Buying Guide

A view and useful daylight are not the same thing

Buyers pay for the first and live with the second. In Luxembourg, where the valleys produce dramatic outlooks and the winter produces very little sun, the two frequently point in opposite directions.

The distinction, stated plainly

A view is what you can see. Useful daylight is how much sky the room can reach, and how deep that light travels into it. A room can have an excellent view and poor light, and the second is what you experience every day.

Luxembourg City makes this unusually easy to get wrong, because the plateau is cut by the Alzette and Pétrusse valleys and the most striking outlooks are frequently across a valley towards a wall of ground and buildings. That is a view. It is also a substantial portion of the sky removed.

Measuring the light rather than admiring the outlook

Three measurements, taken in a few minutes.

The angle to the obstruction. Stand at each window and estimate the angle to the top of whatever faces you. Where that exceeds roughly forty-five degrees, a south-facing room on a low floor receives very little direct sun in winter, when the sun stays low and sets before half past four in late December.

Window head height. Light penetrates in proportion to how high the top of the window sits, not to how wide it is. A tall narrow window lights a room more deeply than a wide low one, which is why period buildings with tall openings often outperform newer ones with broader glazing.

Room depth. Useful daylight reaches roughly two to two and a half times the window head height into a room, so a deep living room with a low head will have a dark far end whatever the view is.

Orientation, checked rather than asked

Open the compass on your phone in the living room and in each bedroom and write the bearings down, rather than accepting an answer given from memory.

South receives usable light through the middle of the day year-round and can overheat in summer in modern buildings with large glazed areas. East takes the morning. West takes the late afternoon and evening. North receives no direct sun and is even, glare-free and dark by mid-afternoon in winter.

A north-facing room with a spectacular valley view is the clearest version of the trade this article is about, and it is worth naming before rather than after an offer.

What a view is genuinely worth

It is worth something, and it is worth less than buyers assume at the point of purchase and more than they assume at the point of resale, because it is one of the few characteristics that cannot be reproduced.

Two cautions. A view can be built out: check what is opposite, whether it is a protected outlook or a development site, and whether anything appears in the general assembly minutes or on notices in the neighbourhood. And a view over a courtyard that is quiet is a different asset from a view over a valley that is dark, even though both are described as an outlook.

The winter test, which settles most of it

The heating season runs roughly October to April, and a substantial share of days between November and February are overcast. Judging light on a bright June afternoon produces a decision you will live with in February.

Where you cannot visit in winter, do two things. View at the hour you will normally be home rather than at the hour that suits the schedule. And view once after dark: turn off every light in the room and look out, because what you can see of the sky is what will light the room in daylight.

Ask when the photographs were taken. A summer gallery published in January invites exactly the comparison you should be making.

What you can change, and what belongs to the building

Inside the apartment: curtains hung outside the reveal rather than within it, so they clear the glass entirely when open; pale matt finishes on anything large; a mirror positioned to face a window rather than into the room; and three or four light sources at different heights, since a single ceiling fitting does not make a north-facing living room usable in February.

Not yours to change: the openings themselves, the glazing in most cases, and any external shading. The facade is almost always a common part of the copropriété even where a balcony is for your exclusive use, and improvement works require an absolute majority of all millièmes at the general assembly.

That last point is why light belongs in the purchase decision rather than the renovation plan.

Three questions we are asked

Does a view add to the price per square metre? It can, and it should be assessed alongside the light rather than instead of it. Compare on normalised habitable surface excluding terrace and cellar, then value the outlook separately.

Is a valley apartment always dark? No, and it depends on the floor level, the aspect and which side the slope is on. Measure the angle rather than generalising about the district.

Which matters more for resale? Light, because it affects every household. A view appeals strongly to some buyers and is priced by fewer of them than sellers expect.

Putting a value on the trade

The way to decide rather than agonise is to separate the two and price each.

Write down what the light actually is: compass bearings, the angle to the obstruction from each window, window head height against room depth, and the number of external walls. That produces a factual description of five months of the year.

Then write down what the view is worth to you, honestly, and check whether it is protected. A view over a development site is a temporary asset; a view over a valley wall is permanent and so is the shade it casts.

Where the two conflict, weight the light. It affects every household, which is what determines liquidity, and it is the characteristic you cannot alter, since the openings and the facade are common parts of the co-ownership rather than yours.

Where the two most often diverge in this city

Three situations recur, and recognising them shortens a search considerably.

The valley apartment. Grund, Clausen and Pfaffenthal produce outlooks that photograph beautifully, and a valley wall removes a large portion of the sky. Ask which side the slope sits on and estimate the angle from each window.

The high floor facing a courtyard. Quiet, private, frequently pleasant, and the outlook is a wall at close range. Here the view is poor and the light may be adequate, which is the opposite trade and easier to accept.

The top floor with roof lights. Excellent daylight, no view at seated height, and a summer overheating question if the glazing faces south or west without external shading. External shutters stop heat before it enters; internal blinds only stop glare, and you cannot add external shading yourself because the roof and facade are common parts.

None of these is a fault. Each is a specific trade, and naming it before the offer is the whole exercise.