1200x1200mm Fixed Flat Roof Skylight | Frameless Triple Glazed Glass Rooflight | 0.9 U-Value | KingsView
1200x1200mm Fixed Flat Roof Skylight | Frameless Triple Glazed Glass Rooflight | 0.9 U-Value | KingsView Original price was: £ 676.00.Current price is: £ 469.90. incl. VAT
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1500x2000mm Extra Large Skylight — Reinforced Triple Glazed Rooflight — No Water Pooling — 0.9 U-Value
1500x2000mm Extra Large Skylight — Reinforced Triple Glazed Rooflight — No Water Pooling — 0.9 U-Value Original price was: £ 2.079.00.Current price is: £ 1.560.00. incl. VAT
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1500x1500mm Extra Large Skylight — Reinforced Triple Glazed Rooflight — No Water Pooling — 0.9 U-Value

(5 customer reviews)

Original price was: £ 1.569.00.Current price is: £ 957.09. incl. VAT

Special Pricing Ends In:
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LIVE STATUS: 16 units remaining

KingsView™ 1500x1500mm (Internal Size) Extra Large Square Skylight

Make a bold architectural statement with our 1.5m x 1.5m frameless rooflight. Specifically engineered for large kitchen extensions and modern open-plan living, this premium square unit fits a 1500x1500mm internal structural opening, providing a massive “glass-to-sky” view while delivering the highest levels of thermal safety.

Why the KingsView™ 1.5m Square Series Excels:

  • Anti-Sag Engineering: Spanning 1.5 metres requires superior glass tension. We use Reinforced Dual 8mm Toughened Safety Glass (Top & Bottom) to prevent “glass bowing.” This heavy-duty construction ensures a perfectly flat profile and Zero Water Pooling for total structural peace of mind.
  • Superior Thermal Shield: Achieve an incredible 0.9 W/m²K U-Value. This triple-glazed unit is fully Building Regulations compliant (Part L), keeping your home exceptionally warm in winter and cool in summer.
  • Acoustic & Smart Glass: Blocks up to 39dB of external noise and features Sunlight-Activated Self-Cleaning technology—ensuring your expansive view remains spotless with minimal maintenance.
  • Certified Strength: Rated for high wind and snow loads, fully UKCA Certified, and backed by an industry-leading 20-Year Warranty.

Critical Specifications:

Internal Size 1500 x 1500 mm (Structural Opening)
Glass Build Reinforced Dual 8mm Toughened (Triple Glazed)
Performance 0.9 U-Value | 39dB Sound Insulation
Unit Weight Approx. 110.8kg
Installation Min. 8°–10° Pitch Recommended for Run-off

— Delivery & Pitch Note:

To ensure the 1.5m span remains free of standing water, a minimum pitch of 8°–10° is required. Delivery is Kerbside Only (110.8kg); appropriate manpower or lifting equipment must be available on-site for offloading.

The perfect modern solution for large extensions and open-plan living. Designed to meet strict UK Building Regulations for safety and heat retention.

CE & ISO CERTIFIED
Precision Fit: 10-year leak-proof warranty included.
Transit-Safe: Arrived damaged? We swap it in 24h.

16 in stock (can be backordered)

Inclined Insulated Upstand for Flat Roof Skylight 1500 x 1500 mm
Inclined Insulated Upstand for Flat Roof Skylight 1500 x 1500 mm

6 in stock (can be backordered)

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Original price was: £ 335.53.Current price is: £ 279.61. incl. VAT
1500x1500mm Electric Rooflight Blind | Flat Roof Skylight Shade | KingsView - Translucent, Hardwired
1500x1500mm Electric Rooflight Blind | Flat Roof Skylight Shade | KingsView - Translucent, Hardwired
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Original price was: £ 820.05.Current price is: £ 756.12. incl. VAT
Installation kit for 1 x Flat Roof Skylight 1500x1500mm
Installation kit for 1 x Flat Roof Skylight 1500x1500mm
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£ 88.60 incl. VAT
Foam Rope - Structural Glazing Tape – 9mm Thick (7.5m Rolls)
Foam Rope - Structural Glazing Tape – 9mm Thick (7.5m Rolls)
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£ 24.00 incl. VAT
Weatherproofing Sealant (Silicon) - DOWSIL™ 791, 310ml
Weatherproofing Sealant (Silicon) - DOWSIL™ 791, 310ml
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+
£ 16.15 incl. VAT
Self-Cleaning Liquid Smart Glass Bottle 15ml
Self-Cleaning Liquid Smart Glass Bottle 15ml
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+
£ 30.00 incl. VAT
Estimated delivery: 17th Mar – 23rd Mar
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Specifications
Installation Drawing
flat-roof-skylight-frameless-rooflight-drawing-description-1500-x-1500-mm-rev1
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Delivery & Return

