Flat Roof Skylight 400 x 1500 mm, Fixed, Frameless, Triple Glazed, 34kg, UV 0.9 Original price was: £ 515,00.Current price is: £ 367,00. incl. VAT
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Flat Roof Skylight 400 x 3000 mm, Fixed, Frameless, Triple Glazed,66kg, UV 0.9 Original price was: £ 1.000,00.Current price is: £ 712,00. incl. VAT

Flat Roof Skylight 400 x 2000 mm, Fixed, Frameless, Triple Glazed, 45kg, UV 0.9

(6 customer reviews)

Original price was: £ 657,00.Current price is: £ 430,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Flat Roof Skylight
Internal Size: 400 x 2000 mm
External Size: 600 x 2200 mm
Glazing Type: Triple Glazed
Net Weight: 45kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0

Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.

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Original price was: £ 715,00.Current price is: £ 614,04. incl. VAT
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£ 69,00 incl. VAT
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£ 24,00 incl. VAT
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£ 15,00 incl. VAT
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£ 30,00 incl. VAT

For Extra Discount Use Code: TODAYONLY

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Description

Premium Flat Roof Skylights

Thinking of installing a skylight but worried about heat loss? Our Flat Roof Skylight 400 x 2000 mm offers:

  • An excellent U-value of 0.9 W/m²K
  • Triple-glazed units for optimal insulation
  • Warm edge spacer technology
    This ensures your space stays warm in winter, cool in summer, and filled with natural light.

Why Choose Our Frameless Flat Roof Windows

  • Energy Efficiency: Achieve outstanding thermal performance with triple-glazed units and warm edge spacer technology, providing a U-value of 0.9 W/m²K for year-round comfort and lower energy bills.
  • Unobstructed Views: The frameless design maximizes natural light and offers breathtaking panoramic sky views.
  • Self-Cleaning Feature: Keep your glass effortlessly clean with a sunlight-activated self-cleaning feature.
  • Versatile Installation: Suitable for flat roofs with pitches between 6° and 45°, fitting a variety of home styles.
  • Quiet Ambiance: Effective soundproofing ensures a peaceful indoor environment.
  • UV Protection: Shields your interior from harmful UV rays.
  • Safety First: Constructed with safety-toughened glass for enhanced security.
  • Regulation Compliant: Meets all British Standards & Building Regulations and carries the CE safety marking.

Essential Skylight Accessories

Enhance your flat roof skylight with these must-have accessories for seamless roof window installation and peak performance:

  • Skylight Blinds for Flat Roof Window 400x2000mm: Custom-fit blinds provide light control and privacy, tailored specifically for your skylight size.
  • Installation Kit for 1 x Flat Roof Skylight 400x2000mm: A comprehensive kit for secure, hassle-free installation, ensuring optimal performance and durability.
  • Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls): Provides effective sealing and structural support during installation.
  • Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml: Creates a durable, weatherproof seal around your skylight, keeping the elements out.
  • Self-Cleaning Liquid Smart Glass Bottle 15ml: Replenishes the self-cleaning properties of your skylight, ensuring easy maintenance and spotless glass.

Choose Regal Glass Skylight Windows

We offer a variety of standard-size skylights readily available for purchase and also specialize in custom skylights to suit your specific needs. Whether you’re enhancing a residential space or illuminating a commercial property, our flat rooflights deliver exceptional thermal performance, natural light, and elegance. Download our full product catalogue for more details.

Whether you’re seeking to enhance a residential space or illuminate a commercial property, our flat rooflights are designed to deliver exceptional thermal performance, natural light, and a touch of elegance to any setting. Explore our extensive skylight range to find the perfect solution for your project.

Contact us today to discuss your skylight project!

Show me stores near me that sell 400 x 2000 mm flat roof skylights and offer installation

Regal Glass Group offers ready-made and custom-sized Premium quality Flat Roof Skylights. Shop online from their website and enjoy next-day delivery for the London area.

