Our Story
Cogan Environmental Consulting Limited is an independent environmental consultancy providing customer focused expert help to developers, planners, architects, industrial operators, farmers, public bodies, NGOs, lawyers and other businesses. Having supported over a thousand projects throughout our team’s careers, we are well placed to provide experienced air quality, odour and climate support for a diverse range of sectors.
Our company is a family business, putting value in reputation and legacy and fostering strong long-term relationships with clients. Our culture of integrity and accountability enables trust. As a small business we gain a deeper understanding of client’s specific context, enabling highly tailored and client-focused services, with flexible and adaptive solutions. With direct access to experienced consultants, clients are provided with high levels of care, pride, and dedication, as well as faster decision making and project timescales. We our niche expertise, clients benefit from our deep understanding and are provided with relevant and practical advice.
Our Ethos
Our ethos is built upon a foundation of unwavering commitment to environmental consultancy. We pride ourselves on being trusted advisors, delivering honest and transparent services with integrity at every step.
We approach every project with a friendly and collaborative spirit, ensuring clear and understandable communication throughout. Our team of professionals is highly skilled, efficient, and dedicated to providing accurate and robust solutions tailored to each client’s unique needs. We believe in the power of bespoke consultancy, crafting personalised strategies that prioritise our clients’ goals while upholding the highest standards of professional responsibility.
Above all, we are customer-focused, placing our clients’ satisfaction and success at the forefront of everything we do. We try our best to exceed expectations; earning the trust and loyalty of our clients through our unwavering dedication to excellence.
Our ethos is integrated throughout our business operations by following our five company core values; integrity, friendliness, professionalism, honesty and quality.

Our Services

Air Quality
From large urban developments to power stations, we provide air quality assessments for planning and environmental permitting.

Odour
We help assess, find solutions, and provide expert services for nuisance odours, covering a diverse range of sectors.

Climate
We work closely with project teams to create low emission and resilient large urban developments, solar farms, and well sites.
Our Sectors
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- Urban Extension
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- Residential
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- PBSA
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- Commercial
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- Retail
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- Mixed-Use
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- Leisure
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- Hospitality
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- Healthcare
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- Education
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- Distribution
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- Defence
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- Industrial
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- Power
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- Agriculture
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- Mineral
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- Waste
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- Utilities
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- Aviation
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- Infrastructure
Featured Projects
Fairacres Barnet
Cerrigcochion Road, Brecon
London Wall West
Our ESG
Cogan-EC is committed to maintaining high social responsibility standards and is dedicated to improvements in sustainability, with a key focus on promoting sustainable developments. This is also a key responsibility as professionals in the field, being a Chartered Environmentalist of the Society for the Environment. We endeavour to arrange suppliers that uphold these same high standards.
Our approach to ensuring sustainable development includes provision of comprehensive air quality and climate assessments and holding workshops with project teams to discuss design improvements for emission reductions and mitigation measures. Our ethos is to approach all projects with an air quality positive mindset, identifying constraints and opportunities for an improved design.
As a member of the Organisation for Responsible Businesses (ORB), the company is continuously making social and environmental improvements and working towards becoming net zero by 2030.
To encourage social and environmental responsibility, our team are provided time for volunteering. We are proud to continue to volunteer within children’s education, community environmental events, improving our Net Zero targets, and contributing towards a 2025 UK tree planting initiative.
Our Team

Dr Austin Cogan
Austin is Director and Practice Manager at Cogan Environmental Consulting Limited. He is a Chartered Environmentalist with over 16 years’ experience in environmental sciences, covering indoor and outdoor air quality, odour, dust, bioaerosols, greenhouse gases and climate change. He was a committee member of The Council of Property Search Organisations and has developed a number of guidance documents in the industry.
Last year, he was a reviewer of the International Handbook on the Assessment of Odour Exposure by using Dispersion Modelling. This year, he is currently co-chair of the Institute of Air Quality Management’s odour working group, developing updated odour guidance for planning in the UK.
Throughout his career, he has been involved in over 1,000 projects across the UK and abroad, focusing on supporting planning applications and environmental permit applications. His expertise covers a diverse range of sectors, including residential, student, commercial, retail, leisure, community, education, healthcare, distribution, and hospitality developments, industrial, waste, agricultural, power generation, and utility projects, and defence, aviation, and infrastructure schemes. These have included technical reviews for both indoor and outdoor air quality assessments, and climate change assessments for aviation, as well as the provision of expert witness services for air quality and odour.
He has a long history of supporting local authorities with local air quality concerns, including Clean Air Zones, Local Plans, Air Quality Management Areas, Air Quality Action Plans, and feasibility studies involving microsimulation modelling. Austin has also been involved in multiple projects for JNCC, EA, GLA, National Highways and NGOs, undertaking research and development activities. He is an experienced business manager, having managed multiple high-profile projects as well as operating multiple environmental businesses, where he previously led the development of licensed meteorological data which is widely used by the industry.
Austin is also an international expert in the field of climate change, having monitored greenhouse gases globally. He pioneered research in satellite observations and instrument design at the UK’s Space Research Centre, where he was involved in software and algorithm development, monitoring instrumentation design, data analysis and collaboration with many international bodies, including NASA, JAXA, CNES and ESA. He has produced numerous scientific papers and presented at conferences both nationally and internationally.

Katya Cogan
Katya is a Senior Consultant at Cogan Environmental Consulting Limited experienced in environmental sciences, covering indoor and outdoor air quality, odour, dust, bioaerosols, greenhouse gases and climate change. She completed BSc Medical Biochemistry at the University of Leicester and continued her studies at the University of Warwick to complete a MBChB Medicine, working as a Doctor in the Southwest Deanery afterwards. Her focus has subsequently involved sales and business development, and for the last five years has involved scientific environmental consultancy.
Throughout her career, she has been involved in a diverse range of projects for planning applications, environmental permit applications, including management, and nuisance assessments, as well as monitoring for COSHH, indoor air quality support for BREEAM, WELL, DREAM, UKNCR, LEED, NABERS and several research projects. Her experience covers residential, student, commercial, retail, leisure, community, education, healthcare, distribution, and hospitality developments, industrial, waste, agricultural, mineral, power generation, and utility projects, and defence and infrastructure schemes.
She has supported multiple local authorities with LAQM duties, including Local Plans, Air Quality Management Areas, Air Quality Action Plans, and Annual Status Reports. Katya has also been involved in multiple projects for JNCC, EA, and NGOs, undertaking research and development activities. She is an experienced sales and business development manager, having taken on several commercial management roles including indoor air quality business development, the sale of monitoring and diagnostic instruments as well as meteorological data.
Our Client Opinions
Company Profile
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