Why Noise Travels Between Floors in Hove Homes

Walk into many period homes in Hove and one of the first things people notice is the sense of space.

High ceilings, large windows and generous room proportions are common features in properties built during the late nineteenth and early twentieth centuries. These homes were designed to feel open and elegant, with layouts that often stack living spaces across multiple floors.

But those same structural characteristics can also influence how sound travels within the building.

In particular, the floors in many of these houses allow vibration to move more easily between levels than homeowners might expect.

The structure beneath the floor

In many Hove homes, the floors are built using suspended timber joists rather than solid concrete.

Floorboards sit on top of these joists, with an open cavity beneath them. This cavity was originally designed to allow air to circulate beneath the floor and to protect the structure from moisture.

From a structural perspective, this design works extremely well and has allowed many of these homes to remain stable for well over a century.

Acoustically, however, timber floors behave differently from solid structures.

When someone walks across the floor, the force of each step enters the floorboards and transfers into the joists beneath them. That energy becomes vibration within the structure of the floor itself.

How vibration moves through a timber floor

Unlike airborne sound, impact noise travels through the structure of a building rather than through the air.

This is why footsteps, dropped objects or furniture movement can sometimes be heard more clearly between floors than voices or music.

When vibration enters the joists supporting the floor, it spreads through the structural elements of the building.

The cavity beneath the floorboards can also allow sound energy to resonate within the floor assembly before moving further through the structure.

In effect, the floor becomes a bridge that carries vibration between rooms.

Renovation trends and acoustic behaviour

Many homes in Hove have seen renovation work over the years. In some cases, older carpets have been replaced with timber flooring or other hard surfaces.

While these changes can dramatically alter the appearance of a room, they can also change how sound behaves within the building.

Carpet absorbs a portion of the impact energy created by footsteps. Hard floor finishes tend to reflect more of that energy back into the structure.

When this type of flooring is installed over suspended timber floors, the vibration created by footsteps can travel more easily through the joists.

Common floor structures and sound behaviour

Floor type	Typical behaviour
Suspended timber floor	Vibration travels through joists and floor voids
Carpeted timber floor	Reduced impact noise at the walking surface
Hard flooring on timber	Higher vibration transfer through the structure

Why thermal insulation doesn’t always change floor noise

Homeowners sometimes assume that improving insulation within a floor will automatically reduce noise transmission.

But thermal insulation and acoustic insulation are designed for different purposes.

Thermal insulation focuses on slowing heat transfer through the building envelope. In many homes this can significantly improve warmth and energy efficiency, particularly where systems such as underfloor insulation installed from below help retain heat within the living space.

Acoustic insulation works differently. Instead of managing heat flow, acoustic insulation focuses on absorbing sound energy within the structure itself.

This distinction is explained more fully in our guide to the difference between acoustic and thermal insulation, where we explore how sound and heat behave differently inside buildings.

How acoustic insulation changes floor behaviour

When acoustic insulation is introduced into a floor assembly, the aim is to reduce how easily vibration moves through the structure.

Instead of allowing impact energy to travel directly through the joists and floor void, acoustic insulation absorbs some of that energy before it moves further through the building.

Introducing acoustic underfloor insulation designed to improve acoustic comfort can help reduce how easily vibration travels through suspended floor structures.

In many cases this involves a sound-absorbing layer within the floor cavity and a sound-deadening layer above the structural floor before the final floor covering is installed.

The result is often a noticeable reduction in the movement of sound between floors.

Why the difference is often subtle but meaningful

Acoustic improvements rarely create dramatic changes overnight.

Instead, the effect is usually gradual and atmospheric. Movement elsewhere becomes less noticeable. The structure carries less vibration. Rooms feel calmer and quieter.

These changes are rarely dramatic in isolation, but together they can significantly alter how a home feels to live in.

This is why acoustic comfort is increasingly viewed as part of the overall quality of a living space rather than simply a technical upgrade.

Period homes and modern expectations

Many homes in Hove were built long before modern acoustic expectations became part of building design.

At the time these houses were constructed, carpets, heavy furniture and traditional interior layouts naturally absorbed much of the sound within the building.

As interior styles have evolved toward harder flooring surfaces and more open living spaces, the acoustic behaviour of the underlying structure has become more noticeable.

The bigger picture

Sound travelling between floors is rarely caused by a single factor. Instead, it usually reflects the interaction between structural design, flooring materials and the way the home has evolved over time.

In many Hove homes, suspended timber floors, period construction and modern flooring choices combine to create conditions where vibration moves easily through the structure.

Managing how that vibration travels — rather than altering the structure itself — is often the key to improving acoustic comfort within the home.

Frequently asked questions