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Premium Toughened Glass Rooflights for Homes
Brighten your living space with a custom-engineered toughened glass rooflight, professionally surveyed and installed from start to finish by Bowalker’s dedicated in-house team. Choose a style tailored to your home extension or renovation project. Every toughened glass rooflight installation is backed by our 10-year insurance guarantee, with FENSA registration (33081) applying to qualifying replacement work.
- Dimensions Max size 2.5M high x 1.5M wide
- Thermally Broken As standard
- Glass Toughened Glass (double or triple glazed)
Certifications and Partners
Professional Toughened Glass Rooflight Installation Services
Serving homeowners since 2009, Bowalker delivers professional toughened glass rooflight installation and replacement services for home extensions, kitchens, and modern living areas. Our FENSA-registered professionals (33081) handle complete property surveys, precise measurements, and expert in-house installations, offering fixed or opening designs alongside double or triple glazing configurations tailored to your specific project needs.
Every toughened glass rooflight we install is engineered to ensure long-term weather resistance, structural strength, and outstanding thermal efficiency. Depending on your exact requirements, installations can incorporate sleek architectural profiles, high-performance double or triple glazing, argon-filled units, thermal breaks, and manual or motorised opening mechanisms for effortless airflow, all protected by a durable, bespoke powder-coated finish.
Call Bowalker on 01444 810 111 to arrange your free consultation and receive a no-obligation quotation. Qualifying replacement work can be certified under our FENSA registration (33081), while installations are supported by our 10-year insurance-backed guarantee, subject to its terms.
Materials
uPVC
Timber
Standard Hardware
Chrome
Satin
Gold Knob
Antique Black Knob
Standard Colours
Smooth White
Cream
Painswick Grey
Chartwell Green
Anthracite Grey
Irish Oak
Dual Colour
Paint to Order
Glass
Triple Glazed
Satin
Astragal Bars
Standard Layouts
Single
Double
Triple
Types of Toughened Glass Rooflights We Install and Replace
Toughened Glass Flat Glass Rooflights
Toughened Glass Flat Glass Rooflights
Designed with clean lines and low-profile glazing, toughened glass flat rooflights bring natural daylight into contemporary extensions, kitchens and living spaces. Their flat-glass appearance complements modern roof designs, while toughened safety glass provides greater impact and thermal stress resistance than standard annealed glass. Bowalker’s in-house installers install and replace toughened flat glass rooflights with suitable roof pitches, weatherproof seals and thermally efficient glazing units to support reliable drainage, insulation and long-term performance.
Learn More →Toughened Glass Pyramid Rooflights
Toughened Glass Pyramid Rooflights
Featuring inclined glass panels that converge at a central apex, toughened glass pyramid rooflights create a distinctive architectural feature while directing natural daylight into the room below. Their multi-angled construction combines toughened safety glazing with supporting frames, hip rafters and weather-resistant joints. Our in-house team installs and replaces pyramid rooflights using carefully measured glazing panels, secure structural connections and appropriate flashing systems to achieve a weather-tight finish suited to your roof opening.
Learn More →Toughened Glass Roof Lanterns
Toughened Glass Roof Lanterns
Raised above the roof surface, toughened glass roof lanterns combine pitched glazing panels with an elevated frame structure to introduce daylight into kitchens, dining areas and open-plan extensions. Toughened glass can form part of double- or triple-glazed units, with Low-E coatings and thermally broken frames available according to the selected system. Bowalker’s in-house team installs and replaces roof lanterns, carefully fitting the perimeter upstand connections, glazing bars, ridge components and weatherproof seals to support structural stability and thermal performance.
Learn More →Toughened Glass Barrel Vault Rooflights
Toughened Glass Barrel Vault Rooflights
Featuring a graceful, curved profile, toughened glass barrel vault rooflights span expansive roof openings to provide sweeping, continuous overhead daylight. Their strong framework effortlessly maintains this unique geometric form while supporting curved glass panels across wide expanses. Bowalker’s dedicated in-house team handles the installation and replacement of these systems using precision-engineered glass, weather-tight seals, and heavy-duty components customised precisely to your specifications.
Learn More →Toughened Glass Multi-Pane Rooflights
Toughened Glass Multi-Pane Rooflights
Spanning large architectural footprints, our toughened glass multi-pane rooflights combine multiple individual glazing segments within a robust, interconnected framework to deliver maximum overhead daylight. This modular configuration provides exceptional versatility for expansive flat or low-pitch roofs on modern extensions and commercial-style residential projects. Bowalker’s in-house professionals expertly install and replace these multi-pane assemblies, ensuring weather-sealed joints, secure structural loads, and high-performance thermal efficiency across the entire span.
