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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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  • JB Kind Dove Internal Oak Glazed Door Pair JB Kind Dove Internal Oak Glazed Door Pair

    JB Kind Dove Internal Oak Glazed Door Pair

    Oak glazed internal door pair with rebated meeting stiles. Supplied prepared ready for a varnish finish. This door can be trimmed to the following specifications, for anything else please contact our customer helpline for bespoke door options: Maximum...

  • JB Kind Eiger Internal Oak Door 1981 x 610 x 35mm (24")

    Shaker style oak internal door with two recessed panels, supplied unfinished. 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: 12mm...

  • JB Kind Eiger Internal Oak Fire Door 1981 x 762 x 44mm (30")

    Shaker style oak internal door with two recessed panels, supplied unfinished. 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: 0mm...

  • JB Kind Medina Fully Finished Oak Glazed Door 1981 x 686 x 35mm

    Popular contemporary oak veneered internal door, glazed with clear diamond cut glass and supplied complete with varnish finish

  • JB Kind Mistral Fully Finished Oak Door 1981 x 762 x 35mm

    Flush contemporary oak internal door with grooved panel effect, supplied complete with varnish finish

  • JB Kind Mistral Fully Finished Oak Glazed Door 1981 x 838 x 35mm

    Flush contemporary oak internal door with clear glazed panel, supplied complete with varnish finish

  • JB Kind Oak Veneered Internal Flush Fully Finished Door 1981 x 838 x 35mm (33")

    Flush oak veneer internal door, supplied pre-finished. 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: 3mm. Maximum Trimming From...

  • JB Kind Oak Veneered Internal Fully Finished Flush Fire Door 1981 x 838 x 44mm (33")

    Flush oak veneer internal door, supplied pre-finished. 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 Trimming From...

  • JB Kind Rustic Oak DX Fully Finished Door 1981 x 762 x 35mm

    Rustic oak, naturally knotty in appearance 1930's DX style interior door. Supplied with varnish finish.

  • JB Kind Thames 6 Light Internal Oak Glazed Door 1981 x 686 x 35mm (27")

    Oak cottage style internal door with six glazed apertures, supplied ready to finish. 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...

  • JB Kind Thames Original Fully Finished Oak Door 1981 x 762 x 35mm

    Cottage style oak internal door with grooved centre panel, supplied complete with varnish finish
  • JB Kind Thames Original Oak Bi-fold Door 1981 x 762 x 35mm JB Kind Thames Original Oak Bi-fold Door 1981 x 762 x 35mm

    JB Kind Thames Original Oak Bi-fold Door 1981 x 762 x 35mm

    Cottage style oak bi-fold door with grooved centre panels, supplied ready to finish

  • JB Kind Thames Original Oak Door 1981 x 610 x 35mm

    Cottage style oak internal door with grooved centre panel, supplied ready to finish

  • JB Kind Thames Original Oak Door 1981 x 762 x 35mm

    Cottage style oak internal door with grooved centre panel, supplied ready to finish

  • JB Kind Tigris Fully Finished Oak Door 1981 x 686 x 35mm

    Popular contemporary oak veneered internal door with grooved panel effect, supplied complete with varnish finish

  • JB Kind Tigris Fully Finished Oak Fire Door 1981 x 838 x 44mm

    Popular contemporary oak veneered internal door with grooved panel effect, supplied complete with varnish finish

  • JB Kind Trent Internal Oak Door 1981 x 762 x 35mm (30")

    Traditional style oak internal door with two rasied panels, supplied ready for a varnish finish. This door can be trimmed to the following specifications, for anything else please contact our customer helpline for bespoke door options: Maximum Trimming...

  • LPD 4P Oak Door 1981 x 610 x 35mm (24 Inch)

    A versatile door design, the 4P features four raised rectangular shaped panels and an appealing unfinished white Oak wood finish.

  • LPD 4P Oak Door 1981 x 686 x 35mm (27 Inch)

    A versatile door design, the 4P features four raised rectangular shaped panels and an appealing unfinished white Oak wood finish.

  • LPD 4P Oak Door 1981 x 762 x 35mm (30 Inch)

    A versatile door design, the 4P features four raised rectangular shaped panels and an appealing unfinished white Oak wood finish.

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

    A versatile door design, the 4P features four raised rectangular shaped panels and an appealing unfinished white Oak wood finish.

  • LPD Arnhem Fully Finished Oak Door 1981 x 610 x 35mm (24 Inch)

    Two different sized panels, enhanced by decorative beading, create this premium design, perfect for creating a stylish statement in your home.

  • LPD Arnhem Fully Finished Oak Glazed Door 1981 x 762 x 35mm (30 Inch)

    One large glazed panel and one smaller solid panel, enhanced by decorative beading, create this premium design which is perfect for creating a stylish statement in your home.
  • LPD Belize 1L Oak Glazed Door 1981 x 610 x 35mm (24 Inch) LPD Belize 1L Oak Glazed Door 1981 x 610 x 35mm (24 Inch)

    LPD Belize 1L Oak Glazed Door 1981 x 610 x 35mm (24 Inch)

    The ever so popular five vertical panel design showcasing geometry in unfinished oak has a modern twist on a traditional style with the added benefit of a clear glazing panel with frosted lines which replaces half of the unfinsihed oak to let the light...

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.

How to measure an internal door

A blog outlining the ins and outs of how to measure an internal door accurately and precisely.

How to fit door architrave

A how-to guide detailing all the information and tools you need to be able to fit door architrave!

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