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Part E Acoustic Compliance

Sound Insulation Testing
London & UK

At ARMEEC LTD, we offer reliable and affordable sound insulation testing services across London and nationwide. Whether you're building new flats, houses or conversions, we help ensure your project seamlessly meets Building Regulations Part E.

Nationwide Coverage
UKAS Accredited Tests
Fast Part E Sign-Off

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Acoustic Testing Explained

What is Sound Insulation Testing?

Sound insulation testing measures exactly how well walls and floors reduce the transfer of noise between attached homes, flats, or commercial spaces. If your building has separating walls or floors between different dwellings, this test is usually a strict legal requirement before handover.

Our comprehensive acoustic testing checks two distinct types of noise transmission:

  • 🗣️ Airborne Sounds: Noise that travels through the air, such as talking, music, or televisions. Tested across separating walls and floors using powerful omni-directional loudspeakers.
  • 👣 Impact Sounds: Physical vibrations sent through the structure, like footsteps or dropped items. Tested exclusively on separating floors using specialized tapping machines.

The final results determine whether your construction successfully meets the rigorous standards set out in Approved Document E (Part E) of the Building Regulations. Ultimately, it’s an essential part of creating homes that are quiet, private, and comfortable for everyone living there.

Book Your Acoustic Test Today →
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Source Noise Level: 100dB
Part E Compliant Separating Wall
Receiver Room: Quiet & Compliant
The Value of Acoustic Compliance

Why is Sound Insulation Testing Important?

Passing your acoustic test is not just about avoiding fines; it's about protecting property value and ensuring occupant well-being.

Confirms Part E Compliance

Provides the mandatory legal proof required by Building Control that your construction meets the acoustic standards of Approved Document E.

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Ensures Good Soundproofing

Verifies that the separating walls and floors physically installed on site actually deliver the acoustic performance promised in the design stage.

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Prevents Noise Complaints

Protects future occupants from unwanted noise transmission, guaranteeing privacy and dramatically reducing the likelihood of neighbourly disputes.

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Supports Building Approval

A pass certificate is an essential document in your handover pack, allowing the swift progression of your building's sale or rental processes.

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Enhances Property Value

Demonstrating robust, high-quality acoustic construction makes a property significantly more attractive and valuable to prospective buyers or tenants.

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Reduces Risk of Costly Fixes

Identifying acoustic failures before occupants move in allows for targeted remedial action, saving you from disastrously expensive retrospective fixes later.

Our Process

How We Will Help You

We make acoustic testing straightforward, providing expert support from the moment you book until your certificate is issued.

01
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Professional Equipment

We carry out tests using UKAS-calibrated equipment—including high-powered loudspeakers, precise tapping machines, and sensitive microphones—to check sound levels accurately.

02
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Simple Explanations

Acoustic data can be complex. Our team explains the results in clear, simple terms immediately on site, so you know exactly where your project stands.

03
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Expert Remedial Advice

If your property fails to meet the required decibel targets, we don't just leave. We provide instant, expert advice on how to locate the acoustic leak and fix the issue.

04
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Fast Certification

We offer flexible scheduling to meet your project timeline. Upon passing, you’ll receive a detailed, UKAS-accredited certificate accepted by Building Control nationwide.

Comprehensive Guide

Pre-Completion Acoustic Testing for 2026 Regulations

Securing your Building Control sign-off relies heavily on Pre-Completion Testing (PCT). Under the latest updates to the UK Building Regulations, demonstrating robust sound insulation between newly attached dwellings is non-negotiable.

  • ⚖️
    Part E 2026 Compliance: All new builds and material changes of use (conversions) must prove they meet or exceed the airborne and impact sound targets defined in Approved Document E.
  • 📋
    Robust Details Exception: If your project is registered and built perfectly according to the 'Robust Details' scheme, PCT may not be required. However, physical testing remains the most definitive proof of quality.
  • 🔢
    Sample Testing: You do not need to test every single room. Standard regulations require 1 full set of tests for every 10 dwellings of the same construction type.

Airborne vs. Impact Testing Explained

Building Control requires testing for two completely different physical phenomena to ensure full acoustic comfort for the end-user.

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Airborne Sound Testing

Conducted on both separating walls and separating floors. We use a powerful omni-directional speaker to generate steady 'pink noise' (around 100dB) in a source room. We then measure how much of that specific noise frequency transfers through the wall or floor into the adjoining receiver room.

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Impact Sound Testing

Conducted only on separating floors. We use a specialized, calibrated tapping machine that drops small metal hammers onto the floor structure. Microphones in the room directly below measure the transmitted vibration noise, simulating the sound of heavy footsteps or dragged furniture.

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Site Preparation is Critical

Before we arrive on site, your building must be in an appropriate condition. All doors and windows must be fitted and fully sealable. The rooms must be completely empty of furniture, and critically, no cosmetic floor coverings (like carpet or laminate) should be installed before the impact test, as these artificially inflate the pass score.

Common Reasons for Acoustic Failures

Acoustic tests don't fail randomly. The vast majority of Part E failures stem from construction detailing errors rather than poor material choices:

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Flanking Transmission

Sound travels around the separating wall through shared structural elements, like a continuous floor joist or unsealed blockwork cavity.

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Unsealed Penetrations

Plumbing pipes, HVAC ducts, or electrical sockets installed back-to-back across a separating wall create a direct tunnel for airborne noise.

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Bridged Floating Floors

If a resilient acoustic floor layer is accidentally nailed down or bridged by a rigid skirting board, impact sound will bypass the insulation entirely.

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Poor Door/Window Seals

Internal doors leading to shared corridors lacking proper acoustic drop seals or heavy-duty fire strips will leak substantial airborne noise.

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Why Choose Armeec?

We handle complex acoustic testing for developers across London and the UK.

UKAS Calibrated Equipment
Same-Week Availability
Immediate On-Site Results
Expert Remedial Advice
Request Free Quote
Common Questions

Frequently Asked Queries About Acoustic Testing

Everything you need to know about preparing your site and securing your Part E compliance.

At what stage of the build should sound insulation testing occur?
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Testing should be booked at the Pre-Completion stage. This means the building must be essentially finished: all windows and internal/external doors fitted, skirting boards attached, and all electrical sockets installed. However, the rooms must be empty of furniture, and NO cosmetic floor coverings (like carpet or laminate) should be laid.
Do I need to test every single flat in my development?
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No. Building Regulations Part E requires a minimum of one set of tests for every 10 dwellings of the same construction type. A 'set' usually comprises two airborne tests (walls), two airborne tests (floors), and two impact tests (floors). We will review your site plans to calculate the exact minimum sampling rate required.
What happens if a separating wall or floor fails the test?
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If a failure occurs, our engineer will help diagnose the likely cause of the acoustic leak while on site. You will need to implement remedial works to improve the insulation (e.g., adding acoustic sealant, checking for bridged resilient layers). Once fixed, the failed element must be retested, alongside another previously untested element, to satisfy Building Control.
Are your reports accepted by all Building Control bodies?
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Yes. Our testing engineers use fully calibrated, industry-standard equipment and conduct testing strictly in accordance with UKAS and ISO 140-4 / ISO 140-7 methodologies. Our final technical reports are universally accepted by all Local Authority Building Control and Approved Inspectors across the UK.
Ready to Start?

Ready to Secure Your Part E Compliance?

Don’t risk delays or noise complaints. Get in touch with Armeec today for fast, accurate, and fully accredited acoustic testing services.

Call Armeec Now (+44 7816 587548) Email for a Quote