Learn More →Toughened Glass Aluminium Rooflights
Toughened Glass Aluminium Rooflights
Combining exceptional structural strength with slender, elegant sightlines, toughened glass aluminium rooflights offer a contemporary framing solution that maximises glass area and natural light. Aluminium's inherent rigidity allows for expansive designs without heavy framing bulk, while its corrosion-resistant properties guarantee long-lasting durability. Bowalker’s in-house team expertly installs and replaces these aluminium systems, incorporating advanced thermal breaks and secure weather seals to deliver an energy-efficient, stylish overhead glazing solution for your home.
Learn More →Toughened Glass Frameless Rooflights
Toughened Glass Frameless Rooflights
Characterised by an all-glass structural appearance, frameless or structural toughened glass rooflights minimise visible framework to deliver uninterrupted, panoramic sky views. Engineered entirely from high-strength safety glass, these systems create a sleek, modern aesthetic that floods interiors with daylight. Our professional in-house team handles the precise installation and replacement of these structural configurations, utilising high-grade structural silicone, weather-tight seals, and secure edge restraints to ensure safety, weatherproofing, and a flawless visual finish.
Learn More →Toughened Glass Fixed Rooflights
Toughened Glass Fixed Rooflights
Designed without any operable components, fixed toughened glass rooflights supply abundant overhead daylight to areas where ventilation is not needed. Their stationary build allows the framing, safety glazing, and perimeter seals to create a completely secure, weather-tight glazing system ideal for modern kitchens, home extensions, stairwells, and living spaces. Bowalker’s in-house team professionally installs and replaces fixed toughened glass rooflights using high-grade safety glass, weather-resistant sealing components, and robust frame fixings customised precisely to your structural aperture and project specifications.
Learn More →Toughened Glass Opening Rooflights
Toughened Glass Opening Rooflights
Blending expansive overhead daylight with controllable ventilation, opening toughened glass rooflights let fresh air circulate naturally into your home via an operable glazed section. Depending on the chosen design, these opening configurations can incorporate smooth manual winders or advanced automated motorised mechanisms for effortless climate control. Our in-house team installs and replaces opening toughened glass rooflights with reliable operating hardware, secure locking systems, weather-tight perimeter seals, and premium framing, ensuring each setup is perfectly engineered to meet the ventilation and aesthetic needs of your living area.
Learn More →Toughened Glass Sliding Rooflights
Toughened Glass Sliding Rooflights
Delivering a luxurious architectural statement, sliding toughened glass rooflights feature a movable glazed panel that glides smoothly over a fixed track to open up substantial portions of the ceiling to the outdoors. These dynamic systems transform indoor spaces by offering maximum fresh air intake, easy roof access potential, and an open-air feel. Bowalker’s dedicated in-house team installs and replaces sliding glass rooflights using precision-engineered tracks, heavy-duty motorised carriages, weather-sealed joints, and robust safety glass, ensuring seamless operation, reliable waterproofing, and long-lasting structural performance.
Learn More →Not Sure Which Toughened Glass Rooflight Suits Your Home? Talk to our team →
Why Homeowners Choose Bowalker for Toughened Glass Rooflight Installation
10-Year Insurance-Backed Guarantee
FENSA Registered for Qualifying Replacement Rooflight Work
Hassle-Free, Full-Service Experience
In-House Installers With No Subcontractors
Fixed Pricing With No Surprises
Toughened Glass Rooflight Project Gallery
What Are the Benefits of Installing Toughened Glass Rooflight?
Toughened glass rooflights combine increased impact resistance, improved tolerance to thermal stress and safer breakage characteristics, making them suitable for residential overhead glazing when correctly specified. Available in various rooflight styles and double or triple glazing configurations, they introduce natural daylight into kitchens, extensions and living spaces while supporting thermal performance, weather protection and bespoke architectural designs.
8 key benefits of installing a toughened glass rooflight are:
Greater Resistance to Impact Than Standard Annealed Glass
Toughened safety glass undergoes a specialised thermal tempering process, making it up to five times stronger than standard glass and highly resilient against falling debris, adverse weather, and physical impacts.
