Understand roof-lantern U-values, thermal breaks and glazing choices so you can compare energy efficiency with confidence.
Do Roof Lanterns Make a Room Too Hot? Glazing and Solar-Control Guide
Roof lanterns can transform a room without making it uncomfortable. Learn how glazing, orientation, ventilation and shading control summer heat.
How Long Do Roof Lanterns Last? Lifespan, Guarantees and Maintenance
A well-made aluminium roof lantern can serve a home for decades. Learn what affects lifespan, which maintenance matters and what to check in the guarantee.
Do Roof Lanterns Need Planning Permission? UK Guide
A roof lantern may be covered by the planning status of a compliant extension, but permission can still be required because of its height, location, heritage controls or removed permitted-development rights.
How to Measure for a Roof Lantern: A Step-by-Step Guide
Measure a roof lantern in millimetres using the external kerb dimensions requested by the supplier. Check the length, width, diagonals and level in several places before ordering a made-to-measure unit.