A pre-finished internal oak door has numerous coats of a hard-wearing, clear lacquer professionally applied and arrives ready to hang, saving a lot of time and effort. For more information, view our pre-finished internal oak door guide.

Our range of pre-finished internal oak doors include solid, glazed, fire-rated, bi-fold, internal French doors and room dividers in traditional and contemporary styles to suit any home. Many of our pre-finished internal oak doors form part of a range allowing you to carry a door style throughout your entire home.

All our doors come with a 10-year manufacturers defect guarantee (25 years on some ranges), a 10-year finish guarantee, and are FSC certified. Additionally, all our oak doors have an engineered solid core for superior performance and soundproofing.

As always, we are here to help. If you need any advice regarding which doors to choose or help making sure you order the correct size, just send us a message, call us, or chat with us online.

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193 Products
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Suffolk Original Oak Pre-Finished Internal Door Internal Door XL Joinery
XL JoinerySuffolk Original Oak Pre-Finished Internal DoorAvailable in 14 sizes
Sale price From £150.00
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Oak Mexicano Pre-Finished Internal Door Internal Door LPD Doors
LPD DoorsOak Mexicano Pre-Finished Internal DoorAvailable in 13 sizes
Sale price From £136.00
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Ely Prefinished Oak Internal Door Internal Door Deanta
DeantaEly Prefinished Oak Internal DoorAvailable in 14 sizes
Sale price From £132.00
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Palermo Original Pre-Finished Oak Internal Door Internal Door XL Joinery
XL JoineryPalermo Original Pre-Finished Oak Internal DoorAvailable in 14 sizes
Sale price From £150.00
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Suffolk Essential Oak Pre-Finished Internal Door Internal Door XL Joinery 1981 x 610 x 35mm (24'')
XL JoinerySuffolk Essential Oak Pre-Finished Internal DoorAvailable in 14 sizes
Sale price From £132.00
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Oak Belize Pre-Finished Internal Door Internal Door LPD Doors
LPD DoorsOak Belize Pre-Finished Internal DoorAvailable in 14 sizes
Sale price From £124.00
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Seville Prefinished Oak Internal Door Internal Door Deanta
DeantaSeville Prefinished Oak Internal DoorAvailable in 14 sizes
Sale price From £131.00
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Oak Vancouver 5 Panel Pre-Finished Internal Door Internal Door LPD Doors
LPD DoorsOak Vancouver 5 Panel Pre-Finished Internal DoorAvailable in 14 sizes
Sale price From £150.00
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Oak Mexicano Pre-Finished Internal Fire Door FD30 Internal Fire Door LPD Doors
LPD DoorsOak Mexicano Pre-Finished Internal Fire Door FD30Available in 9 sizes
Sale price From £164.00
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Save £15.00
Oak Melbourne Pre-Finished Internal Door Internal Door LPD Doors
LPD DoorsOak Melbourne Pre-Finished Internal DoorAvailable in 3 sizes
Sale price£309.00 Regular price£324.00
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Palermo Essential Pre-Finished Internal Oak Door Internal Door XL Joinery 1981 x 457 x 35mm (18'')
XL JoineryPalermo Essential Pre-Finished Internal Oak DoorAvailable in 14 sizes
Sale price From £132.00
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Bury Prefinished Oak Internal Door Internal Door Deanta
DeantaBury Prefinished Oak Internal DoorAvailable in 9 sizes
Sale price From £158.00
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Victorian 4 Panel Pre-Finished Internal Oak Door Internal Door XL Joinery
XL JoineryVictorian 4 Panel Pre-Finished Internal Oak DoorAvailable in 9 sizes
Sale price From £152.00
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Suffolk Original Oak Pre-Finished Internal Fire Door FD30 Internal Fire Door XL Joinery
XL JoinerySuffolk Original Oak Pre-Finished Internal Fire Door FD30Available in 10 sizes
Sale price From £180.00
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Pattern 10 Pre-Finished Internal Oak Door Internal Door XL Joinery
XL JoineryPattern 10 Pre-Finished Internal Oak DoorAvailable in 11 sizes
Sale price From £155.00
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Bury Prefinished Oak Bevelled Glazed Internal Door Internal Door Deanta
DeantaBury Prefinished Oak Bevelled Glazed Internal DoorAvailable in 9 sizes
Sale price From £199.00
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Palermo Original Pre-Finished Oak Internal Fire Door FD30 Internal Fire Door XL Joinery
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Pattern 10 Pre-Finished Internal Oak Door with Clear Glass Internal Door XL Joinery
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Save £21.00
Coventry Prefinished Oak Glazed Internal Door Internal Door Deanta
DeantaCoventry Prefinished Oak Glazed Internal DoorAvailable in 8 sizes
Sale price From £190.00 Regular price£211.00
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Save £16.50
Coventry Prefinished Oak Internal Door Internal Door Deanta
DeantaCoventry Prefinished Oak Internal DoorAvailable in 11 sizes
Sale price From £149.50 Regular price£166.00
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Salerno Oak Pre-Finished Internal Door Internal Door XL Joinery
XL JoinerySalerno Oak Pre-Finished Internal DoorAvailable in 11 sizes
Sale price From £152.00
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