Skip to content
  • Contact Us
RWDI-SEC Logo
  • Home
  • About Us
    • The Company
    • The People
    • Testimonials
  • Services
  • Projects
  • Contact
  • Home
  • About Us
    • The Company
    • The People
    • Testimonials
  • Services
  • Projects
  • Contact
Acoustics Noise Vibration and Air Quality Consultants
We are established experts in Acoustics Noise Vibration and Air Quality, and have been providing services to the Planning, Design and Construction sectors for over 25 years.
Learn More
Environmental Monitoring Experts
We are experts in the design and implementation of monitoring strategies for Noise, Vibration and Air Quality with dedicated equipment and data management teams. RWDI Southdowns is a UK leader in the management of Noise, Vibration and Dust from Demolition and Construction Sites.
Learn More
Specialist Consultants
We provide Strategic Advice and Technical Advisory Services for Transportation, Property, Industrial and Commercial Development projects.
Learn More
Expertise on Demand
Our range of available grades ranging from Field Technicians to Expert Witnesses provides an unrivalled End to End service and best value to our clients.
Learn More
Contact Us...
Call us on 01273 013146 / 01273 942505 for Noise, Acoustics & Vibration, or 01273 942501 / 01273 942505 for Air Quality. Find out how we can help or if you wish to discuss your requirements with one of our Experienced Consultants.
Click Here

Welcome to RWDI Southdowns

RWDI Southdowns is one of the UK’s leading independent firms of acoustics, noise, vibration, dust and air quality consultants providing specialist technical and advisory services to clients throughout the UK and overseas.

Since its formation in 1996, the company has worked on hundreds of projects throughout the UK and overseas for clients in both the public and private sector and has achieved approved supplier status to many major companies in the UK.

See Our Services
Environmental Consultants
Specialising In
Acoustics, Noise
& Vibration
Dust &
Air Quality

Who Are We

RWDI Southdowns is an independent and professional firm of environmental consultants with specialist interests in acoustics, noise, vibration and air quality. The company is a member of the Association of Noise Consultants and all consultants are affiliated with the Institute of Acoustics and other relevant professional bodies.

The company is accredited under the Achilles RISQS, Achilles UVDB, Constructionline and Builders Profile pre-qualification schemes, and we are certified under ISO 9001 for the provision of environmental consultancy and services (including monitoring) for all industry sectors.

Learn More

A Track Record in Delivering Client's Objectives

With an impressive portfolio of projects, a track record in delivering clients’ objectives and a team of specialists tailored to resource both large and small scale projects, RWDI Southdown’s reputation is built upon the simple principles of expertise, client focus, delivery, quality and added value.

See Testimonials
Rail Tunnel under construction

Our Projects

Since its formation in 1996, the company has worked on hundreds of projects throughout the UK and overseas for clients in both the public and private sector and has achieved approved supplier status to many major companies in the UK.

See All Projects

Recent News

Read the latest news from Southdown, keep up with our company, project news and vacancy openings.

See More News

Keep in Touch:
Join Our Mailing List

Our Services
  • Planning and EIA
  • Modelling and Prediction
  • Mitigation Design
  • Expert Witness
  • Building & Architectural Accoustics
  • Tender / Bid Support
  • Construction Management
  • See All Services
Get in Touch
  • About Us
  • Contact Us
  • Website Privacy and Cookie Policy
association noise consultants
Southdowns environmental consultants logo

Reg No. 3150111 © Copyright 2026 RWDI Southdowns Environmental Consultants Ltd | All Rights Reserved.

Designed & Maintained by PC Consultants
Southdowns use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept All”, you consent to the use of ALL the cookies. However, you may visit "Cookie Settings" to provide a controlled consent.
Cookie SettingsAccept All
Manage Privacy

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary
Always Enabled
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
CookieDurationDescription
cookielawinfo-checkbox-analytics11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional11 monthsThe cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy11 monthsThe cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.
Functional
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Analytics
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Advertisement
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Others
Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.
SAVE & ACCEPT

 

Thank you for your visit. Southdowns Environmental Consultants Ltd is now part of the RWDI group of companies, with its specialists continuing to offer the same exceptional level of service to its clients in the UK and overseas.

If you have an enquiry and / or wish to make contact with our noise, acoustics, vibration or air quality specialists or discuss other RWDI specialist services then please select ‘Contact RWDI’ below.

Alternatively, please close this popup to view the Southdowns historic web-site.

Contact RWDI

RWDI-SEC Logo

Southdowns and RWDI

We are excited to announce that Southdowns Environmental Consultants have joined RWDI.  RWDI is a world leader in global climate engineering and environmental consulting and has worked on some of the most iconic and defining projects globally for over 50 years.
Click here to learn how Southdowns’ clients will benefit from our expanded strength and service capabilities or contact us directly.