Painting Interior & Exterior Shutters: London Homeowner's Guide

Shutters are among the most elegant and practical window treatments found in London homes. Original interior shutters survive in many Georgian and Victorian properties across Mayfair, Belgravia, Chelsea, and Kensington, folding back into deep window reveals or boxing neatly into purpose-built shutter boxes. Exterior shutters, though less common in London than in continental European cities, are found on some period properties and have experienced a revival as both decorative features and practical solutions for light control and security.

Whether your shutters are original features of a two-hundred-year-old townhouse or newly installed plantation-style additions, painting them properly requires specific knowledge and technique. The louvred or panelled construction of shutters creates multiple surfaces, edges, and recesses that demand methodical preparation and application if the finished result is to be beautiful and lasting.

This guide covers both interior and exterior shutter painting, addressing the distinct requirements of each.

Interior Shutters

Types Found in London Homes

Original panelled shutters: These are the traditional shutters found in Georgian and Victorian properties. They consist of solid panels within a frame of rails and stiles, similar in construction to a panelled door. They fold back into the window reveal when open and close across the window to provide privacy, light control, and insulation. In the finest properties, they may be three or four leaves per side, with the innermost leaves having smaller panels to fit behind the window architrave.

Plantation shutters: The most popular type being installed in London today. Plantation shutters feature adjustable louvres (typically 63mm, 76mm, 89mm, or 114mm width) within a frame. They provide excellent light control and ventilation while maintaining privacy. Available in wood, MDF, and composite materials.

Tier-on-tier shutters: Two sets of shutters stacked vertically, allowing the upper and lower sections to be operated independently. Common in tall sash windows where different light control is desired at different heights.

Solid shutters: Shutters without louvres or panels — essentially flat boards within a frame. Used where complete light blockout is required, such as in bedrooms or media rooms.

Preparation for Interior Shutters

Previously painted shutters:

1. Remove the shutters from their hinges if possible. This makes painting dramatically easier and produces a better result. Label each shutter and its position to ensure correct refitting.
2. Remove all hardware — hinges, catches, pull knobs, and shutter bars. Bag and label the hardware for each shutter.
3. Clean all surfaces with sugar soap to remove dust, grime, and finger marks.
4. Sand all surfaces with 240-grit sandpaper to key the existing paint. For louvred shutters, sanding sponges conform to the louvre profiles better than flat sandpaper.
5. Fill any chips, dents, or cracks with a fine surface filler. Sand smooth once dry.
6. Wipe down with a tack cloth to remove all dust.

Bare wood shutters (new installation):

1. Sand with 120-grit, then 240-grit sandpaper.
2. Apply knotting solution to any visible knots (timber shutters only; not needed for MDF or composite).
3. Apply a suitable wood primer. For MDF, use a specialist MDF primer.
4. Sand primer lightly with 240-grit once dry.
5. Apply undercoat if changing colour significantly.

Paint Selection for Interior Shutters

Interior shutters need a durable finish that can withstand regular handling and the occasional knock. They also need a finish that enhances the detail of the construction — whether that is the flat panels of traditional shutters or the angled louvres of plantation shutters.

Water-based eggshell: Our recommendation for most interior shutters. Modern water-based eggshells from Farrow & Ball, Little Greene, or Dulux Trade provide a subtle sheen that highlights the form of the shutter without the hard reflectivity of gloss. They are durable, low-odour, and dry quickly — important when you are painting multiple shutters and need to work efficiently.

Water-based satinwood: A slightly higher sheen than eggshell, suitable for shutters in kitchens and bathrooms where greater moisture resistance and cleanability are valuable.

Oil-based eggshell: Some decorators and clients prefer oil-based finishes for their superior flow and levelling characteristics. Oil-based paints produce a fractionally smoother finish than water-based products, which can be noticeable on large flat panels. However, they yellow over time (particularly in rooms with little natural light), have a stronger odour, and dry more slowly.

Painting Technique for Louvred Shutters

Louvred shutters are among the most challenging items to paint well. The multiple angled surfaces, thin edges, and tight spaces between louvres create numerous opportunities for drips, runs, and missed areas.

The professional sequence:

1. Open the louvres fully. Position them so you can access both upper and lower surfaces.
2. Paint the louvre edges first. Using a small brush (25mm or smaller), paint the thin leading and trailing edges of each louvre.
3. Paint the louvre faces. Working from the inside of the shutter outward, paint the flat faces of each louvre with smooth, even strokes following the grain direction.
4. Check for drips. After painting each louvre, check the edge below for drips and runs. Catch and smooth these immediately.
5. Paint the frame. Once all louvres are complete, paint the surrounding frame — stiles, top rail, and bottom rail.
6. Close and check. Once the paint has begun to set (but before it is fully dry), gently close the louvres and check that they are not sticking. If any adhesion is occurring, break it gently and adjust the louvre angle.

Critical tip: Do not overload the brush. On louvred shutters, excess paint runs from the louvre edge onto the surface below, creating drips that are extremely visible on the angled surfaces. Load the brush lightly, apply thin coats, and build coverage through multiple coats rather than one heavy application.

Painting Technique for Panelled Shutters

Panelled shutters follow the same painting sequence as any panelled door or panel:

1. Moulding profiles around each panel
2. Panel fields
3. Horizontal rails (including the centre rail or muntin bar)
4. Vertical stiles
5. Edges

Work quickly enough to maintain a wet edge within each section, and lay off (make final, light smoothing strokes) in the direction of the grain.

Exterior Shutters

Types Found in London

Exterior shutters are less common in London than interior shutters, but they are found in several contexts:

Louvred exterior shutters: Fixed or operable louvred shutters, typically on Georgian or Regency properties influenced by continental design.

