Pre-finished, unfinished and primed are the three states an internal door can arrive in, and choosing between them decides how much work you are signing up for, how consistent the result will look, and what the job actually costs once everything is counted.
This guide is about that single decision. If you want to know about the finish materials themselves, our guide to internal door finishes covers paint, oil, stain and lacquer. If you want to choose a colour or a look, our homeowner guide to door finishes covers that. Doors2Floors has supplied doors and flooring to homes and businesses across the UK, and every price below is live.
The Three States in One Paragraph
Pre-finished doors arrive with the complete finish already applied at the factory and are ready to hang. Primed doors arrive with a base coat only and need your topcoats. Unfinished doors arrive as bare timber and need sealing on every face before they settle into a heated house.
The quickest way to decide
If nobody is going to enjoy finishing eight doors, buy pre-finished. If you want a specific colour, buy primed. If you are matching existing timber, buy unfinished.
The prices in our range
Primed starts at £30.84, pre-finished at £75.00 and unfinished at £92.25. Those three numbers explain a lot of the confusion, because the cheapest door to buy is the most expensive in time.
Pre-Finished Internal Doors
What pre-finished means
The manufacturer has applied the full finish to every face and every edge under controlled factory conditions, then packed the door ready to hang.
What our range contains
Our fully finished internal doors collection holds over 350 lines from £75.00 for the LPD Sydney laminated white, up to £297.50 for a Deanta flush fully finished oak FD60 fire door.
The consistency advantage
A spray applied factory finish is more even than anything achievable on a landing with a brush. Across a whole house that difference is visible.
The edges are done
This matters more than people realise. Top and bottom edges are the most commonly missed surfaces when finishing by hand, and they are the main route for moisture into a door.
The time advantage
Hang the door and the job is complete. No drying time, no second coats, no dust sheets, no smell in the house for a week.
The disadvantages
You take the colour that is offered. Local repairs are harder to make invisible than on an oiled finish. And the purchase price is higher than a primed leaf.
Who should buy pre-finished
Anyone who is not employing a decorator and does not want to become one. Landlords, busy households and anyone replacing a whole house at once.
Popular pre-finished options
Our over 20 laminated doors from £75.00, much of our over 290 line oak range from £87.75, our over 110 black doors from £77.50, our over 60 grey doors from £75.00 and our over 30 walnut doors from £167.45.
Primed Internal Doors
What primed means
A base coat has been applied at the factory to seal the surface and give your topcoats something to grip. It is preparation, not protection.
What our range contains
Our internal white primed doors collection holds 82 lines starting at £30.84 for the LPD White Primed Flush, which is also the cheapest door in our entire over 710 line internal doors range.
The colour advantage
This is the whole point. A primed door can be finished in any colour you like, matched to your walls, your skirting or a scheme you already have.
The cost advantage on paper
At £30.84 against £75.00, primed looks dramatically cheaper. It is, until you add paint, brushes, sandpaper, dust sheets and several days.
Primed is not finished
A primed door left unpainted is not protected. Primer is porous and it will mark, and in a damp season the door will take up moisture.
Do the edges
All six faces, including top and bottom. This is the step people skip and then wonder why the door sticks every winter.
Who should buy primed
Anyone who wants a specific colour, anyone already employing a decorator, and anyone doing a phased renovation where the doors will be painted with the rooms.
Style options in primed
Our 9 shaker doors from £106.50 and 11 cottage doors from £55.99 include primed patterns, and our over 20 clearance doors from £53.00 are largely primed stock.
Unfinished Internal Doors
What unfinished means
Bare timber, exactly as it left the factory, with no primer, no seal and no protection of any kind.
What our range contains
Our unfinished internal doors collection holds 84 lines from £92.25 for the LPD Carini unfinished oak, up to £722.63 for a glazed unfinished oak FD30 fire door. Within our oak range, the LPD Belize unfinished oak starts at £87.75.
The matching advantage
If you already have oak joinery, an unfinished door lets you match the existing tone rather than hoping a factory finish is close enough.
The control advantage
Oil, wax, stain, lacquer or varnish, in whatever sheen you want. Nothing else gives you that.
The urgency
Bare timber must be sealed promptly. Leaving unfinished doors stacked in a damp hallway for a fortnight is how they end up moving.
All six faces
Both faces, both stiles, the top edge and the bottom edge. There are no exceptions to this on an unfinished door.
Test before you commit
Oak takes stain unevenly. Test on an offcut or a hidden edge before you put anything on a door you have paid for.
Who should buy unfinished
People matching existing timber, people who want an unusual finish, and people who genuinely enjoy the work.
