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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 visualiser here.

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  • White-Moulded-Textured-6P.jpg.jpeg

    LPD Classical 6L Primed White Door 1981 x 838 x 35mm (33 Inch)

    Clear glazed panels feature decorative bars and a curved top edge, with a raised shaped panel below in a white composite material.
  • Oak-Coventry-Pre-Finished-.jpg.jpeg

    LPD Coventry Fully Finished Oak Door 1981 x 838 x 35mm (33 Inch)

    Six vertical panels are alligned diagonally to create a contemporary finish. This door is pre-finished and ready to hang, enhancing your interiors with ease!
  • Hardwood-Derby-Glazed-2L-Leaded.jpg.jpeg

    LPD Derby Hardwood 2L Glazed Door 1981 x 838 x 44mm (33 Inch)

    Two decorative lead double glazed panels are fitted in this hardwood Derby door, with raised moulding on one side and a M&T construction.
  • Oak-DX-30s-Style.jpg.jpeg Oak-DX-30s-Style-LifeStyle.jpg.jpeg

    LPD DX 30s Oak Door 1981 x 838 x 35mm (33 Inch)

    This 30's style door design is crafted from unfinished white Oak and features three inset rectangular panels below an inset square panel.
  • Oak-DX-30s-Style.jpg.jpeg Oak-DX-30s-Style-LifeStyle.jpg.jpeg

    LPD DX 30s Oak Fire Door 1981 x 838 x 44mm (33 Inch)

    This 30's style door design is crafted from unfinished white Oak and features three inset rectangular panels below an inset square panel.
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    LPD DX 30s Oak Unglazed Door 1981 x 838 x 35mm (33 Inch)

    This 1930's traditional design offers an unglazed option, which allows the consumer to enhance to their specification alongside the three inset, vertical panels.
  • White-DX-30s-Style.jpg.jpeg

    LPD DX 30s White Primed Door 1981 x 838 x 35mm (33 Inch)

    This 30's style door is made from a primed solid core in white and features three rectangular inset panels below a larger square panel.
  • White-DX-30s-Style.jpg.jpeg

    LPD DX 30s White Primed Fire Door 1981 x 838 x 44mm (33 Inch)

    This 30's style door is made from a primed solid core in white and features three rectangular inset panels below a larger square panel.
  • Oak-Eindhoven.jpg.jpeg Oak-Eindhoven-LifeStyle.jpg.jpeg

    LPD Eindhoven Fully Finished Oak Door 1981 x 838 x 35mm (33 Inch)

    One large panel, emphasised by decorative beading, creates this simple yet sophisticated door design. These doors come pre-finished or Fully Finished, meaning they do not require any further treatment and therefore ready to hang. Remember to treat any...
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    LPD Greenwich Primed Black Door 1981 x 838 x 35mm (33 Inch)

    Add luxury and sophistication to your home with our Greenwich door. Inspired by art-deco featuring geometric shapes and unique beading, it is ideal for maximising light between rooms. Please note: this door must be paired with our Manhattan door hardware.
  • White-Primed-Santandor.jpeg White-Primed-Santandor-2.jpeg

    LPD Horizontal Four Line White Primed FD30 Fire Door 1981 x 838 x 44mm (33 Inch)

    Five panels are formed using a groove flush to the edge of the door. This creates a contemporary, effortless feel, perfect for enhancing interiors. These doors do require a final finishing which makes them the perfect pick for you if you are wanting to...
  • Oak-Inlay-1P.jpg.jpeg Oak-Inlay-1P-LifeStyle.jpg.jpeg

    LPD Inlay 1P Fully Finished Oak FD30 Fire Door 1981 x 838 x 44mm (33 Inch)

    Modest and versatile, the Inlay 1P has a centre panel with grooved frame and characterful pre-finished Oak wood grain. NB: This door has a Walnut Inlay. These doors come pre-finished or Fully Finished, meaning they do not require any further treatment...
  • Oak-Kilburn-Glazed-1L.jpg.jpeg

