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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 Lincoln Oak Glazed Door 1981 x 762 x 35mm (78 x 30)

    The LPD Lincoln Oak Glazed Door offers modern styling with clear glazed panels and quality oak veneers for bright interiors.
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    LPD Lincoln Oak Glazed Door 1981 x 838 x 35mm (33 Inch)

    Create bright, stylish interiors with the LPD Lincoln Oak Glazed Door featuring premium oak veneers and contemporary glazed detailing.
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    LPD Lincoln Oak Glazed Door 2032 x 813 x 35mm (32 Inch)

    The glazed LPD Lincoln Oak Door allows natural light to pass between rooms while maintaining the timeless shaker styling of the Lincoln range.
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    LPD Lincoln White Primed Clear Glazed Door Pair 1981 x 1168 x 40mm

    The large glazed panels of the Lincoln will allow light to flow between rooms. The two strips of beading add style and sophistication to each of the doors, creating an elegant finish. These doors do require a final finishing which makes them the perfect...
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    LPD Lincoln White Primed Door 1981 x 610 x 35mm (24 Inch)

    The LPD Lincoln White Primed Door features contemporary vertical panel styling with a factory primed finish ready to paint.
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    LPD Lincoln White Primed Door 1981 x 610 x 35mm (24 Inch)

    This attractive Lincoln door is crafted from a white primed solid core and features a large inset panel with decorative vertical bars.
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    LPD Lincoln White Primed Door 1981 x 686 x 35mm (27 Inch)

    Add modern style to your home with the LPD Lincoln White Primed Door, supplied ready for final decoration.
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    LPD Lincoln White Primed Door 1981 x 686 x 35mm (27 Inch)

    The LPD Lincoln White Primed Door features elegant vertical panel styling with a smooth factory primed finish ready for painting.
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    LPD Lincoln White Primed Door 1981 x 762 x 35mm (78 x 30)

    Create a modern interior with the LPD Lincoln White Primed Door, supplied ready to paint for a bespoke finish.
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    LPD Lincoln White Primed Door 1981 x 838 x 35mm (33 Inch)

    The LPD Lincoln White Primed Door combines contemporary vertical detailing with a durable factory primed finish.
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    LPD Lincoln White Primed Door 2032 x 813 x 35mm (32 Inch)

    LPD Lincoln White Primed door offers a clean contemporary design supplied ready for painting. Buy online today.
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    LPD Lincoln White Primed Door 2032 x 813 x 35mm (80 x 32)

    LPD Lincoln White Primed door combines classic shaker styling with a smooth paint ready finish. Buy online at Howarth Timber.
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    LPD Lincoln White Primed Door 2040 x 626 x 40mm

    Designed for metric openings, the LPD Lincoln White Primed Door offers contemporary styling with a smooth primed finish.
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    LPD Lincoln White Primed Door 2040 x 626 x 40mm (80 x 24)

    Designed for metric openings, the LPD Lincoln White Primed Door offers modern styling with a smooth primed finish.
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    LPD Lincoln White Primed Door 2040 x 726 x 40mm

    The LPD Lincoln White Primed Door features elegant vertical detailing and is supplied ready to paint.
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    LPD Lincoln White Primed Door 2040 x 726 x 40mm

    The LPD Lincoln White Primed Door features contemporary vertical detailing with a factory primed finish ready to paint.
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    LPD Lincoln White Primed Door 2040 x 826 x 40mm

    The LPD Lincoln White Primed Door combines contemporary styling with a factory primed finish for easy decorating.
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    LPD Lincoln White Primed Door 2040 x 826 x 40mm

    The LPD Lincoln White Primed Door provides contemporary styling with a smooth primed surface ready for decorating.
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    LPD Lincoln White Primed Fire Door 1981 x 686 x 44mm (27 Inch)

    This attractive Lincoln door is crafted from a white primed solid core and features a large inset panel with decorative vertical bars.
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    LPD Lincoln White Primed Fire Door 1981 x 762 x 44mm (78 x 30)

    The LPD Lincoln White Primed Fire Door combines modern styling with certified FD30 fire protection and a factory primed finish.
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    LPD Lincoln White Primed Fire Door 1981 x 838 x 44mm (78 x 33)

    Featuring elegant vertical detailing and certified FD30 fire resistance, the LPD Lincoln Fire Door is ready to paint.
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    LPD Lincoln White Primed Fire Door 2040 x 726 x 44mm

    Designed for metric openings, the LPD Lincoln White Primed Fire Door combines contemporary styling with FD30 certification.
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    LPD Lincoln White Primed Fire Door 2040 x 826 x 44mm (80 x 32)

    The LPD Lincoln White Primed Fire Door delivers certified FD30 fire protection with a smooth primed finish ready for decorating.
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    LPD Lincoln White Primed Glazed Door 1981 x 762 x 35mm (78 x 30)

    The LPD Lincoln White Primed Glazed Door combines clear glazing with elegant vertical styling and a factory 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