Fixed Rooflights & Roof Windows

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For those areas which do not require additional ventilation, but would benefit from all the natural light brought to the room, our range of fixed rooflights and skylights are the perfect solution. Offering fantastic energy and money saving potential, our range of fixed roof windows allows you to explore the possibilities of light and space with smart sleek looks and minimal styles. Fixed flat roof windows are not suitable for a pitched roof but ideal for use on a flat roof.

Fixed Products

Up to 15% Discount on this Coxdome Polycarbonate Rooflight

Coxdome Galaxy dome rooflights are available in either double, triple or quad glazed options and they have a horizontal flange of 100 mm that comes undrilled compete with security fixings with white glazing tape enabling the rooflight to be positioned over existing kerbs at varying dimensions and of varying width. Wide Variety of Skin Types Available in both Triple and Double Skins Dome finishes Available in Clear or Diffused Lots of Sizes Available A wide variety of Roof Opening Sizes available. Security fixings included free of charge

From Just:

£118.33 Ex VAT (£142.00 Inc VAT)

Mardome Reflex polycarbonate dome rooflight only to fit to an existing kerb. 70mm wide fixing flange which is supplied undrilled, for effective, custom fitting. A wide array of selectable options available below. Wide Variety of Skin Types Available in Single Double & Triple Skins Lots of Sizes Available A wide variety of Overall Kerb Sizes available. Finishing Types Available in Clear or Diffused Tamper Proof Fixings Supplied as standard


1 Review

From Just:

£129.17 Ex VAT (£155.00 Inc VAT)

Thermadome UV protected polycarbonate dome only rooflight to suit a builders timber kerb weathered into a flat roof.  Special features include; Various sizes available to suit overall weathered kerb size Wide Variety of Skin Types Available in both Triple and Double Skins Dome finishes Available in Clear or White Opal Diffused High Security fixings & caps supplied free of charge Please note this rooflight only includes the dome and comes with a 50mm wide flat fixing flange with pre drilled fixing holes to the centre of the flange. These units have a 30mm tolerance to the external kerb size ordered.  If you order a 600 x 600 mm unit the measurement to the edge of the weather drip will be 660 x 660 mm.


1 Review

From Just:

£169.29 Ex VAT (£203.15 Inc VAT)
Up to 15% Discount on this Coxdome Polycarbonate Rooflight

Coxdome Trade Range un-ventilated polycarbonate dome rooflight complete with PVC kerb. Special features include; Wide Variety of Skin Types Available in both Triple and Double Skins Dome finishes Available in Clear or Diffused Lots of Sizes Available A wide variety of Roof Opening Sizes available. Security fixings included free of charge

From Just:

£183.33 Ex VAT (£220.00 Inc VAT)

Thermadome circular polycarbonate dome only rooflight to suit a builders timber kerb: Double and Triple skin options available Supplied pre-drilled for simple installation Clear And Opal diffused dome finishes available Security fixings supplied free of charge Please note this rooflight only includes the dome and comes with a 50mm wide flat fixing flange with pre drilled fixing holes to the centre of the flange. These units have a 30mm tolerance to the external kerb size ordered.  If you order a 600mm diameter unit the measurement to the edge of the weather drip will be 660mm.

From Just:

£187.33 Ex VAT (£224.79 Inc VAT)
Up to 15% Discount on this Coxdome Polycarbonate Rooflight

Coxdome Trade Range polycarbonate dome rooflight with trickle ventilation complete with a 150mm high splayed PVC upstand which is designed to fit directly to the flat roof; Wide Variety of Skin Types Available in both Triple and Double Skins Dome finishes Available in Clear or Diffused Lots of Sizes Available A wide variety of Roof Opening Sizes available. Adjustable tumblers used to control air flow

From Just:

£207.50 Ex VAT (£249.00 Inc VAT)

Mardome Trade fixed poycarbonate rooflight with an unventilated PVC kerb. 150mm high splayed PVC kerb Direct fitting to roof deck Generous glazing area they offer up to 33% more daylight Security fixings (supplied) provide a high level of resistance to forced entry


1 Review

From Just:

£222.50 Ex VAT (£267.00 Inc VAT)

Mardome Trade polycarbonate dome with 100mm high vertical white PVC DF kerb and hit & miss vents designed to fit to a builders timber kerb. 100mm high white PVC DF kerb Direct fit to builders timber kerb Manually operated hit & miss vents Huge range of sizes available The above unit is supplied with a 100mm white PVC DF kerb to allow the unit to fit directly to a reccomended 75mm wide builders kerb. The sizes above are external weathered kerb sizes, clearlight size will be less 150mm.

