Do Acoustic Panels Work? How Many You Need for an Office

Yes, acoustic panels work, but only for the job they are designed to do. They absorb sound that bounces around a room, which cuts echo and makes speech clearer and calmer. They do not stop sound travelling through walls into the next room. This guide explains what acoustic panels are, what they can and cannot fix in an office, and how many you need.

What are acoustic panels?

Acoustic panels are soft, porous panels, usually a fabric-wrapped core of foam, mineral fibre or polyester, that fix to walls or ceilings. When sound waves hit a hard surface such as plaster, glass or concrete, most of the energy bounces back into the room. When they hit an acoustic panel, much of that energy passes into the core and is turned into a tiny amount of heat instead of being reflected.

The result is a room with less echo (reverberation). Voices stop building on top of each other, phone calls are easier, and the general hum of an office drops.

Do acoustic panels really work?

They do, and the effect is easy to hear. A meeting room with bare walls, a glass wall and a hard floor can sound like a stairwell. Add panels to the walls and the same conversation sounds closer and clearer, because you hear the voice rather than its reflections.

What acoustic panels do well:

• Reduce echo and reverberation in meeting rooms, open-plan offices, classrooms and canteens
• Make speech clearer, so video calls and presentations are easier to follow
• Lower the overall noise level, because each sound dies away faster
• Stop the "noisy restaurant" effect, where people talk louder to be heard over everyone else

What acoustic panels do not do:

• Soundproof a room. Blocking sound between rooms needs mass and airtight construction, such as insulated stud walls, acoustic doors and seals
• Stop footfall or vibration noise from the floor above
• Give privacy from someone sitting next to you. For that you need a barrier at head height, such as an acoustic desk divider or a freestanding acoustic screen

This is why you will often see "soundproof panels" for sale. True soundproof panels do not really exist as a wall-mounted product. What people usually mean, and what actually helps in an office, is sound absorbing panels.

How is absorption measured? NRC explained

Panels are rated with a Noise Reduction Coefficient (NRC), a number between 0 and 1. An NRC of 0 means the surface reflects almost all sound, like painted concrete. An NRC of 1 means it absorbs almost all of it. Thicker, denser cores generally absorb more, especially at lower frequencies.

As an example, our Muffle acoustic wall panel has a 25mm core with an NRC of 0.55, meaning it absorbs over half of the sound energy that hits it. Thicker panels and baffles go further.

How many acoustic panels do I need?

There is no single number, because every room is different, but a reliable rule of thumb for offices and meeting rooms is to cover 15 to 25% of the wall area with acoustic panels.

• Around 15% is enough for a room that already has carpet and soft furniture and only feels a little lively
• Around 25% suits rooms with hard floors, glass walls or high ceilings, which echo badly
• More than 25%, or adding ceiling panels, is worth it for large open-plan spaces, canteens and rooms used for lots of video calls

To work it out, multiply the length of each wall by its height, add them together, and take 15 to 25% of that total. For example, a 5m by 4m meeting room with 2.7m ceilings has about 48.6m² of wall. At 20% coverage you need around 9.7m² of panels, which is roughly ten 1200mm by 800mm panels.

If you are not sure, send us your room sizes and we will suggest a layout for free.

Where should acoustic panels go?

Placement matters as much as quantity. A few principles get you most of the benefit:

• At ear height. Seated and standing ear height, roughly 1m to 2m from the floor, is where reflections affect speech most
• On parallel walls. Two hard walls facing each other create "flutter echo". Treat at least one of them, ideally staggered panels on both
• Near the noise. Put panels close to where people talk most, such as around meeting tables, call areas and kitchens
• Spread out, not bunched. Several panels spaced around a room work better than one big block on a single wall
• Do not forget the ceiling. In open-plan offices the ceiling is often the biggest reflective surface. See our guide to acoustic ceiling panels for offices

For more on placement, read where to install sound insulation panels for maximum effect.

Acoustic panels for offices: which type?

• Fabric wall panels are the most versatile choice for meeting rooms and open-plan walls, made to size in a wide range of colours
• Acoustic wall tiles are good for building up patterns or covering large areas on a budget
• Printed panels double as artwork or branding while absorbing sound
• Ceiling baffles and rafts treat large, high or open spaces where wall area is limited

Browse the full range of acoustic wall panels, and order free fabric samples to match your colours.

Combine panels with screens for the best result

Wall panels cut echo across the whole room, while screens stop sound travelling directly between people. In open-plan offices the quietest results come from using both: panels on the walls or ceiling, plus acoustic desk dividers between workstations. Our guide on how to reduce noise in an open plan office covers the full approach, and we can install your panels and screens anywhere in the UK.

Frequently asked questions

Do acoustic panels work?

Yes. Acoustic panels absorb sound reflections inside a room, which reduces echo, makes speech clearer and lowers the overall noise level. They do not soundproof a room or stop sound passing through walls.

What is the difference between acoustic panels and soundproofing?

Acoustic panels absorb sound inside a room to cut echo. Soundproofing blocks sound travelling between rooms and needs heavy, airtight construction. Wall-mounted soundproof panels do not really exist; what helps in most offices is sound absorption.

How many acoustic panels do I need for an office?

As a rule of thumb, cover 15 to 25% of the wall area. Use the lower end for rooms with carpet and soft furniture, and the higher end for rooms with hard floors, glass or high ceilings.

Where is the best place to put acoustic panels?

At ear height, on parallel walls that face each other, and close to where people talk most. Spread panels around the room rather than grouping them on one wall, and consider the ceiling in large open spaces.

Do acoustic panels block noise from the next room?

Not significantly. They reduce echo within the room they are in. To reduce noise from a neighbouring room, you need to improve the wall itself, doors and any gaps.

Can you fit acoustic panels for me?

Yes. We supply and install acoustic wall panels, office screens and desk dividers anywhere in the UK, and offer free layout advice.