838mm or 33 Inch Internal Oak Doors

At 838mm, or 33 inches, this is the widest of the standard internal door widths, made for larger rooms, grander openings and the most generous, accessible clear openings. The range runs across panelled, glazed, cottage and period designs in solid oak, all in the standard 1981mm (78 inch) height, prefinished or unfinished.

Lifestyle ledged barn hidden fixings solid oak door installed in a room setting
Product ledged barn hidden fixings solid oak door

Ledged Barn 'Hidden Fixings' Solid Oak Door

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£254.95 (inc VAT) £269.95

Lifestyle DX30 1930s style oak veneer internal door installed in a room setting
Product DX30 1930s style oak veneer internal door

DX30 1930's Style Oak Veneer Internal Door

£136.95 (inc VAT) £141.95

Lifestyle solid oak rustic ledged door installed in a home
Product solid oak rustic ledged door

Solid Oak Rustic Ledged Door

£260.95 (inc VAT) £275.95

Lifestyle solid oak ledge and brace single sliding door kit installed in a room setting
Product solid oak ledge and brace single sliding door kit

Solid Oak Ledge And Brace Single Sliding Door Kit

£308.95 (inc VAT) £323.95

Lifestyle Galway vertical panel oak door installed
Product Galway vertical panel oak door

Galway Vertical Panel Oak Door

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£153.95 (inc VAT) £163.95

Lifestyle Victorian four panel veneer oak door installed in a room
Product unfinished Victorian four panel veneer oak internal door

Victorian 4 Panel Veneer Oak Door

£126.95 (inc VAT) £131.95

Product Mexicano prefinished engineered oak door
Product Mexicano prefinished engineered oak door

Mexicano Engineered Oak Door

£119.95 (inc VAT) £124.95

Product solid oak single sliding barn door kit complete set
Product solid oak single sliding barn door kit

Solid Oak Single Sliding Barn Door Kit

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£264.95 (inc VAT) £279.95

Lifestyle Kingston internal oak door in room
Product Kingston internal oak door

Kingston Internal Oak Door

£173.95 (inc VAT) £183.95

Lifestyle Bury Victorian four panel prefinished internal oak door in room
Product Bury Victorian oak 4 panel door

Bury Victorian Four Panel Prefinished Internal Oak Door

£175.95 (inc VAT) £185.95

Lifestyle Coventry four panel shaker style oak door in room
Product Coventry four panel shaker style oak door

Coventry Four Panel Shaker Style Oak Door

(1)

£151.95 (inc VAT) £161.95

Lifestyle Mexicano contemporary half glazed solid oak door installed
Product Mexicano contemporary half (supplied unglazed, glazing not included) solid oak door

Mexicano Contemporary Half Unglazed Solid Oak Door

(3)

£234.95 (inc VAT) £244.95

Lifestyle solid oak Suffolk half glazed door installed in a home
Product solid oak Suffolk half glazed door alternate view

Solid Oak Suffolk Half Unglazed Door

(2)

£234.95 (inc VAT) £244.95

Lifestyle solid oak two panel door installed in a home interior
Product solid oak two panel door front view

Solid Oak Two Panel Door

(2)

£284.95 (inc VAT) £299.95

Lifestyle solid oak 1930s style glazed door installed in a home interior
Product solid oak 1930s style glazed door alternate product view

Solid Oak 1930s Style Unglazed Door

£274.95 (inc VAT) £289.95

Lifestyle Bury Victorian prefinished glazed oak 4 panel door in room
Product Bury Victorian glazed oak 4 panel door

Bury Victorian Prefinished Glazed Oak 4 Panel Doors

£224.95 (inc VAT) £234.95

Product Belize unfinished oak FD30 fire internal door
Product Belize unfinished oak FD30 fire internal door

Belize Unfinished Oak Internal Door

£102.95 (inc VAT) £107.95

Lifestyle Coventry four panel shaker style prefinished door in room
Product Coventry four panel shaker style prefinished door

Coventry Four Panel Shaker Style Prefinished Door

(1)

£186.95 (inc VAT) £196.95

Lifestyle ledge barn solid oak door in cosy room setting
Product ledge barn solid oak door close up

Solid Oak 4 Ledge Barn Door

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£254.95 (inc VAT) £269.95

Lifestyle Mexicana Ely prefinished internal oak door installed
Product Mexicana Ely prefinished internal oak fire door

Mexicana Ely Prefinished Internal Oak Fire Door

(2)

£205.95 (inc VAT) £215.95

Product Seville oak door with side panel
Product Seville oak door flat view

Seville Prefinished Oak Internal Door

(1)

