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Solid Core Internal Doors

Blonde Oak Curved Door Lining in Situ

Blonde Oak Doors

White Doors

Acoustic internal door in oak finish with 33dB rating - Oak Ely Untreated in Situ

Soundproof Doors

Walnut Pamplona FD30 fire door in modern hallway

Walnut Doors

Ravenna Black Solid FD30 Fire Door with reeded panel design installed in a modern interior setting

Black Fire Doors

Black Soho Clear Glass internal door

Black Internal Doors

Solid core internal doors are a premium choice for homes and commercial interiors where durability, sound reduction, and a high-quality feel matter. Constructed with a dense engineered core rather than a hollow interior, solid core doors offer improved strength, better noise control between rooms, and a noticeably more substantial finish.

Ideal for bedrooms, living areas, and home offices, solid core internal doors help create quieter, more comfortable spaces while maintaining a refined appearance. Available in a wide range of styles and finishes — including oak, white primed, and glazed designs — they suit both modern and traditional interiors.

At Doorphoria, our solid core internal doors combine long-lasting performance with stylish design, offering a practical upgrade for new builds, renovations, and replacement projects alike.

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ORDER BY
Fire Rating
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Colour
Finish
Brand
Size
Product Type

Solid core internal doors are the ideal choice when you want a premium feel, improved sound insulation, and long-term durability. Constructed with a dense engineered core rather than a hollow interior, solid core doors offer a reassuring weight and strength that’s perfect for busy homes and high-use areas.

At Doorphoria, our solid core internal doors are available in a wide range of styles, finishes, and sizes — from contemporary minimalist designs to classic panelled doors. Whether you’re upgrading a family home, renovating a period property, or fitting out a new build, solid core doors provide a noticeable step up in quality.

One of the main benefits of solid core doors is their enhanced acoustic performance. The dense core helps reduce noise transfer between rooms, making them a popular option for bedrooms, home offices, and living spaces. They also feel more substantial when opening and closing, offering a more refined day-to-day experience. Check our our full range of acoustic tested soundproof doors.

Our solid core internal doors are available in:

  • Oak, walnut, and hardwood finishes

  • White primed and paint-ready options

  • Modern, shaker, and traditional panel styles

  • Glazed and unglazed designs

Many designs are also suitable for upgrading to FD30 fire-rated doors, making them a practical and future-proof choice.

Browse our solid core internal doors today, with expert advice, fast UK delivery, and competitive pricing from a trusted Yorkshire-based supplier.

Frequently Asked Questions – Solid Core Internal Doors

1. What is a solid core internal door?
A solid core internal door is made with a dense engineered core rather than a hollow interior. This construction gives the door increased strength, a heavier feel, and improved sound insulation compared to hollow core doors.

2. Are solid core internal doors better for soundproofing?
Yes. Solid core internal doors significantly reduce noise transfer between rooms thanks to their dense construction. They are a popular choice for bedrooms, home offices, and living spaces where privacy and quieter environments are important.

3. Are solid core doors suitable for all rooms?
Solid core doors are suitable for most areas of the home, particularly high-traffic or noise-sensitive rooms. For bathrooms or kitchens, it’s recommended to choose a door with an appropriate finish or glazing to suit humidity and ventilation needs.

4. Can solid core internal doors be used as fire doors?
Some solid core doors can be upgraded or manufactured to meet FD30 fire door requirements, but not all solid core doors are fire-rated. Always check the product specification to ensure it meets the necessary fire safety standards.

5. What is the difference between solid core and hollow core doors?
Solid core doors are heavier, stronger, and offer better sound insulation, while hollow core doors are lighter and more budget-friendly. Solid core doors provide a more premium feel and are better suited to areas where durability and noise reduction are priorities.

Oak Ely Fully Finished in Situ solid core