Delivery & Return

Free delivery for custom size skylights and all orders delivered within London M25 area. For your convenience we offer Nationwide Delivery and Next Day Delivery Option.

Delivery Options Overview

Firstly, we have our own fleet of delivery vehicles and friendly, helpful drivers who are committed to getting your skylights to you in perfect condition. We can deliver your order directly to your home or business at a time that suits you. Our drivers will carefully unload your order and even help you move it to the desired location. Alternatively, we also offer TPN Connect delivery services. TPN Connect is a trusted delivery network that specializes in handling fragile and delicate items, like skylights. They work with reputable courier services to ensure that your order is delivered safely and securely to your door. When you place your order with us, you’ll have the option to choose the delivery method that works best for you.

Delivery Options

Nationwide

Standard Delivery
Get it in 3-6 working days

All orders within London M25. We deliver Monday to Friday between 8am-5pm.

Nationwide

Next Day
Delivery

The orders received until 12:00pm can be delivered on next working day. There is an additional charge.

London

Local Pickup
From Our Warehouse

You can pick it from our warehouse on this specific time: Monday to Friday between 8am-5pm.

 

Nationwide

Delivery Of
Custom Size Skylights

Delivered for free of charge. Usually takes between 3 to 6 weeks to be made and shipped over to UK.

    How it Works?

    Step 1

    Order the Product and Receive Email with Order confirmation

    Step 2

    Update on your Delivery Date with Message or Call

    Step 3

    Wait for Your Order to Arrive

    Step 4

    Arange people to help you load of the skylight

    Step 5

    Accept your Delivery with our Drivers or Book Suitable Delivery Date with Depot.

      Exchange or Return of Goods

      A 25% restocking fee will be charged on all returned merchandise, unless defective.
      Skylights1.com is not responsible for any labor costs, which occur as the result of the installation of wrong or defective parts. If your shipment arrives and appears damaged please inspect the package thoroughly and if the contents appear damaged please refuse the shipment. We will do everything we can to have a new order rushed out to you. Return ship fees are the responsibility of the customer. Refunds for returned items are processed within 10 working days.

      Before placing an order, please make sure that you have chosen the correct unit size and have consulted your roofer in advance. If you have purchased the wrong size(s), we will have to cancel and refund the whole order. In this case we will deduct up to 5% transaction fee and in the cases when we have already sent your order, we will also deduct the return shipping fees. Please keep in mind that refunds are processed within 10 working days after units are returned to our warehouse.

      The following items may be returned for a refund within 15 days of purchase:

      • Merchandise that has not been removed from its original packing.
      • Defective merchandise.
      • Merchandise that was mispacked or was not shipped correctly.
      • Merchandise that has not been installed. 
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      Download Brochure
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      Flat Roof
      Frameless Triple Glazed
      Skylights In Stock

      Internal Size (quoted)External Size
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      Custom size calculator - 300 - 3000 mm
      Custom size calculator - 300 - 5800 mm
      1500x1500mm Extra Large Triple Glazed Square Rooflight

      KingsView™ 1500 x 1500 mm Extra Large Architectural Square Rooflight

      The KingsView™ 1.5m x 1.5m is our premier extra-large square skylight, designed to act as a stunning architectural centerpiece for modern extensions and open-plan living. At this scale, maintaining structural tension is essential. While standard 1.5m units can suffer from center-deflection, our series utilizes Reinforced Dual 8mm Toughened Glass to provide a perfectly flat “infinity” aesthetic with zero compromise on safety.