Better Resistance to Thermal Stress
The specialised heat-treatment of toughened glass allows it to handle extreme temperature fluctuations between intense direct sunlight and cold exterior air without risk of cracking under thermal stress.
Safer Breakage Behaviour
If exceptionally heavy force ever causes breakage, toughened glass shatters into countless small, relatively harmless granular chunks rather than sharp, dangerous shards, prioritising household safety.
Allows Large Areas of Natural Daylight
Engineered with minimal framing requirements, toughened glass rooflights flood dark rooms, kitchens, and open-plan living extensions with expansive, unobstructed streams of natural daylight.
Supports Double and Triple Glazing Configurations
Fully compatible with both double and high-performance triple glazing units, these rooflights can be tailored precisely to match your home's desired thermal insulation targets.
Compatible With Low-E and Solar-Control Glass
Easily paired with Low-E (low-emissivity) coatings and solar-control glass panes to effectively retain interior warmth during winter while reflecting excess solar heat in summer.
Suitable for Bespoke Rooflight Designs
Highly versatile in fabrication, toughened glass can be tailored into customised flat, pyramid, lantern, or multi-pane configurations to suit unique architectural layouts.
Provides Strong, Durable Overhead Glazing
Combining high-strength safety glass with robust edge seals and structural framework, these rooflights deliver long-lasting, dependable overhead weather protection and peace of mind.
How to Get Started With Toughened Glass Rooflight Installation at Bowalker?
Start your toughened glass rooflight installation or replacement project with Bowalker by scheduling a free consultation and a precise measured survey of your property’s roof aperture. Our dedicated in-house rooflight professionals evaluate your architectural style, roof dimensions, structural upstand requirements, glazing selections, and preferred opening mechanism before recommending the ideal toughened glass specification. We then provide a clear, no-obligation quote and coordinate a seamless installation through our experienced in-house installation team.
- Book Your Free Consultation
- Receive Your No-obligation Quote
- Proceed To Installation
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Areas we Serve
Bowalker delivers professional toughened glass rooflight installation and replacement services throughout Sussex, Surrey, and surrounding regions. Our dedicated in-house team oversees every stage from initial survey and specification to expert fitting and final inspection, providing custom-tailored rooflight solutions for homeowners across all our local service areas.
What Our Happy Customers Say
We have had a front door and side panel installed,Team Tim did a great job and were very professional and knowledgeable. Wouldn’t hesitate to recommend the company and this team to any one !
Simon and Brandon fitted our three windows in our garage > studio conversion and were great through the day. Arrived when they said they would, were very polite, respectful and pleasant people. Found answers to questions we didn’t realise about the installation and though we haven’t yet finished the project the windows are a very exciting and big step forward for us. Would recommend this company and this team without hesitation. Thank you!
Had a problem with our door which was installed 3 years ago - Bowalker - Dean - came to site within 24 hours and helped resolved- thank you ! Very pleased with professional and prompt service
Excellent service from a local independent company. Highly recommend.
I had replacement windows installed. Design and advice was good and cost was competitive. Installation was started in a good time to a good standard.
Bowalker have been incredibly helpful and provided me with extremely useful information about the windows and doors at a property I moved into, previously supplied by them. Great customer service, really recommend
Bowalker replaced all of our windows and patio doors in November. They are very efficient and got the job done in the pouring rain but did it quick and professionally. We had a couple of teething issues with the doors after completion and they did not hesitate to come out and rectify the issue. Excellent customer service and a friendly team. Would highly recommend
We had a total of 6 windows fitted at end of June 2025 (2 bathroom(frosted), 1 hallway,1 dining room and two big bay windows complete with 2 window boards). Took 5 days in total as bay windows were load bearing ,the window boards were not in warehouse so took extra time to arrive and fit , the silicone/mastic finish wasn’t great and they cut one end of a window board wrong , but after a telephone call a new team of fitters came out and rectified the mistakes of original fitters that we had noticed , a window pane had got scratched in delivery so they replaced that as well. This was a big job that entailed some mistakes but over time was rectified by bowalker windows by sending out another team of fitters to fix some minor mistakes of original fitters . We went on a recommendation from a work colleague who had used Bowalker windows in the past as were very good. Maybe just improve your fitters mastic silicone skills a bit more but is is an old house of 110 years and nothing is level in this house
As a property developer operating across Brighton and Hove, I rely on trusted trades who consistently deliver — and Bowalker Windows Ltd, led by Zack Newman, is one of those partners. We specify their windows across all our developments because their products meet the high standards our clients expect, installations are completed on schedule, and site coordination with our contractors is seamless. Zack is responsive, pragmatic, and straightforward about lead times and costs, which makes planning and handovers far easier. Their workmanship is excellent, energy-performance claims are reliable, and they stand behind their warranty. Competitive pricing, professional teams, and reliable aftercare mean we’ll continue to use Bowalker Windows on future projects. Highly recommended for any developer or home owners in the Brighton & Hove area.
