Biodiversity Net Gain

At Gradwell Ecology, we believe that development and nature can thrive together. Our Biodiversity Net Gain (BNG) solutions ensure that every project we work on leaves the natural environment in a better state than before. With increasing environmental concerns and regulatory requirements, BNG is no longer an option but a necessity for sustainable development.

Gradwell Ecology is at the forefront of delivering innovative, compliant, and ecologically sound BNG solutions tailored to developers, local authorities, and landowners. Our expert team helps you navigate the complexities of biodiversity policies while ensuring your projects meet legal requirements and enhance local ecosystems.

Quotation Enquiry

Submit the short form below and we'll be in touch shortly.

To speed up the process of us getting a quotation over, submit all drawings and information below.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
As featured in:

What is Biodiversity Net Gain (BNG)?

Biodiversity Net Gain (BNG) is a measurable approach to improving biodiversity in the development process. It ensures that projects leave the environment in a better condition than before by enhancing habitats, protecting wildlife, and integrating nature-based solutions into development planning. In line with UK government regulations, developers are required to deliver a minimum 10% net gain in biodiversity.

BNG supports sustainable land use and development, ensuring that construction, urban expansion, and infrastructure projects contribute positively to the environment rather than depleting natural resources.

Contact Us

Pricing

See our prices below to give you a rough idea on costs

BNG Small sites metric

Get all the BNG documents you need with a one-off payment.

From £495

per project
On-Site Biodiversity Survey – A full ecological survey conducted by our experts to assess existing habitats.
Complete Metric Calculations – Accurate biodiversity metric calculations using the official Small Sites Metric (SSM)
Baseline & Post-Development Habitat Plans – Clear and detailed habitat maps showing changes before and after development.
Produce a complete metric sheet
Comprehensive Documentation – Submission-ready reports, including supporting evidence, photographs, and justifications.
Ongoing Support & Revisions – Guidance throughout the process with expert advice and necessary adjustments to meet planning requirements.
Get Started

BNG

We assist you in real time via video call, guiding you every step of the way.

From £950

per project
Comprehensive On-Site Survey – Our team will visit the site to assess existing habitats and collect all necessary data.
Full Biodiversity Metric Calculations – We will calculate the biodiversity value of the site using the Statutory Biodiversity Metric or the Small Sites Metric (SSM) where applicable.
Baseline & Post - Development Habitat Plans – We will produce clear habitat maps showing existing conditions and proposed biodiversity enhancements.
Biodiversity Gain Plan (BNG Plan) – A fully compliant Biodiversity Gain Plan, including justifications, habitat enhancements, and compliance with BNG requirements.
Full Submission-Ready Documentation – All required metric spreadsheets, reports, and supporting evidence (including photographs and ecological justifications) for planning approval
Ongoing Support & Revisions – We provide expert guidance, answer planning authority queries, and revise calculations if needed to ensure approval.
Get Started

PEA & BNG

Get access to the BNG tool for your team - ideal for businesses.

From  £1195

/ inc. VAT per project
Comprehensive On-Site Survey – We conduct a full site assessment, including habitat and ecological surveys, to gather all required data.
Preliminary Ecological Appraisal (PEA) Report – A detailed report identifying existing habitats, protected species potential, ecological constraints, and recommendations for mitigation or enhancement.
Full Biodiversity Metric Calculations – We calculate biodiversity value using the Statutory Biodiversity Metric or Small Sites Metric (SSM) where applicable
Baseline & Post - Development Habitat Plans – We will produce clear habitat maps showing existing conditions and proposed biodiversity enhancements.
Full Submission - Ready Documentation – All required metric spreadsheets, reports, and supporting evidence (including photographs and ecological justifications) for planning approval
Ongoing Support & Revisions – We provide expert guidance, answer planning authority queries, and revise calculations if needed to ensure approval.
Get Started

Why Choose Us?

Gradwell Ecology is a leading ecological consultancy with extensive experience in conducting Biodiversity Net Gain (BNG)
1

Expert-Led BNG Solutions – Our team of ecologists, planners, and environmental consultants has extensive experience in developing and implementing BNG strategies. We work closely with developers and local authorities to integrate biodiversity enhancement measures into projects from the planning stage to post-development monitoring.

2

Regulatory Compliance and Planning Support – Navigating biodiversity regulations can be complex. Our experts provide comprehensive guidance on BNG policies, ensuring compliance with The Environment Act 2021 and local planning requirements. We help developers meet the mandatory 10% biodiversity net gain threshold while balancing project feasibility and ecological benefits.

3

Cost-Effective and Practical Solutions – We understand the financial implications of BNG requirements. Our team designs cost-effective biodiversity strategies that align with your budget while delivering ecological improvements. By implementing efficient habitat creation and enhancement techniques, we help minimize costs while maximizing biodiversity value.

4

Enhancing Land Value Through Nature-Based Solutions – Biodiversity improvements can enhance property value, attract investors, and improve community well-being. Green spaces, natural habitats, and sustainable landscapes make developments more appealing while meeting corporate sustainability goals and ESG (Environmental, Social, and Governance) standards.

The Benefits of Biodiversity Net Gain

Get Started
1

Regulatory Compliance – Meets legal BNG requirements under the Environment Act 2021.

3

Financial Incentives – BNG can increase land value, attract investors, and provide revenue through biodiversity credits.

4

Sustainable Development – Balances economic growth with environmental responsibility.

2

Environmental Protection – Enhances habitats, protects wildlife, and promotes ecosystem resilience.

5

Corporate Social Responsibility (CSR) & ESG Benefits – Demonstrates commitment to sustainability, biodiversity, and climate resilience.

How to Get Started with Gradwell Ecology?

Get Started
1

Initial Consultation: Contact our team for a free consultation to discuss your BNG requirements. We will assess your project’s impact and outline potential biodiversity enhancements.

2

BNG Assessment & Planning: Our experts conduct ecological surveys, impact assessments, and BNG metric calculations to develop a tailored strategy that aligns with your project’s needs.

3

Implementation & Monitoring: We deliver on-site habitat creation, biodiversity offsetting, and long-term monitoring to ensure compliance and ecological success.

4

Sustainable Management & Reporting: Gradwell Ecology provides ongoing support to help you maintain biodiversity net gain commitments and meet regulatory reporting standards.

Frequently Asked Questions

How is BNG calculated?
What happens if my project does not meet BNG requirements?
Who needs to implement BNG?