Service 10
Warehouse conversions: an industrial building, rebuilt around sound
For owners, promoters and developers turning a warehouse into a club, a live room or an event space. Feasibility, acoustic shell, sound system and opening, handled as one job and coordinated with your design team. Every building is scoped and quoted on its own. The figures on this page are planning guides, not approvals.
What the job covers
One team for the sound side of the building, working alongside your architect, fire engineer and licensing adviser.
- FeasibilitySite visit, structure, power, access and neighbours. A first capacity and exit count, a noise survey at the nearest homes, and a go or no-go report before you sign a lease.
- ConsentsThe acoustic report and sound management plan that planning, building control and licensing ask for, written to sit inside your consultants’ applications.
- Acoustic shellIsolation designed from the sub-bass up: inner shell, lobbied doors, attenuated ventilation. Then treatment so the room decays fast enough to play clean.
- Sound systemA system specified for this room and this music, installed, tuned and limited against the licence conditions.
- Booth and fit-outBooth built to rider spec, power distribution, lighting for a dark room, and the sightlines and flow between floor, bar and exits.
- Opening and aftercareTest nights, boundary measurements, staff training, and a retune once the room has been run in.
Capacity check
Capacity decides whether the numbers work, and the building code sets capacity before the dance floor does. Enter the floor area and how you would split it. The check applies the published load factors for the rule set you pick.
Load factors used. United States: 5 sq ft per person standing, 15 sq ft at tables and chairs (iDigHardware). England: 0.5 m² per person on dance floors and in clubs, 1.0 m² in seated lounges (Approved Document B, via Northamptonshire Fire and Rescue). Germany: 2 visitors per m² standing, 1 per m² at tables (model venue ordinance, section 1). Toilets, ventilation and the licence can each cap the number lower.
Sound decides whether it stays open
A steel-clad shed keeps the rain out and lets the bass through. Isolation comes from mass and from decoupling: a heavy inner shell that does not touch the outer one, lobbied doors, and ventilation routed through attenuators. Each doubling of wall mass buys roughly 6 dB, and low frequencies are the hardest to hold, so the design starts at the sub-bass end and works up.
The target is set outside, at the nearest bedroom window, not on the dance floor. Germany publishes its limits for commercial noise, which makes them a useful yardstick anywhere (Berlin environment office):
| Area at the listener | Day, 06:00 to 22:00 | Night, 22:00 to 06:00 |
|---|---|---|
| Industrial | 70 dB(A) | 70 dB(A) |
| Commercial | 65 dB(A) | 50 dB(A) |
| Core, village and mixed | 60 dB(A) | 45 dB(A) |
| General residential | 55 dB(A) | 40 dB(A) |
| Purely residential | 50 dB(A) | 35 dB(A) |
The night figure is judged on the loudest hour. In England the working limits usually arrive as conditions on the planning permission and the premises licence; in the United States they sit in the city noise ordinance.
Then the room itself. A concrete floor under a steel roof rings long after the kick has stopped. Absorption and bass trapping bring the decay down, so the system can be run clean instead of loud. For how DVS1 approaches a room, see Wall of Sound and club installations.
The rules, by place
| Place | From, to | What it triggers | Licence and short runs |
|---|---|---|---|
| United States (IBC-based codes, Minnesota included) | Storage (Group S) to assembly (Group A-2, the group for nightclubs) | A change of occupancy, so exits, alarms and sprinklers are judged as new. A-2 needs sprinklers once the fire area passes 5,000 sq ft or 100 occupants (IBC 903.2.1.2). Exit doors serving 50 or more people need panic hardware (iDigHardware). | Zoning or conditional use approval, and a liquor licence from the city. |
| England | Storage or distribution (class B8) to nightclub or live music venue (both sui generis) | Planning permission for the change of use (Planning Portal), Building Regulations approval, and a fire strategy to Approved Document B. | Premises licence under the Licensing Act 2003. Test nights can run on Temporary Event Notices: up to 499 people, 168 hours each, 15 notices and 21 days a year per premises (East Suffolk Council). |
| Germany | Warehouse or trade use to club | A change-of-use permit. Above 200 visitors the state venue ordinance applies. Planning law has treated clubs as entertainment venues; in May 2026 the federal cabinet adopted a draft that would class music clubs as cultural venues, allowed in mixed, urban, core and commercial areas where noise limits are met (Groove). Check where that bill stands. | Bar licensing is set by each state. Noise is judged against the table above. |
Elsewhere the pattern is the same: land use first, building safety second, the licence third. City notes for one-off events are under city permits.
Order of work
- 1 SurveyMeasured survey, structural check of roof and slab, a noise survey at the nearest homes across a weekend night, power and drainage checks.
- 2 DecideGo or no-go report: capacity, exit plan, isolation target, budget range, and the lease term needed to earn it back.
- 3 ConsentPlanning or zoning, building permit and licence applications run together, with the acoustic report and sound management plan attached.
- 4 ShellEscape and fire works, sprinklers, inner acoustic shell, lobbies, ventilation.
- 5 SystemSound system and booth installed, room treated, system tuned and limits set.
- 6 OpenTest nights at reduced capacity, measurements at the boundary, staff trained, retune after the first month.
What stops a conversion
Check these before the lease, not after.
- Neighbours: homes within earshot, or housing planned next door before you open.
- Exits: no route for a second or third exit without buying access from the plot next door.
- Water: a mains supply too small to feed sprinklers.
- Power: a supply sized for storage, not for sound, lighting and air handling.
- Roof: a light steel roof that cannot carry plant, rigging or an inner ceiling.
- Drainage: not enough capacity for the toilets the headcount needs.
- Lease: a term too short to earn back the fit-out.
- Hours: a licence that closes the room before the night starts.
Start with the building
Send the address, the floor area, the ceiling height, how far the nearest homes are, and whether you own, lease or are still looking. If you have filled in the capacity check, the button carries it into the email.
Guidance only. Codes are adopted and amended locally, and the building official, fire authority and licensing board have the final say. Enquiries: contact@hushsound.com. Scope and prices are confirmed in writing per building.