Trium Environmental Consulting LLP is an environmental consultancy with unrivalled strategic and technical EIA management experience. Trium also offers Ecology, Acoustics, Economic, Air Quality, Climate Change and ESG services, led by highly experienced technical specialists.
Our Partners are leading specialists in environmental planning, with considerable experience of working on complex Environmental Impact Assessments (EIA) projects.
We recognise the need for a renewed approach to environmental consultancy that is personable, practical and proactive and free of the constraints and bureaucracy of large organisations.
We will work collaboratively with your design; planning and legal teams and we will enable the production of robust environmental assessment and reporting for the purposes of your planning application.
We will assemble and manage on your behalf a bespoke environmental team for your project by drawing upon our extensive experience of working alongside leading technical environmental professionals and our knowledge of their individual capabilities and relevant project experience. Alternatively, we will work seamlessly alongside your pre-selected team.
Together, we will provide pragmatic and commercially sound environmental advice and ensure an integrated approach to the identification and management of environmental considerations throughout your project’s design, planning, build and operational stages.
SERVICES AND LOCATIONS
We provide environmental consultancy in support of both outline and full planning applications across the UK, and are based in London and Southampton.Feasibility Studies
Identification of a site’s environmental opportunities and constraints both pre and post-acquisition.
EIA Screening
EIA Screening to determine the requirement for EIA.
EIA Scoping
EIA Scoping with the local planning authority and relevant stakeholders to determine and agree the content and methodology of an EIA.
Undertaking of EIA
Undertaking of EIA to determine the likely significant environmental effects of a new development.
Environmental Statements & Non-Technical Summaries
Preparation of Environmental Statements and Non-Technical Summaries to report on environmental effects and mitigation measures.
Post planning advice & reporting
Post planning environmental advice and reporting including Section 73 and Section 96A applications.
Discharge of environmental planning conditions
Discharge of environmental planning conditions, including Reserved Matters Applications.
Advice on planning inquiries & judicial reviews
Advice on planning inquiries and judicial reviews pertaining to environmental aspects.
Assessment & reporting for non-EIA & EIA projects
Management of the environmental input for non-EIA and EIA projects, including but not limited to: air quality, noise and vibration, ecology, flood risk, socio-economics, wind microclimate, archaeology, and contaminated land.
Acoustics
The provision of the following acoustic services:
- Environmental noise and vibration surveys
- Planning assessments and reporting, including:
- EIAs and non-EIA projects
- Site suitability (noise and vibration)
- Building services plant, industrial, entertainment, construction and commercial noise assessments
- Agent of change evaluations
- Construction noise and vibration - Section 61 calculations, support/advice and monitoring
- Masterplanning advice
- Planning condition discharge
- Peer reviews and expert representation
- BREEAM assessments (Hea 05 and Pol 05 credits)
- Vibration analysis
- Acoustic design advice (across all sectors)
Socio-economics
Baseline reviews, infrastructure capacity appraisals and socio-economic impact assessments/ES chapters to inform planning, focusing on the effects of housing and employment generation, and increases in population on social infrastructure capacity.
The provision of Health Impact Assessments and Equalities Impact Assessments.
Air Quality
- Planning assessments and reporting, including:
- EIAs and non-EIA projects
- Site suitability & feasibility assessments
- Air quality neutral assessments
- Air quality positive statements
- Monitoring
- Atmospheric dispersion modelling
- Assessment and modelling in support of Habitats Regulations Assessments/ Ecology ES Chapters
- BREEAM Indoor Air Quality Plans (HEA02)
- Masterplanning and mitigation advice
- Planning condition discharge
- Environmental permitting
- Peer reviews and expert representation
Climate Change
- Planning assessments and reporting for EIA’s including:
- Climate Change Resilience Assessments
- Assessment of Greenhouse Gas Emissions
- Site suitability & feasibility assessments
- Masterplanning and mitigation advice
- Planning condition discharge
Odour
- Planning assessments and reporting, including:
- EIAs and non-EIA projects
- Site suitability & feasibility assessments
- Atmospheric dispersion modelling
- Monitoring
- Masterplanning and mitigation advice
- Planning condition discharge
Dust
- Demolition & construction dust risk assessments
- Site suitability & feasibility assessments
- Dust management plans
- Monitoring
- Masterplanning and mitigation advice
- Planning condition discharge
ECOLOGY & BNG
We provide the following Ecological Consultancy services:
Advice
- Ecological Constraints and Opportunities Assessment
- Biodiversity Enhancement Design Opportunities
- Masterplanning Advice
Ecological Survey and Assessment
- Preliminary Ecological Appraisal
- Habitat Surveys (UK Habitat Classification and Phase 1 Habitat Survey)
- Protected Species Surveys (Bats, Badger, Otter, Water Vole, Breeding Birds, Wintering Birds, Great Crested Newt, Reptiles)
- Invasive Species Surveys
- Ecological Impact Assessments (EIA and non-EIA projects)
- Biodiversity Net Gain Assessment
- BREEAM and Home Quality Mark Assessment
- Habitat Regulations Assessment
Post-Planning and Implementation
- Biodiversity Gain Plan
- Ecological Management Plans
- Planning Condition Discharge
- Ecological Clerk of Works
ESG Strategy & Integration
Offering a fresh approach to ESG; putting people, policy and process into strategy
- ESG Maturity & Readiness Reviews: Baseline diagnostics to identify regulatory gaps, identify development needs, and benchmark current capabilities.