      Triple Glazed Specification (Reinforced Build):

      Our square rooflights are composed of three distinct reinforced glass layers, engineered for maximum durability and thermal efficiency:

      • Top Layer: 8 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
      • Middle Layer: 6 mm iplus Thermally toughened glass with Low-E coating EN 12150
      • Bottom Layer: 8 mm Planibel Clearlite / Thermally toughened glass BS EN 12150

      Technical Drawing 1500 x 1500 mm Square Rooflight

      Why Choose Our 1.5m Square Frameless Windows

      • Unmatched Energy Efficiency: Achieve an outstanding 0.9 W/m²K U-value. Our triple-glazed units with warm-edge spacer technology and 90% Argon-filled cavities keep your space warm in winter and cool in summer.
      • Unobstructed “Glass-to-Sky” Views: The frameless design maximizes natural light penetration, offering a massive square portal to the sky without internal frame clutter.
      • Sunlight-Activated Self-Cleaning: Standard on all extra-large units to ensure effortless maintenance on expansive, hard-to-reach roof spans.
      • Acoustic & UV Shield: High-performance 39dB noise reduction and advanced UV filters protect your home from external noise and interior fading.
      • Regulation Compliant: Fully meets British Standards & Building Regulations and carries the UKCA safety marking.

      Complete Your Extra-Large Installation

      Everything you need for a professional skylights flat roof installation:

      Skylight Blinds 1500x1500mm
      Custom-fit blinds for precise light control and privacy in your square unit.
      1500x1500mm Installation Kit
      Comprehensive kit required for a secure, watertight structural fit.

      Essential Accessories for Optimal Performance:

      • Foam Rope (9mm Thick): Structural glazing tape for superior sealing and crucial support.
      • DOWSIL™ 791 Weatherproofing: High-performance sealant for a permanent watertight finish.
      • Self-Cleaning Liquid Smart Glass: Restore and maintain the factory self-cleaning coating with ease.

      Full Product Specification

      Internal Size (Opening) 1500 x 1500 mm
      External Glass Size 1700 x 1700 mm
      Glass Construction Reinforced Dual 8mm Toughened (Triple Glazed)
      Net Weight 110.85 kg
      U-Value 0.9 W/m²K
      Recommended Pitch 8° – 10° (Optimal for Square 1.5m Spans)

      🗺️ Where to Buy 1500 x 1500 mm Roof Lights Near Me

      Looking for a 1500 x 1500 mm (1.5 x 1.5 m) extra-large skylight near you? This bold square format is the perfect modern daylight solution for residential extensions. We manufacture frameless rooflights direct from our EU factory, providing high-spec glazing with 5-star rated reliability.

      ✅ UKCA Certified | ✅ 20-Year Warranty | ✅ Custom Sizes & Bespoke Finishes

      Logistics Note: This is a heavy unit (110.85kg). Delivery is kerbside only; please ensure adequate manpower or lifting equipment is available on-site for offloading.

      Download our full product catalogue or Contact us today to discuss your project!

      Weight110.85 kg
      Dimensions175 × 10 × 175 cm
      BrandKingsView
      Internal Size1500 x 1500 mm
      External Size1700 x 1700 mm
      Glazing Type
      Glass Tint
      Self-Cleaning:Yes
      Roof TypeFlat Roof, Pitched Roof
      Skylight TypeFrameless
      Top Glass Pane:8 mm Planibel Clearlite / Thermally toughened glass EN 12150
      Air Gap16 mm Argon 90%
      Middle Glass Pane:6 mm iplus 1.1 pos.5 Thermally toughened glass with Low-E coating EN 12150
      Air Gap16 mm Argon 90%
      Bottom Glass Pane:8 mm Planibel Clearlite / Thermally toughened glass EN 12150
      Spacer Type15mm Black Warm Edge
      U value0.9 [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 : SC0.66
      Selectivity1.26
      UV transmission : τuv [%]

      5 reviews for 1500x1500mm Extra Large Skylight — Reinforced Triple Glazed Rooflight — No Water Pooling — 0.9 U-Value

      1. Isabella Thomas –

        I was looking for high-quality roof windows for my parents’ home renovation project in Newcastle, and this company delivered exactly what I needed. The skylights are durable, stylish, and have completely transformed our living space.

      2. Simon Patterson –

        The addition of a skylight has made our living room the heart of our home. The natural light enhances the decor and creates a warm, welcoming atmosphere.

      3. Eoghan McManus –

        The flat roof skylight is perfect for our Edinburgh home. It adds light to the once-dull hallway and has really changed the atmosphere of the house.

