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Internal Doors

Internal doors have hundreds of designs, styles and sizes. From traditional shaker style; to modern contemporary designs like Ely Oak. Glazed or non glazed doors; to bevelled and non bevelled. High quality timber brands like Deanta, JB Kind, and LPD Doors.

If you're interested in creating your own internal door, you can view our door visualiser.

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    LPD 6 Panel White Primed Fire Door 1981 x 686 x 44mm (78 x 27)

    LPD 6 panel white primed FD30 fire door 1981 x 686 x 44mm providing reliable fire resistance.
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    LPD 6 Panel White Primed Fire Door 1981 x 762 x 44mm (78 x 30)

    LPD 6 panel white primed FD30 fire door 1981 x 762 x 44mm ready for final finishing.
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    LPD 6P Knotty Pine Door 1981 x 610 x 35mm (78 x 24)

    Boasting an appealing Knotty Pine wood grain pattern, this timeless door design features six raised shaped panels.
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    LPD 6P Knotty Pine Door 1981 x 686 x 35mm (78 x 27)

    Bring classic style to your home with the LPD 6 Panel Knotty Pine Door. Manufactured from quality pine, it's ready for painting, staining or varnishing.
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    LPD 6P Knotty Pine Door 1981 x 762 x 35mm (78 x 30)

    LPD 6 Panel Knotty Pine door features traditional styling in natural pine, ready to paint, stain or varnish. Buy online today.
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    LPD 6P Knotty Pine Door 2032 x 813 x 35mm (80 x 32)

    Manufactured from quality knotty pine, this traditional 6 panel internal door can be painted, stained or varnished to suit your chosen interior finish.
  • White-Moulded-Textured-6P.jpg.jpeg

    LPD 6P White Primed Door 1981 x 610 x 35mm (78 x 24)

    This textured door design features two square raised panels above four raised shaped rectangular panels, crafted from a white composite. NB: Sizes 18 and 21" are a 3 panel design."
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    LPD 6P White Primed Door 1981 x 686 x 35mm (78 x 27)

    The LPD 6 Panel White Primed Door combines traditional six panel styling with a smooth primed finish ready for painting.
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    LPD 6P White Primed Door 1981 x 838 x 35mm (78 x 33)

    Create a timeless interior with the LPD 6 Panel White Primed Door, supplied primed and ready to paint.
  • White-Moulded-Smooth-6P-Square-Top.jpg.jpeg

    LPD 6P White Primed Door 2032 x 813 x 35mm (80 x 32)

    Create a classic interior with the LPD 6 Panel White Primed Door. Factory primed and ready to paint, it offers traditional styling for any room in the home.
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    LPD Amsterdam Primed Plus Black Door 1981 x 610 x 35mm (78 x 24)

    LPD Amsterdam Primed Plus black internal door 1981 x 610 x 35mm ready for finishing with contemporary styling.
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    LPD Amsterdam Primed Plus Black Door 1981 x 686 x 35mm (78 x 27)

    LPD Amsterdam Primed Plus black internal door 1981 x 686 x 35mm with a smooth paint ready surface.
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    LPD Amsterdam Primed Plus Black Door 1981 x 762 x 35mm (78 x 30)

    LPD Amsterdam Primed Plus black internal door 1981 x 762 x 35mm offering modern interior styling.
  • Black-Amsterdam.jpg.jpeg Black-Amsterdam-LifeStyle.jpg.jpeg

    LPD Amsterdam Primed Plus Black Door 1981 x 838 x 35mm (78 x 33)

    LPD Amsterdam Primed Plus black internal door 1981 x 838 x 35mm ready to install after finishing.
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    LPD Amsterdam White Primed Plus Door 1981 x 686 x 35mm (78 x 27)

    LPD Amsterdam White Primed Plus internal door 1981 x 686 x 35mm ready for final decorating.
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    LPD Amsterdam White Primed Plus Door 1981 x 762 x 35mm (78 x 30)

    LPD Amsterdam White Primed Plus internal door 1981 x 762 x 35mm offering clean contemporary styling.
  • Primed-Black-Antwerp-3P.jpg.jpeg Primed-Black-Antwerp-3P-2.jpg.jpeg

    LPD Antwerp Primed Black Door 1981 x 686 x 35mm (78 x 27)

    LPD Antwerp primed black internal door 1981 x 686 x 35mm with a smooth paint ready surface.
  • Primed-Black-Antwerp-3P.jpg.jpeg Primed-Black-Antwerp-3P-2.jpg.jpeg

    LPD Antwerp Primed Black Door 1981 x 838 x 35mm (78 x 33)

    LPD Antwerp primed black internal door 1981 x 838 x 35mm ready for final finishing.
  • Primed-Black-Antwerp-3P.jpg.jpeg Primed-Black-Antwerp-3P-2.jpg.jpeg

    LPD Antwerp Primed Black Fire Door 1981 x 762 x 44mm (78 x 30)

    LPD Antwerp primed black FD30 fire door 1981 x 762 x 44mm with contemporary styling.
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    LPD Arnhem Fully Finished Oak Door 1981 x 610 x 35mm (78 x 24)

