Enviropass: Your Expert Partner in Biodiversity Net Gain Assessment

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Welcome to Enviropass, the UK's leading consultancy for Biodiversity Net Gain (BNG) in planning applications. Our team of expert ecologists and environmental specialists is dedicated to helping developers, planners, and landowners navigate the complexities of BNG requirements and achieve sustainable, biodiversity-positive outcomes.

Enviropass: Your Expert Partner in Biodiversity Net Gain Assessment

Welcome to Enviropass, the UK's leading consultancy for Biodiversity Net Gain (BNG) in planning applications. Our team of expert ecologists and environmental specialists is dedicated to helping developers, planners, and landowners navigate the complexities of BNG requirements and achieve sustainable, biodiversity-positive outcomes.

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Last updated

November 2026

Author

Matt

Editor at Enviropass.
EnviroPass | Biodiversity Net Gain Consulting

The Ultimate Guide to Biodiversity Net Gain Consulting for UK Planning Applications

Introduction to Biodiversity Net Gain

Biodiversity Net Gain is a revolutionary approach to development that aims to leave the natural environment in a measurably better state than before. As of November 2023, the Environment Act 2021 mandates a minimum 10% biodiversity net gain for most new developments in England. This paradigm shift in planning and development presents both challenges and opportunities for those involved in the built environment sector.

At Enviropass, we're here to guide you through every step of the BNG process, ensuring compliance, maximizing benefits, and streamlining your planning applications.

For sites affected by flood risk, your planning application may also require a flood risk assessment.

Why Choose Enviropass for Your BNG Consulting Needs?

Expertise: Our team comprises seasoned ecologists, environmental scientists, and planning specialists with in-depth knowledge of BNG requirements and best practices.

Comprehensive Service: We offer end-to-end BNG solutions, from initial assessments to long-term monitoring and reporting.

Innovative Approach: We leverage cutting-edge technology and data analysis to optimize BNG strategies and outcomes.

Proven Track Record: Our portfolio includes successful BNG implementations across diverse project types and scales.

Cost-Effective Solutions: We help you achieve BNG requirements efficiently, minimizing costs while maximizing ecological benefits.

Our BNG Consulting Services

01

Preliminary Ecological Appraisal (PEA)

- Site surveys to assess existing habitats and species

- Identification of ecological constraints and opportunities

- Preliminary BNG calculations using the latest Defra Biodiversity Metric
02

BNG Feasibility Studies

- Analysis of on-site BNG potential

- Exploration of off-site BNG options

- Cost-benefit analysis of different BNG strategies
03

Biodiversity Gain Plan Development

- Detailed habitat creation and enhancement proposals

- BNG calculations and reporting

- Integration with other aspects of development design
04

Stakeholder Engagement

- Liaison with local planning authorities

- Consultation with statutory bodies
(e.g., Natural England)

- Engagement with local wildlife groups and communities
05

Off-Site BNG Solutions

- Identification of suitable off-site locations for habitat creation/enhancement

- Negotiation with landowners and habitat banks

- Securing long-term management agreements
06

BNG Implementation Support

- Detailed design of habitat creation and enhancement measures

- Contractor selection and management

- On-site ecological supervision during implementation
07

Long-Term Monitoring and Reporting

- Development of monitoring protocols

- Regular site assessments and biodiversity surveys

- Preparation of reports for local authorities

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The BNG Process: How Enviropass Guides You Every Step of the Way

How Enviropass Guides You Every Step of the Way

Initial Consultation

We begin with a thorough discussion of your project, its context, and your goals. This allows us to tailor our approach to your specific needs and constraints.

Baseline Assessment

Our ecologists conduct comprehensive site surveys to assess existing habitats and species. We use this data to calculate your site's baseline biodiversity units using the latest Defra Biodiversity Metric.

BNG Strategy Development

Based on the baseline assessment and your project requirements, we develop a bespoke BNG strategy. This may include on-site enhancements, off-site solutions, or a combination of both.