Meet Our Team
Bowalker provides professional toughened glass rooflight installation services across Sussex, Surrey and London, delivering high-quality, premium rooflights with precision and care. Our team ensures consistent workmanship, reliable installation and continuous support for homeowners throughout these regions.
Zack Newman
Director
Anthony Bowyer
Senior Surveyor
Dean Lloyd
Operations Manager
Angela Georgant
Financial Controller
Jack Harsford
Installer
Leon Prichard
Installer
Tim Cooper
Installer
Lloyd Walker
Installer
Tim Fraser
Installer
Brandon Bowyer
Installer
Zack Newman
Director
Anthony Bowyer
Senior Surveyor
Dean Lloyd
Operations Manager
Angela Georgant
Financial Controller
Jack Harsford
Installer
Leon Prichard
Installer
Tim Cooper
Installer
Lloyd Walker
Installer
Tim Fraser
Installer
Brandon Bowyer
Installer
See Our Work In Action
- Doors
- Rooflight
- Doors
- Windows
Ready To Get Started With Bowalker Toughened Glass Rooflight?
Transform an existing roof opening or complete your new extension with a toughened glass rooflight specified around your property and project requirements. Bowalker provides a fully managed installation and replacement service, with our in-house team helping you choose the right rooflight style, dimensions, glazing, and fixed, opening, or sliding configuration before completing the fit.
Call 01444 810 111 today to book your free consultation and receive a no-obligation quote. From surveying and measuring the roof opening to selecting the glazing, fitting the toughened glass rooflight, completing weather sealing, and carrying out final checks, our in-house team manages every stage of your project.
Add strength, safety and natural daylight to your home with our premium toughened glass rooflights, contact us today.
Frequently Asked Questions
Do I Need Planning Permission for a Toughened Glass Rooflight?
You generally do not need planning permission for a toughened glass rooflight in England if the installation qualifies under Permitted Development Rights. However, planning permission may be required if the rooflight projects more than 150mm beyond the original roof slope, extends above the highest part of the original roof, or falls outside the permitted development conditions. Flats, listed buildings, and properties subject to Article 4 Directions may have additional restrictions. Check with your Local Planning Authority (LPA) before installation.
Does a Toughened Glass Rooflight Fall Under Permitted Development?
Yes, a toughened glass rooflight falls under permitted development rights in the UK (specifically under Class C of the General Permitted Development Order), provided it does not project more than 150mm from the roof surface, is no higher than the highest part of the roof, and does not face onto a highway where side-facing windows might be restricted. Any project exceeding these criteria will require a standard planning application.
Do Building Regulations Apply to Toughened Glass Rooflights?
Yes, Building Regulations apply to toughened glass rooflights in England, particularly when installing a new unit, modifying the roof structure, or replacing an existing rooflight. Relevant requirements include Part A (Structure), Part B (Fire Safety), Part C (Resistance to Moisture), Part K (Protection from Falling and Impact), and Part L (Conservation of Fuel and Power). Depending on the installation, ventilation requirements under Part F may also apply. New installations generally require Building Control approval, while qualifying replacements can be registered through a competent person scheme.
What Building Regulations Apply When Creating a New Rooflight Opening?
Creating a new rooflight opening generally requires Building Regulations approval because cutting through an existing roof can affect structural support, insulation, weather resistance, and fire performance. Under Part A of the Building Regulations 2010, the modified roof must support the relevant loads, including the rooflight’s weight. Part L covers thermal performance, while Part C addresses moisture resistance. Structural calculations and suitable supports, such as strengthened rafters, joists, or trimming members, may be required. The proposed work should be assessed through Building Control before structural alterations begin.
Can a Toughened Glass Rooflight Be Installed in a Conservation Area?
Yes, a toughened glass rooflight can be installed in a conservation area in England, provided it meets applicable planning requirements and preserves the area’s character and appearance. Permitted development rights may still apply, although local Article 4 Directions can remove certain allowances. Councils may assess the rooflight’s visibility, positioning, frame design, glazing appearance, and projection above the roof. Low-profile installations on less prominent roof slopes may be more acceptable. Homeowners should consult their Local Planning Authority before proceeding.