- Double Materiality Assessments: Comprehensive audits identifying financial risks and societal impacts to align corporate strategy with investor expectations.
- ESG Strategy & KPI Development: Creation of actionable frameworks, targets, and roadmaps aligned with corporate goals and emerging regulations.
- Integration & Implementation: Embedding ESG principles into procurement, design, and project delivery processes for operational resilience.
- Disclosure & Reporting Advisory: Technical preparation of sustainability reports aligned with global standards, including ISSB, TCFD, and TNFD.
- Leadership Workshops & Training: Executive-level training and workshops to build organisational awareness, engagement, and effective governance.
About Us
We are leading EIA practitioners with unrivalled combined strategic and technical EIA management experience, having project directed, managed or contributed to hundreds of EIAs within the residential, commercial, renewables, retail, leisure, cultural, energy, renewables, infrastructure and industrial sectors.
Trium also offers Ecology, Acoustics, Economic, Air Quality, Climate Change and ESG services, led by highly experienced technical specialists.
We work closely on a daily basis with developers, planners, planning lawyers, architects and engineers and have contributed to achieving planning consents for sensitive and complex schemes which have often required detailed negotiations with Local Planning Authorities and Statutory and non-Statutory Consultees.
Andrew Fowler
Technical DirectorAir Quality & Climate Change
Vladimir Fernandes de Santana
Proposals Manager, Operations Support & GIS Lead
Katie Houlihan
Air Quality & Climate Change Consultant
clients
Areli Real Estate
Art Invest Real Estate
Aspirations Ltd
Ballymore
Barratt London
Be First
BentallGreenOak
Berkeley Homes
Bidwells
Blackburn & Co
Blue Cost Capital
British Land
BT Centre
Bury Street Properties (Luxembourg)
Canary Wharf Group Plc
Cannon Capital Developments Limited
Chalegrove Properties Ltd
CIT Group
Croydon Limited Partnership
Derwent Valley Property Developments Ltd
Dominvs Group
Dukeminster Ltd
Dunnett Investments Ltd
DWS Deutsche Bank
EcoWorld And Poplar Harca
Edge Technologies
Falconbrook Real Estate
Far East Consortium
Folgate Estates Ltd
G C Project Management Ltd
Galliard Homes
Gazeley
GLP UK Ltd
Goldev
Groveworld
Hadley Propery Group
HB Reavis
Henley Investments
Hondo Enterprises
Imperial College
Joseph Homes
L&Q
London & Metropolitan
London Borough Of Hackney
London Square
Londonewcastle
Mapeley Steps Estates Ltd
Moda Living
Montcalm Hotels
Montreaux
Moorgarth
Morgan Capital
Mount Anvil
Murphy & Sons Limited
Muse Developments
Native Land
Network Homes
Nuffield College
Peachtree Services Limited
Populo Living
Precis Holdings Ltd
Ptarmigan Land
Redrow Homes
Reef Estates
Regal Homes
Rockwell
Royal London Asset Management Ltd
Rydon Homes
Sainsbury’s Supermarkets Limited
Sellar
Schroder Real Estate Investment
Southern Housing Group
Spirtbound
Stanhope Plc
Starbones
Statera Energy Ltd
Telford Homes Plc
Tenacity
The Collective
The Hill Group
The Madison Square Garden Company
Tide Construction
Tishman Speyer
Total Property Solutions
Urbanest
UCL
Wellcome Trust
Westbrook Partners
Weston Homes
Workspace
Yoo Capital
Trium London
We are located in the heart of Clerkenwell. Our office is situated on Clerkenwell Green, just a short walk from Farringdon and Barbican stations. You will find us in the distinctive pink brick building at 2–7 Clerkenwell Green, on the 3rd floor.
Trium Environmental Consulting LLP
Trium Southampton
Our Southampton office is located within International House, on George Curl Way. The International House is a modern, commercial building located in the Southampton International Business Park next to the airport and M27.
Trium Environmental Consulting LLP
George Curl Way
Eastleigh
Hampshire
SO18 2RZ +44 (0)20 3887 7118
hello@triumenv.co.uk
Careers
Trium is recruiting at all levels!If you are interested in joining us, please get in touch.