Biodiversity Gain Plan Preparation

We prepare a detailed Biodiversity Gain Plan, including:
Pre- and post-development biodiversity unit calculations Habitat creation and enhancement proposals Long-term management and monitoring plans

EPD Creation

Based on the LCA results, we develop the EPD document, ensuring compliance with all relevant standards and PCR requirements.

Planning Application Support

We work closely with your planning team to integrate the BNG strategy into your overall planning application, providing all necessary documentation and supporting evidence.

Implementation

Once planning permission is secured, we support the implementation of BNG measures, ensuring they are delivered accurately and effectively.

Long-Term Monitoring and Management

We provide ongoing monitoring and management services to ensure the success of BNG measures over the required 30-year period.

Understanding BNG Requirements: Key Points for Developers

Key Concepts for Manufacturers and Businesses

Mandatory 10% Net Gain

Most developments will need to deliver a minimum 10% increase in biodiversity units compared to the pre-development baseline.

Biodiversity Metric

The Defra Biodiversity Metric is the standard tool for calculating biodiversity units. It considers factors such as habitat type, condition, and strategic significance.

Mitigation Hierarchy

BNG follows the mitigation hierarchy: avoid, minimize, restore, and offset. On-site measures are generally preferred, with off-site solutions used where necessary.

30-Year Commitment

BNG gains must be maintained for at least 30 years, requiring long-term management and monitoring plans.

Local Nature Recovery Strategies

BNG measures should align with Local Nature Recovery Strategies where possible, contributing to broader ecological networks.

The Benefits of Effective BNG Implementation

Implementing Biodiversity Net Gain enhances transparency, supports sustainability, and provides credible data for consumers and stakeholders, fostering trust and informed decision-making.

Smoother Planning Process

A well-prepared BNG strategy can facilitate faster planning approvals.

Ecosystem Services

Enhanced biodiversity provides valuable services such as flood mitigation, air quality improvement, and carbon sequestration.

Enhanced Reputation

Demonstrating a commitment to biodiversity can improve your company's environmental credentials.

Community Benefits

Biodiverse spaces contribute to community well-being and quality of life.

Long-Term Value

BNG makes developments more attractice and resilient

Enviropass Success Stories

Enviropass success stories highlight companies that have achieved remarkable environmental milestones through tailored solutions. These stories showcase how businesses have reduced waste, improved sustainability, and enhanced compliance with environmental regulations, demonstrating Enviropass’s expertise in fostering eco-friendly practices and contributing to a greener future.

Electronics Manufacturer

Challenge: A leading electronics manufacturer needed to assess and improve the environmental performance of their new smartphone model.

Enviropass Solution: We conducted a comprehensive LCA of the smartphone, identifying the use phase and raw material extraction as key hotspots. Our team worked with the client to develop strategies for improving energy efficiency and material selection.

Outcome: The manufacturer achieved a 30% reduction in the product's carbon footprint and used the LCA results to support successful marketing claims, leading to increased sales in the eco-conscious consumer segment.

Food Packaging Company


Challenge: A food packaging company wanted to compare the environmental impacts of their new bio-based packaging material with traditional plastic packaging.

Enviropass Solution: We performed a comparative LCA of both packaging types, considering different end-of-life scenarios. Our analysis revealed that while the bio-based packaging had lower impacts in some categories, it performed worse in others due to agricultural inputs.

Outcome: The company used our insights to optimize their bio-based formulation, resulting in a packaging solution that outperformed traditional plastic across all impact categories. This led to successful product launch and adoption by major food brands.

Furniture Manufacturer


Challenge: A furniture manufacturer needed an EPD for their best-selling office chair to meet customer demands and tender requirements.

Enviropass Solution: We conducted a full LCA of the office chair in line with the relevant PCR and supported the development and verification of the EPD. Additionally, we identified opportunities for reducing the chair's environmental impact through material substitution and improved end-of-life recyclability.