    Two different sized panels, enhanced by decorative beading, create this premium design, perfect for creating a stylish statement in your home.
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    LPD Arnhem Primed Plus Black Door 1981 x 762 x 35mm (78 x 30)

    LPD Arnhem Primed Plus black internal door 1981 x 762 x 35mm with contemporary styling.
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    LPD Arnhem Primed Plus Black Door 1981 x 838 x 35mm (78 x 33)

    LPD Arnhem Primed Plus black internal door 1981 x 838 x 35mm ready to paint and install.
  • Black-Arnhem.jpg.jpeg

    LPD Arnhem Primed Plus Black Fire Door 1981 x 762 x 44mm (78 x 30)

    LPD Arnhem Primed Plus black FD30 fire door 1981 x 762 x 44mm providing certified fire protection.
  • Black-Arnhem.jpg.jpeg

    LPD Arnhem Primed Plus Black Fire Door 1981 x 838 x 44mm (78 x 33)

    LPD Arnhem Primed Plus black FD30 fire door 1981 x 838 x 44mm with a smooth primed finish.

Internal Doors

Wooden internal doors are traditionally used to create an occasional barrier between rooms whilst creating privacy. However, they have also taken up the role of helping to create a specific appearance to a home, whether that’s a traditional or contemporary one.

At Howarth, we currently offer a vast range of interior doors in 80+ types of doors, which are available in 10+ styles. The types of doors include:

Glazed doors, which are available as clear, obscure, and decorative to suit the needs of different areas of your home. These are a simple method of adding light to dark areas, such as hallways.

Fire doors are aimed to help protect your home in the event of a fire. All our fire doors meet the necessary building regulations. All fire doors can be chosen to match or compliment standard doors, and many of our popular door ranges are available in a fire door option.

Pre-Finished doors are ready to be hung straight away and do not need paint or stain to be applied. Pre-finished is also a good choice if you are short on time.

Unfinished doors may require sanding down to prepare them for paints and stains. These are a great option for if you have a specific colour in time, perhaps to match existing mouldings or furniture. At Howarth, we recommended this type of door for customers who are looking for a customisable option.

We also offer other types of doors, such as doors with glass, bifold doors and oak doors - which are a few of our most popular and recommended options.

We also sell a wide range of paints, stains, and preservatives to help you finish the job.

For further information and expert advice regarding wooden internal doors, please contact your friendly local Howarth branch.

Frequently Asked Questions

How much can I trim off an internal fire door?
Make sure to not trim off more than 5mm per side.
What size hinges do I need for internal doors?
You will need 75mm hinges for a 35mm thick internal door.
How wide is a standard internal door?
A standard internal door has a width of 762mm x 1981mm, which equates to a width of 2ft 6in.
What is the smallest internal door size?
The smallest internal door size Howarth offers is 1981mm x 457mm, but we also offer a made to measure service.
How much does an internal door weigh?
Based on the 1981mm x 457mm door being our smallest, it weighs approximately 21kg. Our biggest and heaviest door at 2040mm x 826mm weighs around 39kg.
How to measure for new internal doors?
First measure the width - across the top, the middle and bottom. The largest measurement will be your door width. Then, measure the height within the frame - at the left-hand side, centrally and at the right. The largest measurement is your door height.
How to hang an internal wooden door?
To hang an internal wooden door, you must first unscrew the existing door from your home. The new door will then need to be trimmed to size. However, before cutting a door down, always measure it against the open door as a template and note where to plane or cut down if necessary. Use a panel saw to lower the height of the new door by more than 6mm. Sand it smooth after that. Cutting off less than 6mm requires only a hand or power plane. The hinge pivots (edges) should extend beyond the frame edge. Remove the hinges from the door frame and line them with your pencil markings on the edge of the door. With a chisel and mallet, tap along the shape of the hinge forms. Check that the chisel's "bevel" (sloped edge) is facing the waste wood. Check for flush hinges and fasten them with one screw per hinge. Make a beginning hole with a screw or a bradawl that is slightly smaller than the screw. After that, you may begin installing your new door. While the door is supported on wedges and at right angles to the frame, secure the hinge flaps to the door frame. To allow for adjustments, use only one screw. Make sure the door opens and closes smoothly. If it does, you can then replace the door's remaining screws.
Can you paint concrete slabs?
Yes, you can paint concrete slabs. Make sure you clean the concrete slabs thoroughly and prep them before painting.

How to guides

A Guide to Choosing Interior Doors

Looking for internal doors, but don't know where to start? Our guide is here to help.

Introducing Jigtech

Discover the innovative tool that speeds up the installation of doors.

How to install an internal door

How to install an internal door guide including delivery and storage things to consider.

10 Things to Consider when purchasing internal oak doors

A guide explaining what things to consider when purchasing doors.

Internal Door Fitting Instructions

Do's and Don'ts when it comes to fitting your internal doors.

Understanding Door Construction - JB Kind Doors

An article explaining the different door constructions - read more to find out.

Customer Inspiration