From Just:

£224.17 Ex VAT (£269.00 Inc VAT)
Up to 15% Discount on this Coxdome Polycarbonate Rooflight

Coxdome Trade Range fixed unventilated polycarbonate pyramid rooflight comes complete with a 150mm high splayed PVC kerb which is designed to fit directly to the flat roof.  The 30° thermoformed pyramid provides sleek modern aesthetics at a fraction of the cost of a glass rooflight. Wide Variety of Skin Types Available in both Triple and Double Skins Dome finishes Available in Clear or Diffused Lots of Sizes Available A wide variety of Roof Opening Sizes available. Security fixings supplied as standard

From Just:

£230.00 Ex VAT (£276.00 Inc VAT)

Thermadome Polycarbonate Domed Rooflight un-ventilated with PVC kerb     in a wide variety of options. A versatile offering a wide range of possibilities when installed on your property. Achieving a fantastic and high level of natural daylight through your flat roof, our dome comes in a wide range of sizes, roof opening sizes and finishes. Special features include; Wide Variety of Skin Types Available in both Triple and Double Skins Lots of Sizes Available A wide variety of Roof Opening Sizes available. Finishing Types Available in Clear or White Opal Diffused Security fixings Included for added and extra security.  Our Thermadome product is a fantastic, well rounded polycarbonate skylight allowing home owners the peace of mind with added extra security benefits and thermal insulation via a broad range of skin types and thicknesses. 


2 Reviews

From Just:

£245.59 Ex VAT (£294.71 Inc VAT)

Thermadome Circular un-ventilated dome rooflight with GRP kerb. 150mm high GRP kerb Direct fitting to roof deck for easy installation cost effective natural light solution Security fixings included

From Just:

£289.99 Ex VAT (£347.99 Inc VAT)

Also known as a sun tunnel, our Sun Tube Kits work by focusing daylight from roof level through a reflective tube which can be maneuvered around the roof construction as required.  Our kits are of high quality and each Sun Tube Flexible kit comes with all of the necessary parts and fixings (including instructions) to provide you with easy assembly: 3m Long Flexible Tube Perfect for hard to reach places. Easy-Fit including simple instructions for different roofs. Masses of Light The special reflective coating can bring dark areas to light using 100% natural daylight. Minimal Disturbance - No need to disturb huge areas of roof - Easy fitting to flat & pitched roofs. A very popular Sun Tube Kit utilised by both domestic and commercial customers.

From Just:

£354.17 Ex VAT (£425.00 Inc VAT)

Brings natural light into awkward spaces.

From Just:

£354.41 Ex VAT (£425.29 Inc VAT)

Highly energy efficient, its glass-to-edge design offers undisrupted views and stunning, modern aesthetics. Low U-Values of 1.3W/m2K Thermally broken frame Frame powder coated RAL 7016 Anthracite Grey Good thermal and sound insulation properties

From Just:

£365.00 Ex VAT (£438.00 Inc VAT)

Coxdome Trade Range Circular un-ventilated dome rooflight with GRP kerb. Wide Variety of Skin Types Available in both Triple and Double Skins Dome finishes Available in Clear or Diffused Lots of Sizes Available A wide variety of Roof Opening Sizes available. 150mm high CircularGRP kerb

From Just:

£370.83 Ex VAT (£445.00 Inc VAT)

R&S Fixed Glass Rooflight Top Only is designed to fit directly to a weathered builders timber kerb, this rooflight looks beautiful whilst also being affordable. Simple to install direct to builders weathered timber kerb Fully sealed laminated double glazed unit Aluminium frame powder coated RAL 7016 Thermally broken construction ensures no cold bridging Increased Lead Time Options - Delivered in approximately 25 - 30 working days

From Just:

£386.88 Ex VAT (£464.26 Inc VAT)

Brett Martin Fixed Glass fixed rooflight to suit a builders timber kerb. Beautifully designed contemporary double glazed laminated glass rooflight not only looks appealing but also is highly secure with P4A class resistance to burglary and vandalism for added peace of mind. Fits directly to builders timber kerb Fully sealed laminated double glazed unit Aluminium frame powder coated RAL 7016 Thermally broken construction ensures no cold bridging


1 Review

From Just:

£446.14 Ex VAT (£535.37 Inc VAT)