£143.95 (inc VAT) £153.95

Product Bristol 10 light glazed panel doors
Product Bristol 10 light glazed panel doors

Bristol 10 Light Glazed Internal Door

£240.95 (inc VAT) £255.95

Lifestyle solid oak rustic V-groove profile stable door installed in a room setting
Product solid oak rustic V-groove profile stable door alternate view

Solid Oak Rustic V-Groove Profile Stable Door

(3)

£369.95 (inc VAT) £389.95

Lifestyle DX30 1930s style oak fire door in room
Product DX30 1930s style oak fire door

DX30 1930's Style Oak Fire Door

£216.95 (inc VAT) £226.95

Product Victorian four panel raised mouldings oak door duplicate detail view
Product Victorian four panel raised mouldings oak door detail view

Victorian 4 Panel Raised Mouldings Oak Door

(2)

£195.95 (inc VAT) £205.95

Lifestyle Coventry prefinished four panel clear glazed shaker door in room
Product Coventry prefinished four panel clear glazed shaker door

Coventry Prefinished Four Panel Clear Glazed Shaker

£238.95 (inc VAT) £248.95

Lifestyle solid oak rustic bifold three-ledge bead and butt cottage door installed in a home
Product solid oak rustic bifold three-ledge bead and butt cottage door

Solid Oak Rustic Bi Fold 3 Ledge Bead and Butt Cottage Door

(1)

£369.95 (inc VAT) £389.95

Oak Doors for the Widest 33 Inch Openings

At 838mm, or 33 inches, this is the widest of the standard internal door widths, a step up from the common 762mm (30 inch) leaf and the wider 813mm (32 inch) size. It suits larger rooms, main hallways and grander openings, where a standard door can look a little narrow and a broader leaf reads as generous and well proportioned. It sits at the top of our range of popular door sizes, and these doors come in the standard 1981mm (78 inch) height. Because it gives the most generous clear opening of the standard sizes, it is also the width most often chosen where easier access matters.

Larger Rooms and Easier Access

A broader leaf changes how a doorway feels and works. In a large room or a main through-route it keeps the proportions right, and because the clear opening you actually pass through is wider once the frame is allowed for, it makes moving furniture and everyday movement easier. That same generous opening is why the widest leaves suit step-free and wheelchair use, and you will find the guidance and the doors best suited to it in our wheelchair accessible doors collection. If your openings are narrower, the range steps down to the standard 30 inch (762mm) door and the wider-than-standard 32 inch (813mm) door, and for an opening wider than a standard leaf, or an odd size, a made-to-measure door can be built to fit. A few things worth checking before you order:

  • Measure the structural opening, not the old door, as a 33 inch leaf needs a wider frame and reveal than a standard door.
  • Confirm the height as well as the width: these doors come in the standard 1981mm (78 inch) height.
  • Decide on construction, solid oak throughout or an oak veneer over an engineered core.
  • Choose a finish, prefinished for hanging straight away or unfinished to oil once it is hung.

Styles and Construction to Choose From

Most of the main styles are made in this width, so choosing the widest size does not limit the design you can have. You will find panelled oak doors and traditional period designs, cottage and ledged styles, shaker looks, and glazed oak doors that borrow light between rooms, in both solid oak and oak veneer. Solid oak doors are oak throughout and can be trimmed and refinished over the years, while oak veneer doors face an engineered core that helps a broader leaf stay stable and flat. Where building regulations call for one, certified FD30 fire doors are made in this width too, always as an oak veneer over a fire-resisting core rather than solid oak, as the core is what carries the certification.

Finishing and Hardware

Unfinished oak doors are ready to seal once they are hung, and the finish you choose makes a real difference to how the oak wears. We recommend a hardwax oil such as Treatex, which protects the wood while keeping the grain visible and is easy to refresh in years to come, rather than a stain, varnish or lacquer. You will find oils and care products in our door treatments range, and matching handles, hinges and latches to finish the job in door hardware.

Yes. 838mm is the metric equivalent of a 33 inch door, so the two describe the same leaf width. You will see both used across the range.

838mm (33 inches) is the widest of the standard internal widths, so it is chosen for larger rooms, main hallways and grander openings where a standard door would look a little narrow, and for the most generous, easy-access clear opening. If you need something narrower, the range steps down through the standard 30 inch and other sizes.

They are among the best choices. Because the clear opening you pass through is narrower than the leaf, the widest leaves give the most generous clear opening, so a 33 inch door suits step-free and wheelchair access. See our wheelchair accessible doors collection for the guidance.

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