Acoustic consultancy · Amsterdam · since 1994
Noise nuisance measured objectively, from living room to courtroom.
KGI Groep measures airborne, impact and installation noise in accordance with NEN 5077 and records the outcome in a clear report you can use with your HOA, municipality or in court. Delivered within two weeks, across the Benelux.
- NEN 5077
- NEN-EN-ISO 16283
- NEN 1070
- Class 1 equipment
Noise pollution affects your health, sleep and wellbeing
Impact noise from upstairs, neighbour noise, a humming heat pump or a poorly insulated new-build: without an objective measurement, you cannot prove unlawful nuisance.
Schedule a free consultation- 01
“I hear every footstep from upstairs”
Impact noise from footsteps, children playing or furniture on laminate is the most common complaint. We measure impact sound insulation per NEN 5077.
- 02
“My new-build home is noisy”
Even new construction often fails to meet acoustic requirements. An objective measurement proves whether the contractor met their obligations.
- 03
“The neighbour's heat pump is too loud”
Outdoor unit noise may exceed legal limits. We measure the sound level at your facade and advise on sound-reducing enclosures.
- 04
“I need evidence for court or the HOA”
Our reports per NEN 5077 and NEN-EN-ISO 16283 are regularly used in legal proceedings, HOA disputes and enforcement cases.
Specialists in every type of acoustic investigation
Acoustic Measurements
Professional sound measurements compliant with NEN 5077, NEN-EN-ISO 16283 and NEN 1070 in homes, apartments and buildings.
From enquiry to report in four steps
- 01 / 04
Free intake
Phone call to assess your noise problem and advise whether a measurement is useful.
- 02 / 04
Custom quote
Clear quote within two to three working days. Often covered by legal expenses insurance.
- 03 / 04
On-site measurement
Sound measurement using certified Class 1 equipment. Takes 3 to 4 hours.
- 04 / 04
Report and advice
Professional report with results, regulatory assessment and concrete improvement measures. Legally admissible.
Proof for your noise complaint in three weeks
Specifically for homeowners we offer a complete service: from the initial free consultation to a report you can use with your HOA, landlord, municipality or lawyer. No surprises, fixed prices, and often covered by legal expenses insurance.
Often covered by your legal expenses insurance
Many legal expenses insurance policies cover (part of) the costs. We provide a quote you can submit to your insurer.
L'nT,w = 62 dB (sum of unfavourable deviations 29.0 dB ≤ 32.0 dB)
Situations we handle daily
Impact noise from upstairs
Footsteps, children, furniture on laminate. We measure impact sound insulation per NEN 5077.
Airborne noise and music
Voices, TV or music through the wall. Measurement shows whether airborne sound insulation meets requirements.
Heat pump and air conditioning
Neighbour's outdoor unit. We measure whether legal limits are exceeded and advise on measures.
Noisy new-build
Insufficient insulation in a new-build home or apartment. Report supports formal complaint to the contractor.
Neighbour dispute or mediation
An independent measurement avoids he-said-she-said and gives a factual basis for the conversation.
Room conversion or property splitting
Acoustic investigation required for the municipal conversion permit. Report plus sound plan delivered.
The difference between right and wrong is not visible, but it is measurable
For private clients, businesses and government
Homeowners
Noise nuisance in your home or apartment. Report for HOA, landlord or court.
HOAs and property managers
Objective measurements for disputes, decisions on floor insulation or HOA meetings.
Municipalities and government
Long-term monitoring, permit research and enforcement reports within deadlines.
Hotels and hotel chains
NHR-ACOUSTICS-01:2026 guideline, class A or B. Brand standard updates and tenders.
Architects and contractors
Specification review, facade insulation calculations and advice for new builds or renovation.
Hospitality and events
Long-term monitoring, sound limiting and advice on the municipal environmental plan and permit conditions.
Project developers
Acoustic advice for property splitting, room conversion and change of use.
Legal counsel and lawyers
Independent expertise for proceedings and dispute committees.
What our clients say
“KGI Groep delivered a clear report that the HOA could immediately act upon. Professional and fast.”
“The acoustic investigation was exactly what we needed. Clear conclusions, delivered on time.”
“After months of noise nuisance, we finally had clarity. Costs were covered by our legal expenses insurance.”
“The acoustic report gave us the substantiation to hold the contractor accountable for the sound insulation.”
Independent centre of expertise for sound insulation
KGI Groep is based in Amsterdam and operates throughout the Benelux. We advise private individuals, HOAs, municipalities, hotels and contractors on all types of acoustic issues.
Our strength lies in independence: we do not sell products and have no interest in any specific solution.
- Measurements compliant with NEN 5077, NEN-EN-ISO 16283 and NEN 1070
- Author of the NHR-ACOUSTICS-01:2026 hotel guideline
- Certified Class 1 measurement equipment
- Operating throughout the Benelux
- 30+
- Years of experience since 1994
- 10,000+
- Reports
- 200+
- Hotels assessed
- 100+
- HOA projects
- 20+
- Municipalities
NHR-ACOUSTICS-01:2026 guideline
International guideline for acoustic comfort and quietness in hotels. Two performance comfort classes (A and B), product-neutral, applicable in specifications, brand standards and tenders. Request the guideline free of charge.
Answers to your questions
Free consultation or direct quote
Schedule a free consultation or request a direct quote via the form. We respond within one business day.
We will contact you within 1 business day. No spam.