Windows · Doors · Conservatories

Energy-efficient windows & doors, made and fitted for your home

uPVC and aluminium, glazed to order from our own materials library and installed by our own team — every job covered by a 10-year guarantee.

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Casement, sash, tilt & turn — every style, A-rated as standard

Seven window ranges, surveyed and manufactured to the millimetre, with glass and hardware you can pick line by line.

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  • Manufactured in the UK
  • Installed by our own fitters
  • 10+ Years of Experience
  • Quality You Can Trust

Roof Lanterns

An Architectural Feature That Floods Your Home with Light

A raised glazed roof structure that maximises daylight, improves ventilation, and creates a spacious atmosphere — the perfect crown for a new extension, orangery, or flat-roof conservatory.

Our roof lanterns are manufactured using premium aluminium and high-performance glazing for exceptional strength, energy efficiency, and lasting beauty.

  • 10-year insurance-backed guarantee
  • A-rated energy-efficient glazing
  • Our own surveyors and installers
  • Transparent, itemised pricing

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Why Choose Us

Precision-engineered aluminium and premium glazing — here is what sets our roof lanterns apart.

Premium Quality Manufacturing
01

Premium Quality Manufacturing

Every Roof Lantern Conservatory is manufactured using precision-engineered aluminium profiles and premium glazing systems.

  • Manufactured to UK standards
  • Strong slimline aluminium construction
  • Long-lasting powder-coated finish
  • Low maintenance design
Maximum Natural Light
02

Maximum Natural Light

Our roof lanterns are designed with slim rafters and large glass panels to flood your living space with daylight.

  • Brighter, more spacious interiors
  • Ideal for kitchen extensions
  • Reduces daytime lighting costs
Energy Efficient Glass
03

Energy Efficient Glass

We use advanced double or triple glazing to improve insulation and reduce heat loss.

  • Low-E coated, argon-filled units
  • Excellent thermal insulation
  • Lower energy bills all year round
Weather Protection
04

Weather Protection

Built to withstand the UK's changing weather conditions.

  • Wind resistant, leak-proof sealing
  • Rainwater drainage system
  • UV protection and durable finish
Security Features
05

Security Features

Your safety is our priority.

  • Toughened safety glass
  • Laminated glass options
  • Internal glazing beads
  • High-security fixings

Roof lantern features

  • Elegant contemporary appearance
  • Slim aluminium framework
  • Double & triple glazing available
  • Self-cleaning glass options
  • Excellent thermal efficiency
  • Reduced external noise
  • Weather and UV resistant
  • Available in multiple colours
  • Custom sizes available
  • Fast professional installation
  • Long product lifespan
  • Ideal for extensions, orangeries and flat roofs

Available colours

Anthracite Grey
White
Black
Dual Colour
Chartwell Green
Custom RAL Colours

Glass options

The glazing defines a roof lantern — choose the performance that fits your room.

Clear Glass
01

Clear Glass

Perfect for maximum sunlight and unobstructed views.

  • High light transmission
  • Crystal clear appearance
  • Modern finish, easy maintenance
Solar Control Glass
02

Solar Control Glass

Designed to reduce heat build-up during summer.

  • Blocks excessive heat
  • Comfortable indoor temperature
  • Reduces glare, energy efficient
Self-Cleaning Glass
03

Self-Cleaning Glass

Special coating allows rainwater to wash away dirt.

  • Less maintenance
  • Cleaner appearance
  • Long-lasting coating, ideal for roofs
Tinted Glass
04

Tinted Glass

Provides additional privacy while reducing glare.

  • Modern appearance
  • Heat reduction and UV protection
  • Enhanced comfort
Laminated Safety Glass
05

Laminated Safety Glass

Extra security with enhanced impact resistance.

  • Improved safety and security
  • Noise reduction
  • UV filtering

Glass protection details

Built-in protection for comfort, safety and your interiors.

Low-E Glass Protection
01

Low-E Glass Protection

Reflects heat back into your home while allowing sunlight to enter.

  • Improved insulation
  • Lower heating bills
  • Better comfort
UV Protection
02

UV Protection

Protects furniture, flooring, and fabrics from fading.

  • Blocks harmful UV rays
  • Preserves interior colours
  • Increased comfort
Toughened Glass
03

Toughened Glass

Designed for additional safety and strength.

  • Stronger than standard glass
  • Safer if broken
  • Long-lasting durability

Measurement guide

  1. Roof opening width — measure the full internal width of the flat roof opening.
  2. Roof opening length — measure the complete opening length.
  3. Roof structure — ensure the supporting structure is level and suitable.
  4. Roof pitch — confirm the required pitch per manufacturer recommendations.
  5. Professional survey — our surveyors verify all dimensions before manufacturing.

Installation process

  1. Consultation — design requirements and expert advice.
  2. Home survey — accurate measurements taken.
  3. Manufacturing to exact specifications.
  4. Safe delivery to your property.
  5. Professional installation.
  6. Final inspection and quality checks.

Gallery

Roof lanterns from first fix to finished light-filled rooms.

Modern Roof Lantern Installation
01

Modern Roof Lantern Installation

Large contemporary roof lantern installed over an open-plan kitchen extension providing exceptional natural daylight.

Contemporary Living Space
02

Contemporary Living Space

Slim aluminium roof lantern creating a bright family living area.

Interior View
03

Interior View

Beautiful internal finish showing the elegant roof structure and expansive glazing.

Exterior View
04

Exterior View

Weather-resistant aluminium roof lantern with a premium powder-coated finish.

Glass Detail
05

Glass Detail

Close-up showing energy-efficient glazing and slim aluminium profiles.

Structural Detail
06

Structural Detail

Precision-engineered frame designed for strength, durability, and modern aesthetics.

Frequently asked questions

How long does installation take?

Most Roof Lantern Conservatory installations are completed within 1–2 days, depending on the project size.

Are roof lanterns energy efficient?

Yes. Our double and triple glazed roof lanterns provide excellent thermal insulation and help reduce energy costs.

Can I customise the size?

Absolutely. Every roof lantern is made to your exact measurements.

Do you offer different colours?

Yes. We offer a wide range of standard and custom RAL colour finishes.

Is planning permission required?

Many roof lantern installations fall under permitted development, but requirements vary. We can advise you during the consultation.

What warranty do you provide?

Our roof lanterns are manufactured from high-quality materials and are supplied with a comprehensive product warranty for added peace of mind.

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Request Your Free Quote

Introduce more natural light into your home with a precision-engineered aluminium roof lantern. Contact our team today for a free consultation, professional survey, and no-obligation quotation.

Your privacy matters: we collect only what is needed for quotations, surveys, installation and support; information is stored securely, never sold, shared only with trusted providers where necessary to complete your project, and handled under UK data protection regulations — with access, correction or deletion available on request.

Prefer to talk?+44 7756 994262sales@windoorsint.co.ukMon – Sat · 9am – 6pm

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