Want to fill a wider opening without building out the gap or fitting a second operating door? Our selection of internal doors with sidelights are the perfect solution, combining one central door with one or two fixed glazed side panels. Supplied as coordinated sets, they’re a practical choice for wider openings where natural light flow is the top priority.
Choose black prefinished designs with industrial-style doors, white primed modern door sets for a clean site-painted finish or unfinished oak where a more traditional natural timber look is wanted. With Climadoor and LPD options available, the range covers everything from straightforward Pattern 10 glazing to slim-profile Heritage, Kensington, Soho, Tribeca and Greenwich designs.
From £296.99 - £753.75

Climadoor Heritage Black Clear Glazed - Prefinished Internal Door with Sidelights
MDF | Fully Finished | Climadoor
1057mm - 2448mm / 42" - 96"
From £314.99 - £467.99 inc VAT
Climadoor Kensington Black 4L Glazed Prefinished Internal Door with Sidelights
MDF | Fully Finished | Climadoor
1057mm - 2448mm / 42" - 96"
From £296.99 - £458.99 inc VAT
Climadoor White P10 Clear Glazed Internal Door with Sidelights
MDF | Primed | Climadoor
1534mm - 2448mm / 60" - 96"
From £314.99 - £404.99 inc VAT
Climadoor Oak P10 Clear Glazed Internal Door with Sidelights
Oak | Unfinished | Climadoor
1534mm - 2448mm / 60" - 96"
From £458.99 - £476.99 inc VAT
Greenwich Clear Glazed Black Internal Door with Sidelight by LPD
Fully Finished | LPD Doors
1125mm - 1488mm / 44" - 59"
£753.75 inc VAT
Soho Clear Glazed Black Internal Door with Sidelight by LPD
Fully Finished | LPD Doors
1125mm - 1488mm / 44" - 59"
£657.00 inc VAT
Tribeca Clear Glazed Black Internal Door with Sidelight by LPD
Fully Finished | LPD Doors
1125mm - 1488mm / 44" - 59"
£732.83 inc VAT
With internal glazed door sets, it’s all about the overall size, not just the width of the moving leaf. Our selection of internal doors with sidelights uses one central single door with fixed glazed sidelights, plus the frame and mullions, so measure the full doorway rather than just the opening leaf. Check the structural opening at the head, middle and floor, measure the height in three places and allow for any flooring that hasn't been laid yet.
Styles in the range cover openings from 1057mm right up to 2448mm on selected designs, making them well suited to any wider doorway and to different room layouts where customers want more natural light without having to go full open plan. There's also some bespoke options available, allowing you to get that perfect fit when off the rack just won’t do, just get in touch to discuss what you need.
When choosing your new internal door with side panels, be sure to check the product drawing to confirm the frame depth, panel layout and fitting allowance, especially if you are working around room layouts. It’s worth having the site joiner confirm the numbers before the order is signed off.
A single sidelight works well when the available width is moderate or you want an offset look, if you have a larger doorway, two matching sidelights put the main door in the centre and give a wider doorway a symmetrical finish, creating a more balanced look. Whichever you choose also affects swing clearance, switch positions, nearby furniture and where the handle will land, so set the configuration out against the actual living space to make sure the sidelights work for everyday use, whether the opening is acting more like a room divider or linking adjoining rooms.
Remember the glazed side panels are fixed, only the central door opens. If you would prefer the whole span to open for furniture access or occasional entertaining, an internal French door or folding internal door system might be a more suitable option.
The great thing about our range of internal doors with sidelight sets is the flexibility when it comes to the finish. Prefinished black sets arrive with the main decorative finish already applied, saving site time and reducing the risk of inconsistent colour across the door and panels, which is especially useful if you're fitting multiple doors with the same finish.
White primed internal glazed door sets still need the finishing top coat but give you the opportunity to colour them in any shade you want, while unfinished oak options give the ultimate flexibility for painting or staining, just remember they must be properly treated on all faces and edges before or immediately after installation.
The biggest draw for interior doors with side panels is the amount of light they allow to flow between adjoining spaces. Clear glazing shares daylight between rooms and keeps a long, clean sightline through the property, making it appear larger. They work particularly well as a transition between kitchens and dining spaces, they can also create a more welcoming environment as they brighten hallways, entrance areas and living rooms where you may not want a set of French doors or a larger room divider door.
Where privacy matters, frosted glass or reeded glazing may be a better option while still allowing that all important natural light to move through, just give us a call to discuss bespoke options.
Many sets include the door leaf, sidelights and a flat-packed frame arrangement, but ironmongery such as door handles and hinges is typically supplied separately. Be sure to confirm hinges, latch, handles, fixings and finishing products against the product contents so you’re not left short when fitting the door. Do not assume the handing or trimming allowance is identical across Climadoor and LPD ranges, these can vary by product style, so again, be sure to check these before committing.
For fitting, build and fix the frame accurately, keeping the head level, jambs plumb and mullions square. A small error across a wider frame can show up as uneven margins, misaligned glazing bars or a door that catches, and no one wants that. These are specialist sets, so competent joinery skills are a must.
Wider glazed door sets can cause costly hold-ups if the overall size or pack contents are wrong. Express Doors Direct keeps the job simple with information that's easy to check, with overall dimensions, finish, material, brand and price all brought together in one place. The range includes everything from industrial style doors to more pared back room divider styles, giving trade buyers and homeowners choice without having to search across several suppliers, making it easier to compare before they buy online.
Expert advice is always available when the opening or configuration needs double checking, so it is easier to explore suitable options and confirm what you're getting before commiting. Stocked products can usually be supplied within 7 working days with nationwide delivery available, although bespoke exceptions apply.
All internal doors with sidelights come with a minimum 10-year guarantee as standard, too. In short, you get clear specifications, no surprise VAT at checkout and useful support when a wider opening needs a proper solution, whether you're buying a popular choice off the rack for a straightforward project or you need a more tailored set.
Frequently Asked Questions
Door width refers to the opening leaf itself. Overall set width includes the door, one or two sidelights, mullions and outer frame. Ordering should be done using the complete configuration size and the manufacturer’s fitting guidance, not the leaf width alone.
The side panels must be securely held within the specified doorset arrangement. Each is supplied with coordinated jambs, mullions and a frame head, so a separate standard lining isn't needed. Check the pack contents because components can vary between ranges.
Not always. Handles, latches, hinges and related fixings are commonly sold separately. Check the product description and hardware recommendations before pricing the full job so nothing essential is missing when the fitter arrives.
Yes, absolutely! Selected configurations such as the Soho, place a single fixed glazed panel on one side of the door. This can be useful for narrower openings or an offset layout. Confirm which side the panel occupies and whether the set can be handed during installation.
It generally takes longer than hanging a replacement standard internal door because the complete multi-part frame must be assembled, positioned and fixed accurately. The time it takes is probably more inline with fitting a set of internal French doors. However, it all depends on the opening condition, wall finish, configuration, ironmongery and whether structural or making-good work is needed.
Confirm the finished structural opening, floor level, frame depth, total set size, door sidelight arrangement, door swing, trimming allowance, finish, glazing and pack contents before buying. Also check whether widening the opening needs structural or building control input.
Yes, in many cases a double door can be replaced with a single door and one or two sidelights. The new doorset must suit the full width and height of the existing opening, including its frame and fitting allowances. A joiner should measure the opening and check the wall construction, glazing and any fire-safety requirements before ordering. Structural advice may also be needed if the opening itself is being altered.
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