Outcome: The manufacturer successfully published their EPD, leading to increased sales in the commercial sector. They also implemented our recommended improvements, reducing the chair's carbon footprint by 20% in the next product iteration.

Frequently Asked Questions

Most developments in England now require a Biodiversity Net Gain assessment to prove a 10% increase in biodiversity. Whether it’s a small site or a major infrastructure project, Enviropass provides the technical reports required to validate your application and avoid costly delays at the validation stage.

A BNG plan is a document detailing how a development will achieve the 10% uplift. While a preliminary strategy is often needed for your initial application, the final plan is usually required before work commences. Enviropass ensures your plan is robust enough to satisfy even the strictest Local Planning Authority (LPA).

Costs vary based on site size and habitat complexity. However, at Enviropass, we focus on value-driven ecological surveys. We provide transparent, fixed-fee quotes that reflect the professional rigor required to pass council scrutiny without "gold-plating" the requirements.

We use the official Statutory Biodiversity Metric. Our consultants input data from our on-site ecological surveys to calculate "biodiversity units" before and after development. Enviropass specialists are experts at finding design efficiencies to help you reach that 10% target more affordably.

The "mitigation hierarchy" prioritizes on-site gains. Enviropass excels at integrating high-value habitats into your existing site layout. If on-site isn't feasible, we guide you through off-site gains or the purchase of statutory credits as a last resort.

Without the 10% gain, your planning permission is at risk. Enviropass acts as your environmental consultancy partner, redesigning habitat strategies or identifying local off-site providers to ensure your project remains compliant and viable.

A site visit usually takes one day, but the timing is seasonal. To prevent your project from stalling, Enviropass offers rapid turnaround times for data processing and report drafting, ensuring your BNG plan is ready when you are.

A Preliminary Ecological Appraisal (PEA) identifies protected species, while a BNG assessment quantifies habitat units. Enviropass often combines these into a streamlined package, saving you money and providing a comprehensive ecological roadmap for your site.

Yes, as of April 2024, the "Small Sites Metric" applies to most minor developments. Enviropass provides a simplified, cost-effective service for smaller developers to ensure they meet these new legal obligations without the overhead of major-project fees.

The law requires habitats to be managed and monitored for at least 30 years. Enviropass creates practical, low-maintenance management plans that protect your long-term interests while satisfying legal land management obligations.

The landowner or developer is responsible, but the monitoring reports must be professional. Enviropass offers long-term monitoring services, taking the stress out of your 30-year commitment and ensuring you remain in good standing with the LPA.

Yes! Features like green roofs, rain gardens, and hedgerows can all contribute. Enviropass works closely with your architects to ensure your urban design choices are working "double duty" for both aesthetics and biodiversity units.

These are "last resort" credits purchased from the government if you cannot achieve BNG on-site or via the private market. They are expensive. Enviropass helps you explore all other avenues first to keep your project costs as low as possible.

It is the only legal tool used to calculate units in England. Using it incorrectly can lead to rejected applications. Enviropass consultants are fully trained in the latest version of the metric, ensuring your data is 100% compliant.

Rarely. Many brownfield sites have high "open mosaic" habitat value. Enviropass provides expert desk studies and site visits to determine the baseline value of your brownfield land before you finalize your land purchase.

Look for expertise in the UK planning system and the Metric. Enviropass combines ecological expertise with a commercial mindset, ensuring we don't just find problems—we find the most cost-effective solutions for your development.

A S106 is often used to legally bind the 30-year habitat management plan. Enviropass provides the technical descriptions and management specifications that your legal team needs to finalize these agreements quickly.

While great for species-specific mitigation, BNG is primarily about habitats (area and linear features). Enviropass ensures you understand the distinction so you don't waste budget on measures that don't move the "unit" needle.