The Coxdome Flat Glass skylight range distinguishes itself from most other modular units by the uninterrupted glass surface which offers pure natural daylight and clear panoramic views internally whilst providing a clean appearance in the external roof scape. The aluminium frame profile is slim and isolated internally for thermal performance. The toughened outer glass pane has ceramic edge coating for a stylish finish. Lots of Sizes Available A wide variety of Roof Opening Sizes available. Uninterrupted glass surface which offers pure natural daylight Frame Colour Polyester powder coated slate grey (RAL 7015) Security fixings included free of charge

From Just:

£446.25 Ex VAT (£535.50 Inc VAT)

Lunaglaze ALU fixed glass rooflight is a not only beautifully designed edge to edge double glazed skylight but it benefits from the highest level of safety and performance. CWCT Class 1 fully tested Non Fragile rooflight for added safety  Fully Thermally Broken Powder Coated RAL7016 Anthracite Grey Aluminium Frame  Welded glazing frame provides excellent levels of security  14 Stock Size delivered nationwide free of charge

From Just:

£465.51 Ex VAT (£558.62 Inc VAT)

Thermadome flat roof Suntubes are the perfect solution to bring natural light into awkward spaces. Available in various of sizes Standard sizes for fast leadtimes Suitable for flat roofs Complete with a PVC upstand 2m long flexible reflective tube with a bayonet connector. Easy-fit magnetic double glazed ceiling diffuser

From Just:

£474.17 Ex VAT (£569.00 Inc VAT)

R&S Fixed Glass Rooflight with 150mm high splayed PVC kerb. Designed to fit directly to the roof deck, this rooflight looks beautiful whilst also being affordable. 150mm high PVC kerb for simple installation Fully sealed laminated double glazed unit Aluminium frame powder coated RAL 7016 Thermally broken construction ensures no cold bridging The R&S Fixed Glass rooflight with PVC Kerb comes complete with an ingetral roof membraine clip which provides a clean external finish.

From Just:

£494.93 Ex VAT (£593.92 Inc VAT)

If you already have a builders kerb in place and are looking for a cost effective glass rooflight then look no further than the Lunaglaze fixed top only unit. This unit is has a PVC glass construction with fully sealed double glazed unit and is available in 14 stock sizes ensuring a fast delivery turn around. Designed to allow maximum daylight to the area below these units are simple to install to a builders timber kerb.. Various sizes available to suit overall weathered kerb size Pre-finished Anthracite Grey externally Aesthetically pleasing cost effective glass rooflight Laminated double glazed glass unit

From Just:

£503.21 Ex VAT (£603.85 Inc VAT)

This slim and elegant glass roof lantern makes an architectural statement, and floods interior spaces with natural daylight. Designed for quick and easy installation, and with a laminated inner pane as standard for the safety of those below, it makes a stunning addition to living and working spaces. Powder coated aluminium framework RAL 7016 Anthracite Grey externally and white internally as standard (other colours available on request) Stylish and slender frame with clean sight lines and neat junctions Laminated inner pane as standard for the safety of those below Rapid single point delivery in 3 - 5 days from order Solar Control Self Cleaning Glazing supplied as standard

From Just:

£518.05 Ex VAT (£621.66 Inc VAT)

Lunaglaze ALU fixed glass rooflight with supplied vertical 150mm PVC kerb is a not only beautifully designed edge to edge double glazed skylight but it benefits from the highest level of safety and performance. CWCT Class 1 fully tested Non Fragile rooflight for added safety  Fully Thermally broken Powder Coated RAL7016 Anthracite Grey Aluminium Frame  Welded glazing frame provides excellent levels of security  14 Stock Size delivered nationwide

From Just:

£522.86 Ex VAT (£627.44 Inc VAT)

Brett Martin Flat Glass fixed rooflight with 150mm high splayed PVC kerb. Beautifully designed contemporary double glazed laminated glass rooflight supplied with a PVC kerb for direct fitting to the roof deck. Secured by Design Accredited on independently assessed testing in accordance with PAS24:2016 Non Fragile double glazed unit to CWCT TN-67 Class 1 for overhead glass Aluminium frame powder coated RAL 7016 Thermally broken construction ensures no cold bridging      

From Just:

£554.19 Ex VAT (£665.03 Inc VAT)

The Coxdome Lumiglaze fixed rooflight comes complete with vertical PVC kerb which can be fitted directly to the flat roof.  This flat glass rooflight provides pure natural daylight and clear panormaic views.  The Toughened outer glass pane has a ceramic edge coating for a stylish finish and fixing scres are fully concealed beneth a flush cover. Lots of Sizes Available A wide variety of Roof Opening Sizes available. Uninterrupted glass surface which offers pure natural daylight Frame Colour Polyester powder coated slate grey (RAL 7015) Security fixings included free of charge

From Just:

£630.03 Ex VAT (£756.04 Inc VAT)

Astroglaze flat fixed double glazed laminated glass rooflights are designed to fit to a builders timber kerb and are available in a wide range of standard sizes to suit your requirements.  Double Glazed Laminated - Energy Efficient Standard Sizes Available Low Profile Appearance & Design Minimal visible framework increases light With a low profile appearance and unobscured clearlight area these fixed roof window units really have the wow factor and will add a contemporary look to your home.