Aftercare
Our guide to cleaning and maintaining oak doors covers keeping an oiled or waxed finish looking right.
The Honest Cost Comparison
Comparing the purchase price alone is how people talk themselves into the wrong choice.
The purchase price
Primed £30.84, pre-finished £75.00, unfinished £92.25 as starting points in our range.
The materials you add
A primed or unfinished door needs primer where you have exposed bare timber, topcoats or oil, sandpaper in several grades, filler, brushes or rollers, dust sheets and masking tape.
The time you add
Two or three coats on six faces, with sanding and drying between each. Multiply by the number of doors.
The disruption you add
Somewhere to lay doors flat, a room out of use, and the smell of paint through the house.
The decorator you might add
If you are paying someone to do it, the price gap between primed and pre-finished can close entirely.
The consistency you might lose
Eight hand finished doors will never match eight factory finished doors for evenness. Whether that matters is a personal judgement.
The repairability you might gain
An oiled unfinished door can be locally repaired invisibly. A factory lacquer usually cannot.
How to actually decide
Write down the number of doors, be honest about whether you will finish them, and price both routes properly. Our internal door fitting costs guide works through the whole budget.
Which to Choose, by Situation
Whole house replacement in one go
Pre-finished, almost always. The volume of finishing work otherwise is substantial.
Phased room by room renovation
Primed works well, because the doors get painted with the room.
Matching existing oak joinery
Unfinished, so you can match rather than approximate.
Rental property
Pre-finished for durability and speed between tenancies.
Period property with a specific colour scheme
Primed, so you can use exactly the heritage colour you want.
Budget project
Primed if you will do the work, pre-finished if you will not. Our over 20 clearance doors from £53.00 are the other budget lever.
Selling the house
Pre-finished, because it is finished on the day it is hung and there is no half painted door on viewing day.
Fire rated openings
Available in all three states across our over 240 fire doors from £87.39, but the finish must not compromise the assembly. Never paint or fill a seal groove, and confirm requirements with your local building control body or a competent fire risk assessor. Our FD30 versus FD60 guide explains the assembly principle.
Glazed doors
Finishing around beading by hand is fiddly. Pre-finished is the easier route across our over 280 glazed doors from £107.25.
The Decision Room by Room
You do not have to make one choice for the whole house. Mixing states by room is normal and often sensible.
Hallway and landing
The most visible doors in the house and the ones seen side by side. Consistency matters most here, which favours pre-finished.
Living room
Often the door you want in a specific colour to match a scheme. Primed gives you that.
Kitchen
Steam, splashes and cleaning. A wipeable pre-finished or laminated surface holds up better than hand applied paint.
Bathroom
Humidity is the enemy of any finish, and unsealed edges fail first. Whatever you choose, do all six faces.
Bedrooms
Low traffic and rarely scrutinised. A good place to save if the budget is tight.
Home office
Usually a heavier solid leaf chosen for sound. Pre-finished saves finishing a heavy door twice over.
Utility and understairs
Function over appearance. Primed and painted quickly, or clearance stock.
Period rooms
Heritage colours are rarely available as factory finishes. Primed is the practical answer.
Rooms with existing oak
Unfinished, so you can match what is already there rather than introducing a second oak tone.
Rooms you are about to redecorate anyway
Primed, and finish the doors with the walls in one session.
Common Mistakes
Buying primed and never painting
The most common of all. A primed door is halfway through a process, not the end of one.
Skipping the top and bottom edges
Invisible, and the direct cause of most doors that stick in winter. Our guide on stopping doors swelling explains what happens next.
Finishing before trimming
Plane after finishing and you have bare timber on an edge. Trim, then finish.
Painting a pre-finished door
Paying for a factory finish and then covering it. Buy primed instead.
Staining a primed door
Primer covers the grain, so there is nothing for the stain to reveal.
Mixing hand finished and factory finished on one landing
The difference in evenness shows more than people expect.
Leaving unfinished doors stacked in a damp space
Bare timber absorbs moisture quickly. Seal promptly or store properly.
Painting over a fire door seal
Never. Intumescent seals must be able to expand.
Assuming colour names match across brands
Two manufacturers can both call a finish white and produce visibly different doors.
Not ordering a spare
Ranges and batches change. If a door is damaged in two years, matching it is far easier if you have one in the loft.
Forgetting the casing
A beautifully finished door in an unfinished lining looks unfinished. Our over 30 linings and frames from £29.25 and our architraves guide cover the surround.