In most cases, no, but there are exceptions if the site is ecologically sensitive. Enviropass offers quick consultations to clarify your obligations, potentially saving you thousands in unnecessary reporting.

The baseline is the score of your land before work starts. If you clear the site before an ecological survey, the council may assume a higher baseline, making the 10% target harder to hit. Contact Enviropass before you clear any vegetation.

The London market is competitive. Enviropass leverages its network of land managers and brokers to help our clients secure off-site units when on-site delivery isn't an option.

Commercial projects often have limited space. Enviropass specializes in creative BNG solutions for commercial developers, such as high-quality landscaping and vertical habitats that maximize unit gain in small footprints.

Yes, and they often have huge potential to become "biodiversity net positive." Enviropass helps renewable energy firms demonstrate their environmental credentials, often exceeding the 10% target to win "green" political support.

This determines how "healthy" a habitat is. A "Poor" condition habitat is easier to improve than a "Good" one. Enviropass’s skilled ecologists ensure your baseline condition assessments are accurate, preventing "over-scoring" that makes your 10% target impossible.

Because we bridge the gap between complex ecology and commercial reality. Enviropass doesn't just produce reports; we provide a clear pathway to planning approval, protecting your timelines and your budget.

The Future of BNG: Trends and Developments

As BNG becomes firmly established in the UK planning system, we at Enviropass are at the forefront of emerging trends and developments:

Integration with Other Environmental Policies

We anticipate closer integration of BNG with other environmental policies, such as carbon neutrality goals and natural capital accounting. Our holistic approach ensures that your BNG strategy complements and enhances your broader sustainability objectives.

Technological Advancements

Emerging technologies, such as remote sensing and AI-driven ecological assessments, are set to revolutionize BNG calculations and monitoring. Enviropass invests heavily in these technologies to provide you with the most accurate and cost-effective BNG solutions.

Biodiversity Credit Markets

As the market for biodiversity credits matures, we expect to see more standardized and transparent trading mechanisms. Our team stays abreast of these developments to secure the best off-site BNG solutions for our clients.

International Adoption

The UK's BNG system is inspiring similar approaches worldwide. As international developers increasingly encounter BNG-like requirements, Enviropass's expertise becomes even more valuable.

Why Biodiversity Matters: The Bigger Picture

At Enviropass, we believe that BNG is more than just a planning requirement—it's an opportunity to contribute to global biodiversity conservation efforts. By choosing Enviropass as your BNG consultant, you're not just ensuring compliance; you're playing a part in addressing one of the most pressing environmental challenges of our time.

Biodiversity Loss

The UK, like much of the world, has experienced significant biodiversity loss. BNG provides a mechanism to reverse this trend.

Ecosystem Resilience

Biodiverse ecosystems are more resilient to climate change and other environmental pressures.

Economic Value

The UK's natural capital is estimated to be worth billions of pounds annually. BNG helps protect and enhance this valuable resource.

Health and Wellbeing

Access to biodiverse green spaces has been linked to improved physical and mental health outcomes.

Ready to Maximize Your BNG Potential?

Navigating the complexities of Biodiversity Net Gain doesn't have to be daunting. With Enviropass as your trusted partner, you can turn BNG requirements into opportunities for creating outstanding, nature-positive developments.
Take the first step towards biodiversity-positive development. Contact Enviropass today for a free initial consultation.

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0203 488 0225

Email address

info@enviropass.co.uk

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Resources and Further Reading

To help you stay informed about Biodiversity Net Gain and related topics, we've compiled a list of valuable resources:

At Enviropass, we're committed to not just meeting the letter of BNG requirements, but embracing their spirit. We believe that by working together, we can create a built environment that enhances nature, benefits communities, and sets new standards for sustainable development.
Choose Enviropass for your BNG consulting needs, and let's build a biodiverse future together.

EnviroPass | Biodiversity Net Gain Consulting
Enviropass Consulting Ltd, a company registered in England and Wales. Company Number: 11624512

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