Dressing a London Window: A Practical Guide to Shutters and Blinds

The Victorian and Edwardian terraces that make up so much of London were built with generous windows and no expectation that anyone would be looking through them from four feet away. A bay window facing directly onto a pavement is a lovely architectural feature and a genuine privacy problem, and the standard solution — net curtains — solves it by permanently giving up the light the window was designed to admit.

That trade-off between light and privacy is the central question in dressing a period window, and it is the reason interior shutters have moved from a niche choice to a mainstream one over the last fifteen years. Adjustable louvres let you separate the two variables: light in, sightlines out.

Getting the choice right, though, involves rather more than picking a colour.

The styles, and what each one is actually for

Full height shutters cover the entire window in a single run of panels. Most are supplied with a divider rail — a horizontal bar partway up that allows the louvres above and below to be operated independently. This is the detail that makes them work in a front room: close the lower half against the street, leave the upper half open, and the room stays bright while remaining private. Without a divider rail, a full height shutter is an all-or-nothing proposition.

Tier-on-tier takes the same principle further, splitting the shutter into two separately hinged sets of panels. You can open the top half completely while the bottom stays shut. It costs more than full height and is more involved to make, but for a ground-floor window directly onto a busy street it is the most flexible option available.

Café style covers only the lower portion of the window, leaving the top open with no panel at all. It suits kitchens and rooms where the view above eye level is worth keeping, and it has a distinctly continental character that works well in some interiors and looks incomplete in others.

Solid panel shutters have no louvres, and function more like traditional internal window shutters. They give total blackout and a substantial period feel, at the cost of any ability to modulate light.

Bay windows are their own discipline. Angled returns, unequal panel widths and the need for panels to fold without fouling each other or the reveal all require careful setting out. This is where the quality of the survey matters more than the quality of the product.

Blinds still have a case to make

Shutters are not automatically the right answer for every window, and a good supplier will say so.

Roller blinds remain the most cost-effective way to control light in a room where a shutter would be over-specified. Modern fabric ranges have moved a long way, and water-resistant options work in bathrooms and kitchens where timber is less at home. Motorised versions are now genuinely affordable and make sense for windows that are physically hard to reach — above a stairwell, or behind a fixed unit.

Vertical blinds are unfashionable in some quarters but remain the most sensible treatment for wide patio doors and full-height glazing, because the vanes can be drawn back like a curtain to give clear access. Nothing else handles a five-metre run of glass as gracefully.

Combination shutter-and-shade systems, where a blind is integrated behind or within the shutter, are worth knowing about for bedrooms, where louvres alone will not deliver true blackout.

Material choices

Hardwood is the premium option: the strongest for its weight, which means narrower stiles and a larger glass area, and the most stable over long panel spans. It takes paint and stain well and is the right choice for wide or tall windows.

Engineered timber and MDF-cored shutters offer a good painted finish at lower cost and perform well in most rooms, though the panels are heavier and there are limits on span before the design has to be broken up with an extra hinge line.

Waterproof composite or vinyl shutters are the sensible answer in bathrooms, en-suites and anywhere with sustained humidity, where a timber product will eventually move or swell.

Louvre width is a genuine design decision rather than a detail. Narrower louvres read as more traditional and give finer light control; wider ones give a cleaner, more contemporary look and a better view when open. Seeing both in situ is far more useful than seeing them in a catalogue.

Measuring is not a DIY job

Shutters are made to measure to millimetre tolerances, and the fit depends on things that are not obvious from a tape measure: whether the reveal is square, how deep it is, whether the window opens inwards, where the handles sit, and whether an inside-recess fit is even possible. Older London properties are rarely square, and a reveal that is 8mm wider at the top than the bottom is entirely normal.

The difference between a recess fit and a face fit — mounting inside the opening versus on the wall around it — changes the appearance, the effective glass area and the price. So does the frame style, of which there are several, and the decision is partly aesthetic and partly dictated by what the window will physically allow.

Any established supplier of window shutters in London will survey the window themselves and take responsibility for the measurements, which is the point at which the guarantee becomes meaningful. Measuring your own windows to save a fee is a false economy on a bespoke product with no resale value if it is wrong.

Two things worth knowing before you commit

Lead times are long. Made-to-measure shutters are manufactured to order and frequently involve overseas production. Several weeks is normal and longer is not unusual, so if the work is tied to a decorating schedule or a house move, order early.

Child safety is regulated. Blinds with cords or chains must comply with safety requirements designed to prevent looped cords becoming a strangulation hazard, and any reputable supplier will fit safety devices or supply a design that is safe by default. Shutters sidestep the issue entirely, which is one reason they are popular in nurseries and children's rooms.

The longer view

Shutters are a fixture rather than a furnishing. They stay with the house, they are widely regarded as adding to its appeal, and a well-made set will outlast several rounds of redecoration.

That permanence cuts both ways. It justifies spending more than you would on a blind, and it makes the survey, the fit and the supplier's willingness to come back and adjust something far more important than the headline price. Ask what happens if a panel drops or a louvre tension goes slack in two years — the answer tells you a great deal.