Forgetting the ironmongery finish
Our over 2,500 door handles, over 210 handles on back plate and over 30 door stop styles from £10.88 should be chosen against the door finish, not after it. Our handles guide covers the families, and our guide to maintaining brass handles covers upkeep.
Ignoring how the doors sit with the floor
Door finish and floor tone are seen together constantly. Our 12 flooring lines from £14.00 and our guides to grey wood floors and engineered oak cover the pairing.
Practical Notes Whichever You Choose
Acclimatise the doors first
Lay them flat in the room they will live in for a few days before hanging or finishing. This applies to all three states.
Never stand doors on edge for weeks
They will bow. Flat, supported, and off a damp floor.
Order the whole schedule together
Batch variation is real in factory finishes and in timber. One order gives the best consistency.
Do not mix ranges across a landing
Two manufacturers using the same colour name will not produce the same colour.
Check the trimming allowance before you finish
If you plane after finishing you will expose bare timber. Trim first, then finish. Our guide on planing a door covers the limits.
Measure before you order anything
Our measuring guide and door sizes guide cover the method and the standard sizes.
Buy the casings and ironmongery at the same time
Our over 30 linings and frames from £29.25, over 350 hinges from £2.37 for ball bearing patterns and over 280 handle packs from £8.99 all ship together. Our frames versus linings guide and hinge guide cover the choices.
Lead paint in older homes
If you are stripping existing joinery, UK homes decorated before 1992 may carry lead paint. Do not dry sand and do not burn off. Take advice on safe removal first.
Oily rag safety
Cloths soaked in oil finishes can self heat and ignite. Dry them flat outdoors or immerse them in water before disposal.
Ventilation while finishing
Ventilate the room, and never block ventilation serving a gas or solid fuel appliance while you do.
Frequently Asked Questions
What is the difference between primed and pre-finished?
Primed has a base coat only and needs your topcoats. Pre-finished has the complete factory finish and is ready to hang.
What is the difference between primed and unfinished?
Primed has a factory base coat. Unfinished is completely bare timber.
Can I paint a pre-finished door?
It is possible with careful preparation, but you are paying for a finish and then covering it. Buy primed instead.
Can I leave a primed door unpainted?
Not for long. Primer is not protection and the door will mark and take up moisture.
Do I have to seal an unfinished door straight away?
Yes. Bare timber in a heated house will move if left unsealed.
Do I need to finish the top and bottom edges?
Always. Unsealed edges are the main route for moisture into a door.
Which is cheapest?
Primed at £30.84 on the shelf. Not necessarily cheapest once materials and time are counted.
Which gives the best finish?
A factory applied pre-finish, for evenness. A hand oiled unfinished door, for character and repairability.
Which is best for a rental?
Pre-finished, for durability and speed.
Can I get oak in all three states?
Yes. Our over 290 oak doors include fully finished and unfinished options from £87.75.
Can I get fire doors pre-finished?
Yes, across our over 150 FD30 and 8 FD60 lines, but never let a finish interfere with the seals.
How many coats does a primed door need?
At least two topcoats on every face, with light sanding between. Our painting guide covers the method.
Will hand finished doors match each other?
Closely, if the same person does them all in one session with the same materials. Not as closely as factory finishes.
Can I stain a primed door?
No. Primer covers the grain. Stain needs bare timber.
What if I change my mind on colour later?
A painted primed door can be repainted easily. A pre-finished door cannot, which is a genuine long term consideration.
Do laminated doors count as pre-finished?
Effectively yes. Our over 20 laminated doors from £75.00 arrive ready to hang and are not intended to be painted.
Which should I choose for a whole house?
Pre-finished, unless you specifically want a colour we do not offer or you are matching existing timber.
Where should I start?
Count the doors, then be honest with yourself about who is finishing them.
Choosing With Doors2Floors
We have supplied doors and flooring to homes and businesses across the UK. Our range covers all three states: over 80 white primed doors from £30.84, over 350 fully finished doors from £75.00 and over 80 unfinished doors from £92.25, within a total internal doors range of over 710 lines.
The rest of this cluster covers the other two halves of the decision. Our guide to internal door finishes covers the materials and how to apply them, and our homeowner guide to door finishes covers choosing a colour and a look room by room. Our white versus oak comparison, best white internal doors and full advice centre cover the wider choice.
Prices and product counts are correct at the time of writing and are subject to change. Manufacturer finishing instructions always take precedence over general guidance, particularly on fire rated assemblies. Confirm any regulatory obligations with your local building control body, a competent fire risk assessor or a suitably qualified professional before ordering or carrying out work.