1 Review

From Just:

£662.50 Ex VAT (£795.00 Inc VAT)

The Wendland PVC Roof Lantern is the perfect choice for those who are cost conscious but do not want to compramise on style.  The key features of this contemporary glass lantern are:  Less bars than other lanterns giving more light Easy-fit clip-on capping & Pre-fitted thermal clips Unique pre-assembled RidgeLOCK system UV resistant thermal internal cap - No visible fixings, small and neat Wendland Roof Lanterns are packed with thermal features to avoid condensation build-up and are also available in a contemporary grey finish Please be aware that our Wendland Roof Lantern are delivered unglazed and will require assembly on-site, with the glass delivered separate to the frame. The Wendland Lantern is designed to fit to a builders timber kerb, the critical dimension is the overall external weathered kerb size. 

From Just:

£687.50 Ex VAT (£825.00 Inc VAT)

The Wendland Grey PVC Roof lantern is the perfect choice for those who are cost conscious but do not want to compramise on style.  The key features of this contemporary glass lantern are:  Less bars than other lanterns giving more light Easy-fit clip-on capping & Pre-fitted thermal clips Unique pre-assembled RidgeLOCK system UV resistant thermal internal cap - No visible fixings, small and neat Wendland Roof lanterns are packed with thermal features to avoid condensation build-up and are also available in a classic white finish Please be aware that our Wendland Roof Lantern are delivered unglazed and will require assembly on-site, with the glass delivered separate to the frame. The Wendland Lantern is designed to fit to a builders timber kerb, the critical dimension is the overall external weathered kerb size. 

From Just:

£687.50 Ex VAT (£825.00 Inc VAT)

Skylantern flat fixed glass rooflight available in 3 stock sizes in a range of standard RAL colours for quick delivery. Skylantern glass rooflights are designed to give you the ultimate and unrivalled view from your home and extension with supreme sky views. Skylantern rooflight design is constructed from super strong and light 40mm aluminium box rafters which create a slim and elegant roof profiles with excellent thermal performance. FREE low maintenace solar control glass 5 colour combinations white, grey RAL 7016, black RAL 9005, grey on white and black on white Contemporary slimline design with a full length aluminium outer trim Framless internal finish and allowing maximum light into the room below


1 Review

From Just:

£695.83 Ex VAT (£835.00 Inc VAT)

The slim elegant double glazed rectangular korniche roof lanterns fits perfectly in any home by retaining traditional features in a contemporary setting: Slim Sections At only 57mm wide in total Optimises natural light & great for extensions Range of colours Our standard colours are Gloss White, Matt Grey and Matt Black 6 glass specs avilable - Ambi Blue, Ambi Aqua, Clear Sunshade Blue, AMbi Bronze, Ambi Neutral A very popular rooflight to let vast amounts of light in to any room during the day and look perfect at night, whilst providing a traditional and contemporary design to complement a broad range of home styles and designs. Most units are supplied without intermediate glazing bars for unobstructed views [3500 x 1000mm & 4000 x 1000mm units have one intermediate glazing bar due to the length]  Please be aware that our Korniche Roof Lantern are delivered unglazed and will require assembly on-site, with the glass delivered separate to the frame. Free mainland UK delivery excludes Devon, Cornwall and Scotland.  Please enquire for prices.


1 Review

From Just:

£712.88 Ex VAT (£855.46 Inc VAT)

Astroglaze flat fixed double glazed Protect+ Rooflights are designed to fit to a builders timber kerb and are available in a wide range of standard sizes to suit your requirements.  High performance security Seals and fixings  Compliant to Doc Q security For added peace of mind Concealed Cover Caps - Quick and easy to install Intruder resistant glass specs - Energy Efficient With a low profile appearance and unobscured clearlight area these units really have the wow factor and will add a contemporary look to your home.


