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01 No tower stands out, and it is not a coincidence
Anyone arriving in Muscat from another Gulf capital immediately notices what is missing: there are no glass towers competing to be the tallest, no financial district of skyscrapers lit up at night. The city's skyline is set by the mountain, not by the most ambitious building of whichever developer is in play.
That happens in a governorate that in 2023 counted around 1.72 million inhabitants: this is not a small city that has simply not yet had the chance to grow upwards. It is a capital of considerable size that has decided, and sustained for more than three decades, not to do so.
02 A 1992 order with two simple rules
The legal instrument is called Local Order 23/92, the building regulation of the Muscat municipality, in force since April 1992. Its two most visible effects for a visitor are simple to sum up: a height limit that keeps practically the whole building stock at around 40 metres or twelve floors, and a requirement for white or earth-toned façades, consistent with the landscape and with traditional Omani architecture.
The rule is not absolute: domes, minarets, ventilation towers and other decorative or functional elements may exceed the general limit. That is why a mosque's minarets or the dome of an institutional building do stand out above the rest without breaking the rule; what never happens is that an office block or a hotel wins that battle for metres.
- Limited heightAround 40 metres or twelve floors for ordinary buildings across most of the city.the limit
- Mandatory colourWhite or earth tones on façades, mouldings and enclosures; no large-scale saturated colours.the colour
- Specific exceptionsDomes, minarets and ventilation towers may exceed the general limit.the exception
03 Why white, besides looking good, is functional
The municipality itself has explained the choice of colour in practical, not merely aesthetic terms: light façades reflect solar radiation and absorb far less heat than dark ones. In a city where the mean maximum exceeds 39 degrees in May, that difference is not a decorative nuance, it is a thermal comfort strategy applied at the scale of an entire city.
White also connects with something that predates the rule: traditional Omani architecture already worked with light renders and with earth tones taken from the landscape itself. The 1992 ordinance did not invent a style from scratch; it codified and made compulsory a language the city already recognised as its own.
Muscat's white does not decorate the city: it cools it. And along the way, it makes it recognisable from any mountain around.
04 The comparison that explains it all
The quickest way to gauge how far this is a decision, and not a geographical accident, is to compare Muscat with its Gulf neighbours. A few hours' flight away there are capitals that have done exactly the opposite: competing for the tallest tower as a statement of intent. Muscat had the same access to concrete, steel and glass, and chose not to play that game.
The justification repeated by the municipal authorities themselves is direct: they do not want skyscrapers competing with the mountains. Put another way, the rule does not protect an empty skyline by accident; it deliberately protects the relationship between the city and the landscape around it, the same landscape that already determined where and how the city could grow.
05 Where it is best seen
The best place to see the effect is not at street level, where white is simply the colour of the wall next door, but from height: a fort, a mountain road, any viewpoint over one of the coves. From there you see at once what the rule protects: an unbroken strip of light-toned façade that never wins out over the dark rock behind it.
It is worth knowing because it changes how you look at the city. What at first glance looks like uniformity or a lack of architectural ambition is in fact a rule applied with discipline for more than thirty years, with a thermal reason behind it and an explicit aesthetic intention: that the mountain remains the tallest thing in sight.