      4. Scott Kent –

        Exceeded our expectations both in build and appearance.

      5. Amy Jones –

        The roof window changed the feel of our entire space.

      Add a review

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      TECHNICAL GUIDE

      Step-by-Step Installation

      Ensure your project meets British Building Regulations with our verified fitting process

      01

      Structural Prep

      The upstand opening must allow for a 5mm tolerance on each side. The internal distance must be 10mm larger than the quoted size.

      02

      Support Timber

      Install 25x50mm timber support. Ensure the top of the support for triple glazed units is exactly 42mm below the upstand top.

      03

      Seal & Level

      Apply foam rope on the timber support to level discrepancies and prevent glass cracking. Failure to use foam rope voids your warranty.

      Pro Tip: Use DOWSIL 791 Weatherproofing Sealant. DO NOT use acrylic sealants as they cause loss of adhesion and leaks.
      Watch Installation Videos Download Full PDF Guide

      Transform your home with our triple-glazed flat roof skylights, maximizing natural light and thermal efficiency. Pair them with our separately sold Insulated Upstand, featuring 40mm core insulation to cut heat loss and lower energy costs.

      The Direct Advantage

      Elite glazing expertise and factory-backed support at every stage.

      ⚡

      Rapid Logistics

      Free UK shipping & next-day dispatch.

      🏭

      Manufacturer Direct

      Direct accountability & elite integrity.

      🛡️

      20-Year Security

      Structural warranty & secure checkout.

      🧰

      Technical Aftercare

      Dedicated support for every spec.

      Our Roof Windows in Action

      Photos from completed projects by our clients

      flat-roof-skylights-frameless-window-regal-glass-new-gallery-image.jpg
      frameless-fixed-skylight-triple-glazed-roof-window-regal-3.jpg
      frameless-fixed-skylight-triple-glazed-roof-window-regal2.jpg
      fixed-skylight-frameless-rooflight-roof-window-var2.jpg
      fixed-skylight-frameless-rooflight-roof-window-var9.jpg
      frameless-fixed-skylight-triple-glazed-roof-window-regal-glass.jpg
      frameless-fixed-skylight-triple-glazed-roof-window-regal4.jpg
      what-should-you-consider-when-choosing-a-skylight.jpg

      Why Choose Our Insulated OSB Upstands?

      osb-upstand-for-flat-roof-skylight-google-image-small-sizes.jpg
      transperant-view-OSB-upstand-for-flat-roof.jpg
      osb-upstand-for-flat-roof-skylight-google-image-big-sizes.jpg

      Perfect Pitch for Water Drainage

      Built-In 6° Pitch for perfect drainage

      Exceptional Insulation

      High Insulation with 40mm core and 15mm OSB

      Ready-to-Install, Precision-Cut Fit

      Factory-made to match our skylights exactly

      Brighten Your Home & Save More – Bundle & Save!

      Upgrade with our triple-glazed flat roof skylights for maximum light and energy efficiency.
      Add the Insulated Upstand and save up to 7% with our bundle offer!

      ✔️ Boost thermal performance
      ✔️ Cut energy costs
      ✔️ Enjoy lasting durability

      Get the complete solution at a better price – bundle today!

      Get a Bundle with extra 7% Discount on Skylight and Upstand

      -43% -39%
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      1500x1500mm Extra Large Skylight — Reinforced Triple Glazed Rooflight — No Water Pooling — 0.9 U-Value

      Original price was: £ 1.569.00.Current price is: £ 890.09. incl. VAT

      KingsView™ 1500x1500mm (Internal Size) Extra Large Square Skylight

      Make a bold architectural statement with our 1.5m x 1.5m frameless rooflight. Specifically engineered for large kitchen extensions and modern open-plan living, this premium square unit fits a 1500x1500mm internal structural opening, providing a massive "glass-to-sky" view while delivering the highest levels of thermal safety.