1 Review

From Just:

£815.00 Ex VAT (£978.00 Inc VAT)

Brett Martin Circular Glass rooflight to suit a builders timber kerb is a premium round rooflight specified for its distinct styling. This contemporary glazing unit gives a clean internal appearance, a minimal unobtrusive exterior and allows daylight to spread evenly through an interior space. Aluminium Frame Poweder coated RAL 7016 thermally isolated to provide excellent thermal performance. 4 Standard sizes Available in 5 - 7 working days. Bespoke sizes available on request (extended lead time Non- Fragile to CWCT TN-67 for class 1 roofs and Class B non-fragile to ACR001 Top only rooflight for fitting to a weathered builders timber kerb

From Just:

£920.83 Ex VAT (£1,105.00 Inc VAT)

Our Lunaglaze Lantern offers a perfect blend of contemporary aesthetics, leading performance, and quick and simple installation. Slim sightlines – 38mm internal rafters giving you less frame and more light Low u-Values of 1.3W/m2K for a warmer, more energy-efficient home Fully tested for maximum weather performance Quick and simple to install – in as little as 40 minutes 1500mm x 3000mm Style Size 1000mm x 1500mm 1000mm x 2000mm 1500mm x 2000mm 1500mm x 2500mm 1500mm x 3000mm 2000mm x 3000mm

From Just:

£979.17 Ex VAT (£1,175.00 Inc VAT)

Brett Martin Glass Link modules are a system of premium quality factory assembled glass rooflight units that simply lap together to form continuous rooflights. Modules are constructed from structurally glazed double glazed units in a powder coated, fully thermally broken aluminium frame. The product is designed for simple and rapid installation on roofs of all modern building types to provide natural light, and comfort ventilation where specified. Fixed Brett Martin Glass Link rooflights achieve Secured by Design accreditation All modules are flush including opening units for a seemless finish internally and externally Non-fragile to CWCT TN-67 (for class 2 roofs) and Class B non-fragile to ACR001 Dual colour powder coated as standard fully thermally broken aluminium framework. Large modules can be glazed with multiple panes of glass toavoid the need for heavier and more expensive glass specifications, see individual size module configuration for more detail. Operated via wall-switch which is supplied free of charge.

From Just:

£1,135.83 Ex VAT (£1,363.00 Inc VAT)

Brett Martin Circular Glass rooflight with pre-fabricated 150mm high GRP kerb is a premium round rooflight specified for its distinct styling. This contemporary glazing unit gives a clean internal appearance, a minimal unobtrusive exterior and allows daylight to spread evenly through an interior space. Aluminium Frame Poweder coated RAL 7016 thermally isolated to provide excellent thermal performance. 4 Standard sizes Available in 5 - 7 working days. Bespoke sizes available on request (extended lead time 150mm High GRP kerb supplied for mounting at roof surface level  Non- Fragile to CWCT TN-67 for class 1 roofs and Class B non-fragile to ACR001

From Just:

£1,175.00 Ex VAT (£1,410.00 Inc VAT)

Thermalight Lanterns have glass to glass structurally bonded hip and ridge joints and require no internal framework resulting in a clean and modern internal finish.

From Just:

£1,937.50 Ex VAT (£2,325.00 Inc VAT)

A fixed rooflight is one that cannot be opened or closed. It's sealed shut and is meant solely to allow natural light into a space. They are a popular choice for areas where ventilation isn't necessary but where adding brightness is important. Fixed rooflights are designed for sleekness and efficiency, offering a clear view to the sky above and enhancing the architectural aesthetics of any property.

The cost of a fixed rooflight can vary depending on several factors such as size, materials, and any additional features like thermal insulation or UV protection. Generally, prices may start from a few hundred pounds and can go up much higher for bespoke sizes or enhanced glazing options. We recommend getting a tailored quote for a precise cost based on your specific requirements and the complexities of the installation area.

The main difference between a fixed and opening rooflight is that a fixed rooflight is sealed and does not open, designed to let in light only, while an opening rooflight can be opened to allow both light and fresh air into the space. Opening rooflights often come with manual or electronic controls to easily adjust the ventilation, which can help regulate the temperature and air quality within the room.

Fixed roof windows usually do not require planning permission as they often fall under 'permitted development' rights, especially if they aren't altering the existing roof structure significantly. However, it's essential to check with your local planning authority as regulations can vary, particularly in designated areas such as conservation zones or for listed buildings.

The terms 'skylight' and 'rooflight' are often used interchangeably, but traditionally, a skylight is a small window installed in a roof slope, much like a regular window, which is often capable of opening. A rooflight, on the other hand, tends to refer to larger glazed areas, which are designed to let in more light and can be fixed or opening. Essentially, it's the size and installation method that can differentiate between the two, but in modern use, both terms can relate to any glazing that is installed on the roof.

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