Painting Interior Doors in London Homes: The Complete Guide
How to paint interior doors in London homes. Preparation, primer choice, brush vs roller, colour ideas, and the sequence to follow for a smooth, durable finish on period and modern doors.
Painting Interior Doors in London Homes
Interior doors take more wear than almost any other painted surface in a home. They are opened and closed hundreds of times a week, grabbed with greasy or dirty hands, knocked with bags and furniture, and exposed to temperature fluctuations that cause timber to swell and shrink with the seasons. In London's period housing, the doors are also often 120 or 140 years old -- solid timber, deeply profiled, and painted many times over. Getting a durable, professional finish on an interior door requires more preparation than most people expect.
This guide covers the full process, from assessing the existing surface through to the final coat.
Types of Interior Doors in London Properties
Victorian and Edwardian London houses have four or six panel doors in solid softwood -- pine or Deal -- with a raised and fielded panel design. The moulded sections around the panels, called the stile and rail sections, are what make these doors attractive and what make them time-consuming to paint properly. They trap paint, cause runs if the product is applied too heavily, and require careful sequencing to paint without overlapping wet edges.
Post-war properties -- 1930s semis, 1960s purpose-built flats -- typically have flush doors, either hollow-core or solid-core. These are significantly easier to paint: a single flat surface that takes a roller well, with minimal profiling to navigate.
Modern new build properties usually have primed or factory-finished MDF or timber-veneer doors. These need gentle preparation and are often already in good condition; the challenge is getting a perfect finish on a surface that is mechanically smooth and reveals any brush marks clearly.
Preparation on Period Panel Doors
The preparation stage on a Victorian panel door is the most important and the most time-consuming part of the job. Many London homes have doors that have had fifteen or twenty previous paint coats applied over the years. This build-up rounds off the crisp shadow lines that make period doors so attractive, and it can cause adhesion failures if the surface is not properly assessed.
We begin with a thorough inspection of the existing surface. Areas that are flaking or lifting are stripped back. On heavily built-up sections -- particularly the edges of panels and the mouldings in the corners -- we may use a heat gun on a low setting, keeping it moving to avoid scorching, to soften and remove old coatings before re-priming.
The entire door is sanded with 120-grit paper: flat sections with a sanding block to avoid rounding edges, profiled sections with a sanding sponge that conforms to the shape without flattening the detail. The aim is to key the surface and produce a smooth, even base rather than to strip it back to bare timber.
Cracks and paint chips are filled with a fine surface filler, applied with a flexible knife and sanded back flush when dry. The door is then cleaned with a damp cloth followed by a tack rag to remove all dust before priming.
Priming
On doors with a mix of oil-based and water-based previous coatings -- which is common on London period properties -- we use Zinsser BullsEye 1-2-3 as a primer. It bonds to almost any previous surface, seals stains, and provides a consistent base for water-based topcoats. On doors that have been consistently coated in oil-based products throughout, we may use an oil-based primer for better compatibility.
On bare or newly stripped timber, two coats of primer are needed, with a light sand between coats.
Painting Sequence for Panel Doors
The sequence in which you paint a panel door matters. Work in the wrong order and you get overlap marks at every joint, because the section you painted first has skinned over by the time you reach the adjacent section.
The correct sequence is: panels first, then mouldings around the panels, then horizontal rails, then vertical stiles, then the door edge on the opening side, and finally the door edge on the hinge side. This sequence means that every wet edge you cut into is still wet from the previous section, allowing the paint to flow together without a visible seam.
On a four-panel door, this takes discipline and a methodical pace. The key is to keep each section manageable -- paint one panel, lay it off, move to the mouldings while the panel is still wet enough to blend at the edges.
Brush vs Roller for Interior Doors
For flat-panel and flush doors, a short-nap foam roller (4mm nap) produces the smoothest finish -- it eliminates brush marks entirely on the flat sections. The roller is used for the main field, and a brush is used to cut in at the edges and work into any profiled sections.
For traditional panel doors, a brush throughout gives better control in the profiled mouldings. A 2-inch Purdy or Hamilton bristle brush is ideal for the main sections; a smaller 1.5-inch brush for the moulding detail. The technique is to lay the paint on with short strokes, then lay it off with long, light strokes in the direction of the grain, lifting the brush gradually at the end of each stroke to avoid drag marks.
Sheen Level: Eggshell or Satinwood?
Full gloss is rarely the right choice for interior doors in modern London homes. It shows every imperfection on the surface, is visually demanding, and looks dated in contemporary interiors. Eggshell or satinwood sheen levels are more appropriate for almost all residential contexts: they are washable and practical, but they read as softer and more considered than full gloss.
Farrow and Ball's Estate Eggshell, Little Greene's Intelligent Eggshell, and Dulux Trade Satinwood are the products we use most frequently. All are water-based and low-odour -- important in occupied homes where ventilation may be limited.
Colour Choices for Interior Doors
Painting all interior doors in a contrasting colour to the walls is one of the most effective ways to give a London home a distinctive, considered feel. Dark woodwork -- Farrow and Ball's Railings, Purbeck Stone, or Down Pipe -- against off-white or pale grey walls is a combination that has become popular across London's period housing stock for good reason: it grounds the room, references the original Victorian or Edwardian palette, and creates visual contrast that reads as intentional and confident.
For a lighter approach, painting doors in the same colour as the walls but in a higher sheen level -- walls in matt, doors in eggshell -- creates a tonal layering that is subtle but sophisticated.
Contact Us
We paint interior doors as part of full redecorations or as standalone woodwork projects across London. Contact us for a free quotation and advice on the right specification for your home.