Solid panelled exterior shutters: Occasionally found on ground-floor windows for security, or on properties with a French, Italian, or colonial architectural influence.

Decorative fixed shutters: Non-functional shutters fixed to the wall beside windows for decorative effect. More common in suburban London than central.

Preparation for Exterior Shutters

Exterior shutter preparation is more demanding than interior because the surfaces must withstand weather exposure.

1. Remove if possible. Exterior shutters are best painted off the wall, laid flat on trestles. This allows access to all surfaces and prevents runs.
2. Strip if necessary. If the existing paint is thick, cracked, or peeling, strip to bare wood using a heat gun or chemical stripper.
3. Repair any timber damage. Check for rot, particularly at the bottom rail and the joint between stiles and bottom rail where water collects. Repair with a timber repair system or replace damaged sections.
4. Sand thoroughly. Work through 80-grit, 120-grit, and 240-grit papers.
5. Apply preservative. If the shutters are bare wood, apply a timber preservative to all surfaces, paying particular attention to end grain.
6. Prime. Apply an exterior wood primer to all surfaces, including edges and end grain.

Paint Selection for Exterior Shutters

Exterior shutters need a paint system that provides weather protection, UV resistance, and flexibility to accommodate timber movement through seasonal changes.

Exterior gloss: Traditional and highly effective. A good exterior gloss provides a hard, weather-resistant surface that sheds water and resists UV degradation. Apply two coats over primer and undercoat.

Exterior eggshell or satin: Lower sheen alternatives that are increasingly popular. Modern exterior satin finishes offer comparable durability to gloss with a more contemporary appearance.

Microporous paints: These breathable paints allow moisture vapour to pass through the coating, preventing the blistering and peeling that can occur when moisture is trapped beneath a non-breathable paint film. Particularly recommended for shutters on older properties where the timber may have higher moisture content.

Colour for Exterior Shutters

Exterior shutter colour is a significant design decision that affects the building's facade.

White and off-white: The most common choice, particularly on white or light-coloured facades. Clean, fresh, and universally appropriate.

Matching the window frames: Painting shutters the same colour as the window frames creates a unified, coordinated appearance.

Contrasting the facade: Dark shutters on a light facade, or light shutters on a dark facade, create a striking contrast that emphasises the window proportions. This is the continental approach that works well on London properties with French or Italian architectural influences.

Bold colour: Brightly painted shutters are characteristic of some London neighbourhoods, particularly Notting Hill and Portobello Road area. Primary blues, deep reds, and rich greens can look wonderful on the right property.

Common Problems and Solutions

Sticking Louvres

The most common complaint after painting louvred shutters is that the louvres stick. This occurs when paint bridges the small gap between the louvre edge and the frame. Prevention is better than cure:

• Apply thin coats rather than thick ones
• Operate the louvres gently once the paint is touch-dry to break any bridging before it fully hardens
• In severe cases, a thin application of candle wax to the louvre pivots after the paint has fully cured provides lubrication

Paint Peeling on Exterior Shutters

Peeling on exterior shutters is usually caused by moisture in the timber. The moisture attempts to escape through the paint film, and when the adhesion of the paint is not strong enough to resist, the paint lifts away from the surface.

Solutions include:

• Ensuring timber is dry (below 16 percent moisture content) before painting
• Using microporous paints that allow moisture to escape
• Treating end grain and joints with extra primer and paint to reduce moisture ingress
• Ensuring the back and edges of shutters are painted as well as the front face

Yellowing of White Paint

White oil-based paint yellows over time, particularly in locations with limited natural light (such as shutters that are usually closed). Water-based whites are non-yellowing and should be the first choice wherever a pure white is desired.

Drips in Louvre Recesses

Drips that have dried in the recesses between louvres are extremely difficult to remove without damaging the surrounding finish. The only real solution is prevention: light loading of the brush, thin coats, and careful checking of each louvre after painting.

Spray Painting Shutters

For multiple shutters, spray painting offers significant advantages:

• Speed: A set of shutters that might take a day to paint by brush can be sprayed in half the time
• Finish quality: Spray application produces an exceptionally smooth, even coating without brush marks
• Coverage of complex geometry: The atomised paint reaches into louvre angles and recesses more evenly than brush application

However, spray painting requires:

• Removal of the shutters from the property
• A suitable spray facility (well-ventilated, dust-free, with appropriate extraction)
• Masking of any hardware or components that should not be painted
• Professional spray equipment and an experienced operator

We offer spray painting for shutters in our workshop, which is ideal for projects involving multiple shutters where the superior finish and efficiency of spray application justify the removal and reinstallation process.

Maintenance

Interior Shutters

Dust louvred shutters regularly — a microfibre cloth or a vacuum with a brush attachment works well. Wipe painted surfaces with a damp cloth periodically to remove fingerprints and marks. Avoid using harsh cleaners or abrasives that could damage the paint finish.

Plan for repainting every seven to ten years for interior shutters in normal domestic use.

Exterior Shutters

Inspect annually for signs of paint deterioration, timber decay, or hardware failure. Clean with warm soapy water and a soft brush. Touch up any damaged areas promptly to prevent moisture ingress.

Plan for repainting every five to seven years for exterior shutters, or more frequently for south- and west-facing exposures.

Professional Shutter Painting

At Mayfair Painters and Decorators, we paint shutters across London — from the original panelled shutters of Georgian Belgravia to newly installed plantation shutters in contemporary Chelsea apartments. Our team understands the specific techniques that shutter painting demands, and we can advise on colours, finishes, and paint products that will deliver a beautiful, lasting result.

Contact us for a free quotation. We are happy to assess your shutters, discuss your requirements, and recommend the best approach for your property.