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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 Carini Fully Finished Oak Door 1981 x 762 x 35mm (78 x 30)

    LPD Carini fully finished oak internal door 1981 x 762 x 35mm. Buy online today.
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    LPD DX 30s White Primed Door 1981 x 762 x 35mm (78 x 30)

    LPD DX 30s white primed internal door 1981 x 762 x 35mm with traditional styling.
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    LPD Mexicano Fully Finished Oak Door 1981 x 762 x 35mm (78 x 30)

    Featuring premium factory finished oak veneers, the LPD Mexicano Door provides contemporary style with minimal preparation.
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    Deanta Cambridge Unfinished Oak Door 1981 x 686 x 35mm (78 x 27)

    An updated 1930s classic design that exudes a sense of timelessness and understated elegance. The Cambridge Solid Oak door is perfect for any room in the home, whilst the glazed door is a super option for reception rooms or kitchens. Particularly suited...
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    Deanta Ely Fully Finished Oak Fire Door 1981 x 762 x 45mm (78 x 30)

    This Deanta Ely Prefinished Oak Fire Door is designed to provide the strength and stability you want while also providing exceptional performance. It has an American white oak veneer with a veneer core, providing you a strong door that is ideal for your...
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    Deanta Kensington Fully Finished Walnut Door 1981 x 686 x 35mm (78 x 27)

    Deanta Kensington fully finished walnut internal door 1981 x 686 x 35mm ready to install.
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    JB Kind Canterbury Internal Smooth White Primed Fire Door 2032 x 813 x 44mm (80 x 32)

    Classic white primed moulded panel interior door with smooth effect. This door can be trimmed to the following specifications, for anything else please contact our customer helpline for bespoke door options: Maximum Trimming From Each Side: 2mm. Maximum...
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    LPD 4 Panel Clear Pine Door 1981 x 686 x 35mm (78 x 27)

    Clear pine 4 panel internal door with a traditional design, ready to paint, stain or varnish to suit any interior. Buy online today.
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    LPD Belize Oak Door 1981 x 686 x 35mm (78 x 27)

    LPD Belize unfinished oak internal door 1981 x 686 x 35mm ready for finishing. Buy online today.
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    LPD London 4P Oak FD30 Fire Door 1981 x 838 x 44mm (78 x 33)

    LPD London 4 panel oak FD30 fire door 1981 x 838 x 44mm combining traditional design with FD30 fire resistance.
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    LPD Mexicano Fully Finished Oak Fire Door 1981 x 762 x 44mm (78 x 30)

    The LPD Mexicano Fully Finished Oak Fire Door combines modern vertical grooves with certified FD30 fire resistance.
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    LPD Vancouver Fully Finished Oak Door 1981 x 762 x 35mm (78 x 30)

    The LPD Vancouver Fully Finished Oak Door features clean contemporary lines with a durable factory applied oak finish.
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    Deanta Coventry Fully Finished Oak Door 1981 x 762 x 35mm (78 x 30)

    The Coventry Oak door is equally at home in a farmhouse, cottage, apartment, newbuild, or townhouse. The minimalist style of this door is at once traditional and contemporary; striking and understated; rustic and sleek. The solid door features four...
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    Deanta Ely Fully Finished Oak Door 1981 x 610 x 35mm (78 x 24)

    The Deanta Ely Prefinished Oak Door would look great in any home. This door, with its elegant wood grain design and strong wood-grain contrast, will provide warmth and natural beauty to any area in your house. This door is handcrafted from finest...
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    Deanta Ely Fully Finished Oak Door 1981 x 711 x 35mm (78 x 28)

    Deanta Ely fully finished oak internal door 1981 x 711 x 35mm featuring premium oak veneer and a factory finished surface.
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    Deanta Ely Fully Finished Oak Door 2040 x 726 x 40mm (80 x 28)

    The Deanta Ely Prefinished Oak Door would look great in any home. This door, with its elegant wood grain design and strong wood-grain contrast, will provide warmth and natural beauty to any area in your house. This door is handcrafted from finest...
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    Deanta Ely Unfinished Oak Door 1981 x 686 x 35mm (78 x 27)

    The Ely Solid Oak door is the most popular style in the UK and complements almost any setting. The full-glazed and half-glazed options of this classic door are ideal for a modern house or flat, while the unusual horizontal symmetry of the 5L glazed door...
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    Deanta Ely White Primed Door 2040 x 826 x 40mm (80 x 32)

    Deanta Ely white primed internal door 2040 x 826 x 40mm ready to decorate and install.
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    Deanta Rochester White Primed Door 1981 x 762 x 35mm (78 x 30)

    Deanta Rochester white primed internal door 1981 x 762 x 35mm with a smooth paint ready surface.
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    Deanta Seville Fully Finished Oak Door 1981 x 762 x 35mm (78 x 30)

    The rich grain patterns in this door's crown-cut veneer highlight a striking combination of vertical and horizontal panels. The Seville Glazed Oak door features a slim, vertical pane of clear, toughened glass that runs down the centre of the door,...
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    Deanta Seville Fully Finished Oak Door 1981 x 838 x 35mm (78 x 33)

    The rich grain patterns in this door's crown-cut veneer highlight a striking combination of vertical and horizontal panels. The Seville Glazed Oak door features a slim, vertical pane of clear, toughened glass that runs down the centre of the door,...
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    Deanta Seville White Primed Door 1981 x 686 x 35mm (78 x 27)

    Because of its remarkable simplicity, this Seville White Primed door is quite popular. The horizontal panels on the exterior of this door provide a clean design that can be readily matched with any interior style, as white doors have always been trendy...
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    Deanta Seville White Primed Fire Door 1981 x 762 x 45mm (78 x 30)

    This Deanta Seville White Primed Fire Door is a sleek, simple door with horizontal panels of crisp white paint. This sturdy door will add an instant sense of beauty to your home, whether it is utilised as the main entry or a secondary one. This door is...
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    Deanta Walden Oak Door 1981 x 686 x 35mm (78 x 27)

    Deanta Walden oak door 1981 x 686 x 35mm with a quality oak veneer for lasting appeal.

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