      Why the KingsView™ 1.5m Square Series Excels:

      • Anti-Sag Engineering: Spanning 1.5 metres requires superior glass tension. We use Reinforced Dual 8mm Toughened Safety Glass (Top & Bottom) to prevent "glass bowing." This heavy-duty construction ensures a perfectly flat profile and Zero Water Pooling for total structural peace of mind.
      • Superior Thermal Shield: Achieve an incredible 0.9 W/m²K U-Value. This triple-glazed unit is fully Building Regulations compliant (Part L), keeping your home exceptionally warm in winter and cool in summer.
      • Acoustic & Smart Glass: Blocks up to 39dB of external noise and features Sunlight-Activated Self-Cleaning technology—ensuring your expansive view remains spotless with minimal maintenance.
      • Certified Strength: Rated for high wind and snow loads, fully UKCA Certified, and backed by an industry-leading 20-Year Warranty.

      Critical Specifications:

      Internal Size 1500 x 1500 mm (Structural Opening)
      Glass Build Reinforced Dual 8mm Toughened (Triple Glazed)
      Performance 0.9 U-Value | 39dB Sound Insulation
      Unit Weight Approx. 110.8kg
      Installation Min. 8°–10° Pitch Recommended for Run-off

      — Delivery & Pitch Note:

      To ensure the 1.5m span remains free of standing water, a minimum pitch of 8°–10° is required. Delivery is Kerbside Only (110.8kg); appropriate manpower or lifting equipment must be available on-site for offloading.

      The perfect modern solution for large extensions and open-plan living. Designed to meet strict UK Building Regulations for safety and heat retention.

      -23% -17%
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      Inclined Insulated Upstand for Flat Roof Skylight 1500 x 1500 mm

      ,
      Original price was: £ 335.53.Current price is: £ 260.04. incl. VAT
      • 15mm OSB
      • 40mm core cavity insulation
      • 6 degrees natural incline across the short side
      • Suitable for cold and warm roofs
      • Compatible with all roof coverings
      • Precision-engineered sizes
      • Available off the shelf
      Quick view
      Add to wishlist

      Installation kit for 1 x Flat Roof Skylight 1500x1500mm

      £ 88.60 incl. VAT
      • Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml  - 4pcs
      • Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls) - 1pcs
      This kit is for one skylight window. With our all-in-one kit, you can save time and effort by not having to calculate which accessories and how many pieces you need for your installation. We recommend these products as fully compatible with our glazing unit, ensuring a secure and reliable installation.
        Original price was: £ 1.569.00.Current price is: £ 890.09. incl. VAT
        Original price was: £ 335.53.Current price is: £ 260.04. incl. VAT
        £ 88.60 incl. VAT
        Original price was: £ 1.988.53.Current price is: £ 1.234.13. incl. VAT
        For 3 items

        Why Choose Our Skylight Blinds?

        Smart Light Control for Every Room

        With blackout or translucent options

        Durable Design

        Lasting Quality with cellular fabric and Somfy motors

        Custom-Made

        Made to Measure for a seamless skylight finish

        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.

        FAQ

        What’s the U-value and how energy efficient is it?

        Our triple-glazed models offer U-values as low as 0.9 W/m²K (whole unit), helping you meet Part L regulations and reduce heat loss.

        Does it come with self-cleaning glass?

        Yes. All our skylights come with self-cleaning glass as standard to reduce dirt buildup.

        Can I order custom sizes?

        Yes. We offer made-to-measure rooflights to fit your exact requirements. Contact us for a custom quote.

        Is it really leak-proof?

        Yes. When installed with our official flashing kit and according to instructions, it is guaranteed to be watertight. 

        Is the glass safe and shatterproof?

        Absolutely. Each unit uses toughened outer and laminated inner glass that complies with UK safety standards (EN12150 / EN14449).

        How long is the warranty?

        We offer a 20-year guarantee on the glazing unit.

        Reviews

        5 reviews for 1500x1500mm Extra Large Skylight — Reinforced Triple Glazed Rooflight — No Water Pooling — 0.9 U-Value

        1. Isabella Thomas –

          I was looking for high-quality roof windows for my parents’ home renovation project in Newcastle, and this company delivered exactly what I needed. The skylights are durable, stylish, and have completely transformed our living space.

        2. Simon Patterson –

          The addition of a skylight has made our living room the heart of our home. The natural light enhances the decor and creates a warm, welcoming atmosphere.

        3. Eoghan McManus –

          The flat roof skylight is perfect for our Edinburgh home. It adds light to the once-dull hallway and has really changed the atmosphere of the house.

        4. Scott Kent –

          Exceeded our expectations both in build and appearance.

        5. Amy Jones –

          The roof window changed the feel of our entire space.

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