Ecology, biodiversity net gain, and open space consultancy for local authorities and developers across the UK.

Ecology

Ecological Impact Assessment 

An Ecological Impact Assessment (EcIA) follows a Preliminary Ecological Appraisal (PEA) to evaluate the potential impacts of a development on habitats, species, and designated sites, both on-site and in the surrounding areas. Mitigation measures are proposed where necessary, ensuring compliance with all legislation and planning policies relevant to nature conservation.

Ecology that works on the ground

Always someone to talk to

Reducing risk in the planning process

Free quotes and transparent pricing

Balancing ecology with project delivery

Direct access to experienced ecologists

Real-world land management expertise

Supporting sustainable communities

Trusted by Local Planning Authorities

Pragmatic solutions, proportional advice

Helping avoid planning delays

Surveys to BNG units - all in one place

When do I need an Ecological impact assessment?

If you're submitting a planning application for a residential, commercial, infrastructure, utilities, aggregate or energy project, you will likely need an Ecological Impact Assessment (EcIA) to identify and address potential impacts on biodiversity.

What's the purpose of ecological impact assessments? 

Provides planning authorities with clear, evidence-based information to support informed decision-making. The EcIA will:

Identify potential effects of development or other proposed actions on habitats, species, and ecosystems 

Quantify the scale and significance of those potential effects 

Evaluate their ecological impact in the context of local, national, and international importance 

Propose effective mitigation measures when impacts can’t be avoided

Close up of wild plantAerial view of a circular residential housing development with central green space

EcIA Process

The Ecological Impact Assessment (EcIA) process follows a clear and structured approach: 

1. Initial Scoping

Identify potential ecological constraints and determine the need for surveys. 

2. Baseline Surveys

Gather data on habitats and species present on and around the site. 

3. Impact Assessment

Evaluate the potential effects of the proposed development on important ecological features.

4. Mitigation & Enhancement

Recommend measures to avoid, reduce or compensate for negative impacts, and enhance ecological value where possible. 

5. Reporting

Produce a clear, planning-ready EcIA report for submission with your application.

Possible Outcomes

An Ecological Impact Assessment (EcIA) helps shape development proposals in line with ecological best practice. Possible outcomes include:

No significant impact

The project can proceed with minimal or no ecological constraints. 

Mitigation required

Measures are needed to reduce or offset potential harm to habitats or species. 

Redesign or relocation

Layout or scale changes may be recommended to avoid sensitive areas. 

Planning conditions or obligations

 Ecological measures may be secured through planning conditions or Section 106 agreements.

Biodiversity enhancements

Opportunities are identified to improve ecological value on-site or nearby.

Why developers choose Ethos?

A dedicated and experience team

Confident in making informed, on-the-spot decisions to keep projects moving safely and compliantly.

Holistic approach

A commitment to sustainability, quality, and positive environmental outcomes.

Adaptive strategies

We combine deep ecological expertise with a practical understanding of the planning system.

Expert advice

grounded in current policy and legislation.
Ethos environmental survey team working together outdoors

Continued monitoring and support

A collaborative, responsive team that understands real-world project pressures.
Team planning session with notes on glass board and meeting in background

'Done for you' reporting

Clear, well-structured reports ready for planning submission.

Receive a detailed breakdown
for your project

We provide tailored solutions to help you deliver high-quality, sustainable green spaces. Contact us today to discuss your needs. Whether you require:
Biodiversity net gain
Policy advice
Full strategy
Ecological assessments.

01225 444114

info@ethosep.co.uk