LPD Internal Doors

LPD internal doors are available in a mix of constructions, depending on the range and finish. Some styles use a solid engineered core (often chosen for a more premium feel, better sound reduction and a sturdier close), while others are hollow or semi-solid to keep weight and cost down. The best way to confirm is to check the specific product listing, as construction can vary even within the same style family (for example, standard vs fire door versions).

Tip: If you want a heavier, more substantial door, look for engineered core / solid core wording, or consider an FD30 fire door option which is typically denser by design.

LPD internal doors are available in the most popular UK internal door sizes, including a range of widths and heights to suit typical openings. You’ll usually find options suitable for:

• Standard single doorways (most homes)
• Taller doorways (common in newer builds or renovations)
• Narrower openings (cloakrooms, under-stairs, box rooms)

Because availability varies by design, it’s best to use the size filter on the category or check the product page for each model’s exact sizing options. We’ve also put together a handy guide covering LPD internal door sizes to help give you a better idea of what’s available.

Trimming allowance depends on the exact LPD door model and its construction (for example, engineered, solid core or glazed). Many internal doors include generous trimming margins designed to help you fine-tune the fit, but the safe amount can vary.

General best practice:

• ALWAYS check the product specification before trimming.
• Trim evenly from both sides where possible to keep the door balanced.
• For glazed doors, be extra cautious because the glazed aperture and internal structure affect what can be safely removed.
• For LPD fire doors, follow the manufacturer’s guidance carefully. Over-trimming can invalidate fire performance.

If you’re still not 100% sure how much you can trim, we’re always on hand to help, just give us a call.

This is one of the most common questions, and LPD doors are no expectation when it comes to the differences. Here’s a quick rundown:

• Prefinished internal doors: arrive ready to hang, with a factory-applied finish (often a smooth lacquer). They’re ideal if you want a consistent look and less decorating time.
  
  
• Primed internal doors: come with a base coat ready for your top coat. You’ll still need to paint them, but factory-applied priming helps give a more even final finish.
  
  
• Unfinished internal doors are bare timber/veneer and need sanding and finishing (paint, stain, oil or varnish). They’re best if you want a bespoke colour or a natural wood look you can customise.

Quick rule of thumb: Want speed? Choose prefinished. Want your own colour? Choose primed. Want full control over the wood finish? Choose unfinished.

Yes, absolutely! Glazed internal doors generally are one of the easiest ways to brighten darker spaces without major building work. An LPD glazed internal door can help share light between rooms, making hallways, landings and internal corridors feel larger and more welcoming.

For privacy, you can choose:

• Clear glazing (maximum light)
• Frosted/obscure glazing (light plus privacy, great for bathrooms or kitchens)
• Reeded/fluted styles (a popular modern look with diffused light)

We do! In fact, many LPD ranges are available as FD30 fire doors, designed to provide up to 30 minutes fire resistance when installed correctly with compatible components (frame, seals, hinges, latch etc.). FD30 doors are most commonly chosen for:

• Integral garages to house access (where required)
• Flats and certain hallway/landing layouts
• Extra reassurance in busy family homes

Always check the product listing to confirm the exact rating and certification details for the model you’re buying.

LPD doors typically come with a 10 year manufacturer’s guarantee, but the length and terms can vary by product range and finish. Most guarantees are also dependent on correct installation and finishing, especially for unfinished, primed doors or fire doors.

To get the best from your guarantee:

• Follow the fitting instructions
• Use suitable sealers/finishes on all faces and edges (where required)
• Keep the door in a stable internal environment (avoid excess moisture)

LPD offers many doors made from responsibly sourced timber and timber derivatives, and some products may carry FSC® certification (or use FSC-certified materials within their construction). Certification can vary by model and availability.

If FSC is important for your project, the quickest method is to check the product specification on the exact door you’re considering.

Most internal doors, including many LPD models, are sold as the door leaf only. Handles, hinges, latches and frames are typically bought separately so you can choose the style and specification that matches your home best.

Tip: If you’re fitting a fire door, you’ll need fire-rated ironmongery and compatible intumescent seals to maintain performance.