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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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    Deanta Blenheim Fully Finished Black Glass Door 1981 x 686 x 35mm (78 x 27)

    The Blenheim Black Door is a fully finished treated Door with clear bevelled glass. The door dimensions are 1981 x 610 x 35mm or 24 Inch thick. Combining traditional features with a contemporary finish, this Deanta Blenheim door is a striking choice. Our...
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    Deanta Brixton Fully Finished Black Glazed Door 1981 x 686 x 35mm (78 x 27)

    The Deanta Brixton Fully Finished Black Glazed Door simplifies the process of creating a one-of-a-kind statement entrance. This door is perfect for creating a bold statement in your home. It exudes royalty with a black glaze glazed finish that...
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    Deanta Dalston Fully Finished Black Glazed Door 1981 x 686 x 35mm (78 x 27)

    With Deanta's Dalston Fully Finished Black Glazed Door, you can achieve a beautiful yet simple look. Its clean lines, basic form, and fully polished look complement modern environments such as workplaces, warehouses, and residences. This industrial-style...
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    Deanta Seville Brushed Fully Finished Black Oak 1L Clear Glazed Door 1981 x 686 x 35 (78 x 27)

    Transform your interiors with the Deanta Seville 1L Brushed Black Oak Internal Door with Glass, a contemporary statement piece that combines the warmth of oak with the practicality of light flow. Designed with a large clear toughened safety glass panel,...
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    Deanta Windsor Fully Finished Black Glazed Door 1981 x 686 x 35 (78 x 27)

    Enhance your home with the Deanta Windsor Prefinished Black Internal Door with Glass, a stunning combination of timeless design and practical functionality. Measuring 1981 x 838 x 35mm, this elegant door is designed to connect spaces while allowing...
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    JB Kind Aria Internal Fully Finished Black Glazed Door 1981 x 686 x 35mm (78 x 27)

    Black laminate internal glazed door with full length fluted black painted grooves. Howarth supply a wide range of internal doors, including oak doors, white primed doors, fire doors, and fully finished doors. Visit our internal doors section of the...
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    LPD Chelsea Clear Primed Plus Black Glazed Door 1981 x 686 x 35mm (78 x 27)

    An adaption on our industrial range, the Chelsea features four generous clear glazed panels which are ideal for maximising natural light in your home. Constructed using sleek and slender primed plus black beading and a decorative lock block which is...
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    LPD Soho Primed Black Glazed Door 1981 x 686 x 35mm (78 x 27)

    Industrial-inspired Soho, featuring an understated four-panel glazed design with a high-end primed black finish for the ultimate cool, contemporary interiors. Please note: this door must be paired with our Manhattan door hardware.
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    LPD Tribeca 3L Black Primed Plus Clear Glazed Door 1981 x 686 x 35mm (78 x 27)

    An adaption on our industrial range, the Tribeca features three generous clear glazed panels which are ideal for maximising natural light in your home. Constructed using sleek and slender primed plus black beading and a decorative lock block which is...
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    LPD Tribeca 3L Black Primed Plus Tinted Glazed Door 1981 x 686 x 35mm (78 x 27)

    A cool and unique internal door, the Tribeca features Primed Plus Black decorative beading and an appealing solid lock block which is perfect for your matching accessories. This door is benefited from three generous glazed panels. Using tinted glazing,...

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