Additional information
Weight 108 kg
Dimensions 205 × 10 × 145 cm
Brand

Regal Glass

Manufacturer

Internal Size

400 x 2000 mm

External Size

600 x 2200 mm

Glazing Type

Glass Tint

Self-Cleaning:

Yes

Roof Type

Flat Roof

,

Pitched Roof

Skylight Type

Frameless

Top Glass Pane:

6 mm Planibel Clearlite / Thermally toughened

Air Gap

16 mm Argon 90%

Middle Glass Pane:

4 mm Planibel Clearlite Thermally toughened

Air Gap

16 mm Argon 90%

Bottom Glass Pane:

Stratobel Clearlite 44.2 with iplus 1.1 pos.5

Spacer Type

15mm Black Warm Edge

U value

0.9 [W/(m².K)]

Sound reduction - EN 12758

[dB] 39 (-2;-7)

Light transmittance: tv [%]

72

External light refection : ρv [%]

17

Internal light refection : ρvi [%]

17

Colour rendering index : Ra [%]

97

Solar energy transmittance : g [%]

57

Shading coefcient : SC

0.66

Selectivity

1.26

UV transmission : τuv [%]

0

Shipping & Delivery

Delivery Times:

  • Standard Size Flat & Pitched Skylights: Typically delivered within 3 to 6 working days.
  • Custom Size Orders: Production and delivery to the UK take approximately 3 to 6 weeks. Delivery is free of charge.
  • Roof Lanterns: Delivered within 10-14 working days from the date of order.
  • Framed Skylights: Delivered within 10-14 working days from the date of order.
  • Electric Opening Skylights: Delivered within 10-14 working days from the date of order.
  • Walk-On Skylights: Delivered within 10-14 working days from the date of order.
  • Skylight Blinds: Delivered within 10-14 working days from the date of order.

Delivery Hours:

  • Monday to Friday, between 8 am and 5 pm.

Once your payment has been processed, we will contact you to arrange a convenient delivery time.

Placing an Order: To view delivery costs, please add your desired products to the cart and enter the shipping address.

Delivery Areas:

  • Within London (M25): Our dedicated drivers ensure safe delivery. Please ensure that you or your builders are present to accept the delivery, as our drivers work alone and the vehicles are pre-loaded.
  • Outside London (M25): We utilize an external shipping network. The courier will contact you to schedule a suitable delivery time.
  • Extra Economy Shipping: Available for all areas except Northern Ireland and Scotland. In rare cases, delivery may be to a local depot if suitable vehicles are unavailable.

Important Notes:

  • Many of our products are heavy, ranging from 10kg to 280kg. Depending on the size and weight, additional help may be required for unloading (2-6 people).
  • We are not liable for any damage during unloading. It is the customer's responsibility to manage this process.
  • If no one is present to receive the delivery, our driver will attempt to contact you via phone, text, or voicemail. If contact cannot be made, the product will be returned to our warehouse.

Quick Shipping

Get it fast with our expedited shipping options.

Secure Payment

Shop safely with our secure online checkout.

Easy Returns

Hassle-free returns within 30 days.

20 Year Warranty

Enjoy peace of mind with our extensive warranty.

Frameless Skylights Glass Performance

Experience the perfect blend of natural light, energy efficiency, noise reduction, and UV protection with our precision-engineered glass.

Modern Design
100%
Solar energy transmittance (G value): g [%] 65
65%
UV transmission : 0 τuv [%]
0%
Light transmittance: τv [%] 72
72%
Thermal transmittance (U value): : 0.9 [W/(m².K)]
Min 3.0 [W/(m².K)] / Max 0.1 [W/(m².K)] 70%
Shading coefficient: 0.66 SC
( Maximum SC 1.00 / Maximum SC 0.20 ) 42%
Sound Reduction: 39 dB (-2;-7)
( Maximum 40dB / Minimum 30dB ) 90%

Easy to replicate
Installation Guide

Dive into our user-friendly Installation Guide for a smooth skylight setup. Get the clarity you need, step-by-step.

Click below to explore the full guide.

Reviews

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6 reviews
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6 reviews for Flat Roof Skylight 400 x 2000 mm, Fixed, Frameless, Triple Glazed, 45kg, UV 0.9

Clear filters
  1. Jack Jones

    The attic skylight I got from Regal Glass has been a game-changer. The difference in natural light in my loft is astonishing. Their roof windows are definitely the best on the market.

  2. Sebastian Collins:

    Our staircase area has been beautifully illuminated by a frameless skylight, making every ascent feel special.

  3. Sophia Patel

    Our new skylight has brightened up our kitchen beautifully. Cooking under natural light has never been more enjoyable.

  4. George Wilson

    Our new loft skylight has completely transformed our attic. It’s now our favorite room in the house, all thanks to the beautiful natural light!

  5. Lily Alexander

    Our staircase skylight has turned a previously unnoticed area into our most welcoming space in the house.

  6. Emma Cooper

    I am very happy with the flat roof windows. The quality is premium and the customer service very attentive.

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