Do I Need Listed Building Consent for a Toughened Glass Rooflight?
Yes, Listed Building Consent (LBC) is required when installing a toughened glass rooflight on a listed building if the work affects its special architectural or historic character. Under the Planning (Listed Buildings and Conservation Areas) Act 1990, consent must be obtained before carrying out alterations that affect that character. This can include new roof openings or changes to historic roof materials. Planning permission may also be required separately. Carrying out work requiring Listed Building Consent without approval is a criminal offence.
Are There Restrictions on Rooflight Position, Size or Projection in Protected Properties?
Yes, rooflight position, size, and projection may be restricted in listed buildings, conservation areas, and properties subject to Article 4 Directions. Planning authorities assess whether proposed installations would adversely affect historic rooflines, original materials, architectural details, or street-facing elevations. Under Class C permitted development rules in England, qualifying rooflights must not project more than 150mm beyond the original roof slope or exceed the original roof’s highest point. Protected properties may require additional planning or heritage approval even when these dimensions are met.
Does a Replacement Toughened Glass Rooflight Need Building Regulations Approval?
Yes, replacing a toughened glass rooflight is generally subject to Building Regulations in England, even when the new unit fits the existing opening. Replacement glazing must meet applicable requirements for thermal performance, glazing performance, and other relevant building standards. However, a separate Building Control application may not be necessary when the installation qualifies for registration through FENSA or another authorised competent person scheme. Replacements involving enlarged openings or structural alterations generally require a separate Building Control route.
Can a Replacement Toughened Glass Rooflight Be FENSA Certified?
Yes, a replacement toughened glass rooflight can be FENSA certified only if it is a full direct replacement of an existing rooflight or roof window in an existing domestic building (under 18 metres high) and installed by a FENSA-registered contractor like Bowalker, saving you the time and cost of a separate local authority building control notice.
When Does Rooflight Replacement Fall Outside FENSA Certification?
Rooflight replacement falls outside FENSA certification when the work involves new openings, structural alterations, or non-residential properties rather than a direct like-for-like replacement. In these scenarios, a formal building control application or independent local authority inspection is required to sign off on the structural and thermal changes.
What Safety Requirements Apply to Toughened Glass Rooflights?
Toughened glass rooflights must comply with UK Building Regulations, British Standards, and industry guidelines regarding inner pane selection, height restrictions, and load-bearing safety. This typically mandates the use of toughened safety glass or laminated inner panes to prevent injury from falling objects or accidental impact from inside or outside the property.
Is a Toughened Glass Rooflight Classed as Non-Fragile?
A standard toughened glass rooflight is not automatically classed as non-fragile. While toughened glass offers high impact resistance against falling debris or adverse weather, specialised non-fragile ratings (which can withstand the weight of a person falling onto them) require specific multi-layer laminated glass configurations and heavy-duty structural framing.
Does a Walk-On Toughened Glass Rooflight Need a Different Specification?
Yes, a walk-on toughened glass rooflight needs a completely different and much stronger specification than a standard flat rooflight, as it must support continuous pedestrian foot traffic. These systems use multi-laminated thick glass panes, specialised anti-slip top surfaces, and engineered structural framing capable of bearing heavy live loads safely.
What Thermal Performance Requirements Apply to Toughened Glass Rooflights?
The thermal performance of toughened glass rooflights is measured by a U-value (the rate of heat loss in W/m²K, where lower numbers mean better insulation). Building Regulations enforce strict maximum U-value limits for overhead glazing to prevent excessive domestic heat loss, which modern double or triple-glazed units with thermally broken frames easily achieve.
Does the Roof Structure Need to Be Strengthened for a New Rooflight?
Yes, installing a new rooflight usually requires strengthening or altering the roof structure because cutting through ceiling joists or roof rafters transfers weight loads onto adjacent timbers. A professional structural assessment and the installation of trimming joists or headers are typically required to safely redistribute the roof load.
Are There Fire-Safety Requirements for Rooflights Near a Property Boundary?
Yes, rooflights located near a property boundary or a compartment wall are subject to specific fire-safety requirements under Building Regulations (Approved Document B in England and Wales, or equivalent technical standards in Scotland and Northern Ireland). These rules dictate the proximity limits and fire-rated glass specifications to prevent the spread of flames between neighbouring properties.