    LPD Kilburn Oak Glazed Door 1981 x 838 x 35mm (33 Inch)

    The rustic Kilburn Glazed design includes two parallel unfinished Oak panels and a centre clear glazed panel.
  • Oak-Lincoln-Glazed-3L-Pre-Finished.jpg.jpeg

    LPD Lincoln 3L Fully Finished Oak Clear Glazed Door 1981 x 838 x 35mm (33 Inch)

    This traditional door design includes clear glazed panels and subtle detailing in a pre-finished Oak. These doors come pre-finished or Fully Finished, meaning they do not require any further treatment and therefore ready to hang. Remember to treat any...
  • Oak-Lincoln.jpg.jpeg

    LPD Lincoln Fully Finished Oak Door 1981 x 838 x 35mm (33 Inch)

    This pre-finished Oak door design features subtle detailing to create a traditional feel. These doors come pre-finished or Fully Finished, meaning they do not require any further treatment and therefore ready to hang. Remember to treat any untreated...
  • Oak-Lincoln.jpg.jpeg

    LPD Lincoln Oak Door 1981 x 838 x 35mm (33 Inch)

    Complement traditional interiors with the Lincoln door design, featuring subtle detailing in unfinished Oak.
  • Oak-Lincoln.jpg.jpeg

    LPD Lincoln Oak Fire Door 1981 x 838 x 44mm (33 Inch)

    Complement traditional interiors with the Lincoln door design, featuring subtle detailing in unfinished Oak.
  • White-Lincoln.jpg.jpeg

    LPD Lincoln White Primed Fire Door 1981 x 838 x 44mm (33 Inch)

    This attractive Lincoln door is crafted from a white primed solid core and features a large inset panel with decorative vertical bars.
  • White-Lincoln.jpg.jpeg

    LPD Lincoln White Primed Glazed Door 1981 x 838 x 35mm (33 Inch)

    This attractive Lincoln design is made from a white primed solid core and features a clear glazed panel with decorative vertical bars.
  • Oak-London-Pre-finished-Glazed.jpg.jpeg

    LPD London 2L Oak Clear Glazed Door 1981 x 838 x 35mm (33 Inch)

    A traditional door design featuring two solid vertical panels and two glazed panels, perfect for adding the finishing touch to your choice of room. These doors are an ideal choice to add some warmth to your home whilst keeping your interior looking cool...
  • White-London-Glazed-2L.jpg.jpeg White-Grain-London-Glazed-2L-2.jpg.jpeg

    LPD London 2L White Primed Clear Glazed Door 1981 x 838 x 35mm (33 Inch)

    Two clear glazed panels sit proudly above two solid panels in this traditional design, finished in a clean, crisp white finish. These doors do require a final finishing which makes them the perfect pick for you if you are wanting to experiment with funky...
  • Oak-London.jpg.jpeg

    LPD London 4P Oak FD30 Fire Door 1981 x 838 x 44mm (33 Inch)

    A traditional door design featuring four vertical panels, perfect for adding the finishing touch to any of your rooms. These doors are an ideal choice to add some warmth to your home whilst keeping your interior looking cool and stylish. Tthese doors are...
  • White-London-4P.jpg.jpeg

    LPD London 4P White Primed Door 1981 x 838 x 35mm (33 Inch)

    The traditional four panels of this design are kept sleek and sophisticated in this white finish. These doors do require a final finishing which makes them the perfect pick for you if you are wanting to experiment with funky greens or eclectic blues...
  • White-London-4P.jpg.jpeg

    LPD London 4P White Primed FD30 Fire Door 1981 x 838 x 44mm (33 Inch)

    The traditional four panels of this design are kept sleek and sophisticated in this white finish. These doors do require a final finishing which makes them the perfect pick for you if you are wanting to experiment with funky greens or eclectic blues...

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

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