Docken and Forum: Copenhagen's Big Utility Rooms

Every city has rooms that were built for something else and got drafted into live music because they were big and empty and available. Copenhagen has two of the best examples going, and they sit at opposite ends of the character scale. Docken is a raw former salt warehouse out in the Nordhavn docks, all bare concrete and industrial bones. Forum is a grand functionalist exhibition hall from 1926 over on Rosenørns Allé, a piece of proper architectural heritage with a Metro station named after it. Neither was designed to host a gig. Both do it constantly, and both ask something of you in return. Here’s how to read them.

I’m pairing them deliberately, because they solve the same problem from opposite directions. When a tour is too big for the mid-size halls but doesn’t warrant the full 16,000-seat gamble of the arena, these are the rooms that catch it — flexible, generous multi-purpose spaces that can be a trade fair on Tuesday and a metal show on Saturday. That flexibility is exactly what makes them frustrating and useful in equal measure.

Docken: the warehouse in Nordhavn

Docken sits on Færgehavnsvej, deep in the industrial Nordhavn harbour district, and it has never pretended to be anything other than what it is — a former salt warehouse that started working as an event venue around 2006 and kept its raw industrial skeleton on show. Bare structural columns, high ceilings, concrete underfoot, the honest bones of a working dock building. The main halls run to around 2,600 square metres with a further 6,000 square metres of outdoor space, and on a full concert configuration the place will take something in the region of 6,000 people.

What that industrial rawness gives you is atmosphere for free. Load a loud band into a concrete box with a proper rig and the room feels charged before a note is played — the space itself reads as serious, physical, a little bit dangerous in the good way. There’s none of the airless corporate polish you get in a purpose-built arena. You’re standing in a real dock building, and it feels like it.

What the rawness costs you is acoustics and comfort. A bare concrete shell is an acoustician’s nightmare — hard parallel surfaces bouncing sound into a reverberant smear if the mix isn’t handled with real care. A good touring engineer who knows how to fight a live room can get an excellent, punchy sound out of Docken; a lazy one leaves you swimming in mud at the back. Sightlines are flat-floor democratic, which means great if you’re early and near the front, and a forest of shoulders and phone screens if you drift in late. Dress warm in winter — it’s a dock warehouse, and it heats like one.

The location is the other honest catch. Nordhavn is being rebuilt into a shiny new district, but Docken’s stretch of it is still working harbour, a genuine trek from the middle of town. The Metro has pushed out this way, which helps enormously, but budget the journey and don’t expect a wall of cosy bars at the door. Docken is a destination, and you go on purpose.

The crowd Docken pulls tends to match the room — self-selecting, committed, there because a specific tour brought them to a harbour warehouse rather than because they wandered past. That’s the upside of a venue you have to make an effort to reach: nobody’s there by accident. On a heavy night the industrial shell and the deliberate crowd combine into something genuinely charged, closer in spirit to a big warehouse rave than a seated concert hall, and the flexible floor means the promoter can run it as an all-standing pressure cooker or break it up with a raised area at the back. The versatility is the whole business model. It’s a blank concrete canvas that a good production designer can turn into almost anything, and the best shows here lean into that rawness rather than fight it.

Forum: the hall the resistance blew up

Forum, over on Rosenørns Allé, is the older, grander, stranger building. It opened in February 1926 as an exhibition hall — designed by the architect Oscar Gundlach-Pedersen, built to show off automobiles, a sweeping functionalist span meant to impress. It has been impressing, and frustrating, concertgoers ever since.

It also has the best backstory of any venue in the city. On 24 August 1943, during the German occupation, the Danish resistance group Holger Danske blew Forum up to stop the Germans converting it into barracks — famously smuggling the explosives in dressed as crates of Tuborg lager. The hall was wrecked and later rebuilt, which means the grand old exhibition space you walk into today carries a genuine act of wartime sabotage in its history. Stand in that vast room and it’s worth a moment’s thought that it was once reduced to rubble on purpose, by locals, to deny it to an occupying army.

As a music venue Forum is a big, flexible, echoing box that can hold up to around 10,000 depending on the configuration. Its great weakness was always the sound — a huge hard-surfaced hall built for looking at cars, not for listening to bands. That improved after a major roof renovation in 1997, which cost something like 70 million kroner and was aimed squarely at taming the acoustics and letting the place host more concerts. It helped. It did not turn an exhibition hall into a concert hall. Forum still sounds like what it is: a cavernous multi-purpose space that a great PA and a great engineer can wrestle into shape, and a mediocre one cannot.

The saving grace, and it’s a big one, is access. Forum has its own Metro station right outside the door — you step off the train and you’re basically in the venue. After a show, that turns the usual post-gig crush into a quick, civilised exit, which anyone who has queued forty minutes for a bus after an arena show will tell you is worth real money.

Forum’s other quality is the sheer sense of scale and occasion the old architecture lends a big show. Walk into that vast functionalist span and the room does some of the work before the band arrives — the height, the grandeur, the faint municipal formality of a building designed to impress at a motor show all give a gig a bigness that a modern shed can’t fake. It’s a room with gravitas. When a promoter fills it and the production is up to the space, a Forum show feels like a proper event, the sort of night the city turns out for. The catch is always the same: the building demands a lot of the sound engineer, and on an under-resourced night that grandeur curdles into a cold, echoing hangar. Match the booking to the room and Forum is one of the city’s great big rooms. Mismatch it and you’re standing in a beautiful hall listening to mud.

How to survive either one

The rule for both rooms is the same, and it’s the rule for every flexible utility venue: get there early and get to the front. These are flat-floor spaces where your night is decided by where you’re standing, and the difference between the front third and the back wall is the difference between a great gig and watching a distant stage over a sea of phones while the sound arrives slightly late and slightly muddy. Neither room does the work for you the way a raked, purpose-built hall does. You do the work by turning up early.

Manage your expectations on sound, too. If you want pristine acoustics, these are the wrong rooms — that’s what VEGA is for, a space engineered to sound superb. Docken and Forum trade acoustic precision for scale and flexibility, and on a loud, high-energy show that trade is often exactly right: you want the size, the crowd, the physical weight, and you’ll forgive a bit of reverberant smear for it. Match the room to the band. A subtle, dynamic act gets lost in here; a big loud one thrives.

Both also sit in the same practical bracket as the city’s other resurrected mid-big room over in Frederiksberg — if you’re building a mental map of Copenhagen’s step-up-from-a-club venues, read this alongside the guide to KB Hallen, and keep Royal Arena in mind as the tier above, the purpose-built giant these two are the flexible, characterful alternative to.

The verdict

Docken and Forum are the honest workhorses of the Copenhagen mid-big scene: flexible rooms with real character that catch the tours falling between a club and an arena. Docken gives you raw industrial atmosphere and a proper harbour-warehouse edge, at the price of a trek out to Nordhavn and acoustics you have to fight for. Forum gives you a grand functionalist hall with a genuine wartime-sabotage backstory and a Metro station at the door, at the price of exhibition-hall sound that even a costly roof job only half-tamed.

Go to both. Go early, get down the front, dress for the weather at Docken, and spare a thought at Forum for the locals who blew the place up in 1943 rather than hand it to an occupying army. These rooms won’t coddle you. They give you scale, history and a real sense of occasion, and on the right night that’s the best deal in town.