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Biodiversity Net Gain (BNG) Assessments

Gentian’s industry-leading Biodiversity Net Gain (BNG) Assessments combine powerful AI and high-resolution satellite imagery to deliver fast, accurate, and compliant habitat surveys. Accelerate your biodiversity strategy with our reliable and scalable remote assessments.

How our BNG Assessments work

Gentian leverages advanced AI-driven satellite analysis to classify and map habitats accurately, providing biodiversity insights aligned with BNG statutory metrics for baseline assessments and long-term monitoring. Our process is swift, scalable, and precise, eliminating the delays associated with traditional ecological surveys.

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What is a BNG Assessment?

How does Biodiversity Net Gain work?


Biodiversity Net Gain (BNG) is a mandatory approach to development and land management in England that aims to leave the natural environment in a measurably better state than it was before.

Put simply, BNG ensures developments such as housing estates achieve at least a 10% increase in biodiversity. Using habitat surveys, biodiversity metrics are calculated pre- and post-development to demonstrate net gains.

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What is a Biodiversity Net Gain plan?


A Biodiversity Net Gain Plan outlines how a project will deliver and maintain biodiversity improvements, detailing pre-development habitat baselines and post-development commitments. It includes specific actions, management strategies, and monitoring plans to ensure long-term biodiversity enhancements, meeting regulatory requirements and contributing positively to local ecosystems.

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Biodiversity Net Gain Assessment Report


A BNG Assessment Report provides detailed insights into existing habitat types, conditions, and biodiversity units calculated in line with statutory biodiversity metrics, guiding developers and planners toward positive ecological outcomes. The report includes clear visual maps of habitats, precise biodiversity metrics, and strategic recommendations for enhancing ecological value. 

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Biodiversity Net Gain Laws and Regulations


Under the UK's Environment Act 2021, a minimum 10% BNG is required for most new developments. While Gentian’s assessments are not designed to fulfil BNG compliance directly, they provide calculated biodiversity units that help scope out sites, inform site selection, and de-risk site acquisition. Our rapid, remote surveys enable developers to make smarter, nature-positive decisions earlier in the project lifecycle.

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Why choose Gentian?

Gentian combines ecological expertise, advanced AI, and remote sensing to provide the clarity and data you need to make nature-positive decisions earlier, faster, and more cost-effectively than traditional surveys.

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Cost-Efficient & Scalable

Eliminates the need for expensive, manual field surveys.

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Rapid Delivery

Assessments completed in days or even minutes, not weeks or months.

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Unparalleled Accuracy

Sub-meter resolution satellite imagery for precise habitat mapping.

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Trusted Data

Reports fully aligned with statutory metrics and checked by our in-house ecological experts for quality. 

Case study

Rapid biodiversity insights enable facilities management leader to cut site scoping times significantly

A leading UK facilities management company needed faster, scalable biodiversity assessments. Using Gentian True Sight, they cut site-scoping time, reduced costs, and improved proposals, securing projects over competitors.

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FAQs

What is Biodiversity Net Gain (BNG)?

BNG is an approach to development aiming to leave biodiversity in a measurably better state than before. It uses quantifiable biodiversity units to evaluate habitat condition and ensure developments contribute positively to the natural environment.

Who needs a BNG assessment?

Developers, planners, and local authorities involved in land management and construction projects typically require BNG assessments. These assessments support better-informed site selection, early feasibility studies, and de-risking of investments.

How quickly can Gentian deliver a BNG assessment?

Assessments are typically delivered within days (for Gentian True Sage) or minutes (for Gentian True Sight) due to our advanced remote-sensing technology. Our online platform enables rapid turnaround without the delays or logistics associated with manual fieldwork.

Is Gentian’s BNG assessment compliant with regulatory standards?

Our assessments align with statutory biodiversity metrics and can support understanding of a site's biodiversity value. However, they are not intended to replace formal BNG compliance documentation required by local planning authorities.

Can Gentian assess multiple sites simultaneously?

Absolutely, our scalable remote assessments efficiently handle multiple sites, providing quick and consistent results. This is particularly beneficial for portfolio-level screening or region-wide strategy development.

Can I use Gentian's data to submit a formal BNG assessment report?

Gentian’s data is ideal for scoping, early feasibility, and risk reduction. While it is not designed for direct submission as a compliant BNG report, it provides a strong foundation for subsequent ecological assessments required for planning approval.

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Habitat Mapping

Gentian uses AI and satellite imagery to map habitats with speed and accuracy. Ideal for baselines, monitoring, or biodiversity risk insights—giving you a clear view of the landscape. 

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Biodiversity Monitoring, Reporting and Verification (MRV)

Our AI-powered MRV solutions deliver accurate, remote assessments of habitat change and ecological condition over time, aligned with TNFD, CSRD, and other global standards.

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Phase 1 Habitat Surveys

Gentian delivers remote Phase 1 Habitat Surveys using AI and high-resolution satellite imagery—providing rapid, cost-effective alternatives to traditional field-based assessments, whether for early-stage scoping, risk screening, or desktop baselines.

Get in touch

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