
As the climate crisis deepens, sustainability has shifted from a niche concern to a core pillar of business strategy, Biodiversity Net Gain (BNG) is redefining how the UK thinks about land use, planning and community development. Yet while legislation and metrics can guide the what of environmental policy, it’s the people and organisations behind implementation that bring the how to life.
BNG is an approach to development that makes sure that habitats for wildlife are left in a measurably better state than they were before the development. It requires developments to result in at least a 10% increase in biodiversity compared to the pre-development state. This can be achieved on-site, through green infrastructure, off-site or a combination of both.
Importantly, BNG is a mandatory requirement for most planning permissions in England.
Who Are The Land Trust?
“Our vision is to improve the social and economic quality of people’s lives by creating sustainable, high-quality greenspaces.” – The Land Trust
Founded in 2004, The Land Trust is a national charity that manages over 90 sites and more than 2,000 hectares of land across England. These sites range from former industrial and contaminated land through to new housing estates, parks, and nature reserves.
Their mission is to ensure that land and open spaces are not just protected, but actively managed to deliver environmental improvement, community cohesion, education, health, and economic regeneration.
This mission is seen through their Biodiversity Net Gain endeavours, where their expert oversight and long-term stewardship, give clients confidence that their BNG commitments will be delivered effectively.
Crucially, The Land Trust operates as a Responsible Body under the UK’s environmental framework, meaning it can hold and manage land designated for conservation purposes, often secured through conservation covenants. This gives it a legally recognised role in delivering and maintaining Biodiversity Net Gain across developments, ensuring that ecological improvements are not lost over time.
But unlike many environmental organisations, The Land Trust’s model is built around long-term stewardship. Rather than focusing on short-term projects or one-off restorations, it takes on land with a commitment to manage it for decades.
This long term dedication gives The Land Trust the time to devote themselves to the development of the land they steward.
Funding the Future: Innovation in Biodiversity Finance
One of the most pressing questions in the BNG space is: Who pays for nature, and how can that funding be sustained?
The Land Trust has been exploring innovative answers. A central part of its approach lies in stacked or blended funding models, where multiple revenue sources (such as biodiversity unit sales, carbon credits, and agri-environment schemes) can be layered to make conservation projects financially viable.
This approach recognises that environmental stewardship doesn’t fit neatly into a single funding stream. It’s about diversifying income to make sure that once habitats are created, they can continue to flourish long after the initial investment period.
Chris then began looking at a different part of their financial model; Habitat Banks – areas of land that are prepared, restored, and maintained to deliver biodiversity units. These units can then be sold to developers who need to offset their environmental impact. By establishing these banks before demand peaks, The Land Trust ensures that high-quality, ready-to-go sites are available to support development without ecological compromise.
Of course, BNG isn’t just about compliance. It’s about creating a lasting environmental asset. That’s why The Land Trust structures many of its projects with long-term funding built in, typically for 30 years or more, often through endowments or service charges attached to residential developments.
Still, there are challenges. Smaller developments that only require a few biodiversity units can struggle to fit into large-scale habitat bank models. And as with any new market, there’s a risk that if units don’t sell fast enough, private investors could lose confidence. Yet, as Chris noted, the long-term opportunity remains immense, particularly for developers and landowners who see the value of integrating BNG into the broader concept of placemaking.
Designing With Nature: BNG in Residential Developments
One of the strongest messages that Chris presented was how BNG must be embedded from the start. It cannot be bolted on at the end of the planning process.
Too often, biodiversity considerations are introduced late in a project, forcing costly redesigns or superficial fixes. The Trust advocates for a different approach: embedding biodiversity and ecological design principles even before land acquisition.
This means understanding a site’s constraints and opportunities at the earliest stage, and integrating green infrastructure (such as wetlands, meadows, street trees, and wildlife corridors) into the site layout.
It’s about shifting the mindset from seeing BNG as a regulatory hurdle to viewing it as an opportunity to enhance the quality and market appeal of a development. It’s a strategic move from The Land Trust, as natural spaces, especially in more built up areas, are a valuable asset, especially when they are looked after and cared for under the stewardship of an organisation like The Land Trust. These natural spaces will increase the value of the properties being built, making it a win-win for both developers and biodiversity.
Chris also stressed the importance of ensuring residents understand and value the biodiversity within their developments. For example, in the sales pack given to buyers, communicating the ecological purposes of the natural areas and even suggesting how they could help to maintain/respect it will shift residents into taking pride in their green spaces, perhaps even participating in maintaining it.
Ultimately, their goal is to ensure that BNG is not only delivered but maintained and improved over time, through robust stewardship frameworks and community buy-in.

Ensuring that we maintain and improve the natural world is of paramount importance. With this in mind, Government Events is hosting The Public Sector Climate Change Conference 2026 on the 24th February. As the mission to make the UK Net Zero by 2050 continues, local authorities and the public sector crucially need to lead the way in this necessary transition.
Beyond Greenwashing: Meaningful Community Engagement
“Fundamentally, without community engagement all of the green BNG is irrelevant” – Chris Valdus
Continuing on from the last point, The Land Trust’s philosophy places people at the centre of environmental success. For biodiversity projects to thrive, they must have the support and understanding of those who live nearby.
The Trust’s approach to engagement promotes ongoing, two-way collaboration with communities throughout the lifecycle of a project. That might mean involving local groups in ecological surveys, running workshops on biodiversity, or simply making environmental data openly accessible so people can see how their landscape is changing.
The organisation’s Green Angels programme is a great example of this philosophy in action. Originally launched in Liverpool, it is now a nationwide initiative that offers free environmental training courses that empower residents to learn conservation skills and even support biodiversity monitoring.
In 2024 alone, The Land Trust’s volunteers contributed more than 48,000 hours of conservation work, while over 500 “BioBlitz’s” brought local people closer to the nature on their doorstep.
“BioBlitz’s” are biological surveys that attempt to record all the living species within a designated area. Often these surveys are supported by volunteers from the local area. By engaging the public, the goal is to get people interested in biodiversity.
These initiatives don’t just create data; they create connections. They turn biodiversity from an abstract concept into a shared responsibility. Indeed, attending a BioBlitz could mean a fun day out, a chance to socialise with new people and an opportunity to support and learn about local biodiversity.
Education and Skills: Building Capacity for the Future
Biodiversity Net Gain is still a relatively new concept in the UK. It was first introduced in 2021, but became mandatory for planning applications from February 2024. Chris has noticed a rising skill gap, which will only increase as more and more developments are created to match demand.
The Land Trust is addressing this by working with schools, universities, and local authorities to strengthen environmental education at every level.
At the school level, the charity collaborates with initiatives like Learning Through Landscapes and the Department for Education to help transform traditional playing fields into biodiverse outdoor classrooms. These projects encourage children to engage with nature early, shifting the culture of how schools think about their green spaces.
At the higher education level, the Trust is calling for greater integration of BNG principles into university courses, particularly in ecology and environmental management. As demand grows for ecologists skilled in UK Habitat Classification and BNG metric assessments, training the next generation becomes essential.
This education-first approach has a ripple effect: it ensures that planners, developers, and consultants all operate with a stronger understanding of how to design and maintain landscapes that are both ecologically functional and socially enriching.
The Natural Environment and Social Deprivation
Beyond the ecological and economic factors, The Land Trust sees green spaces as a vital tool in addressing social deprivation and inequality.
Their “Tomorrow’s World” report, published to mark the charity’s 20th anniversary, highlights the increasing pressure on green spaces and the growing recognition that access to them is not a luxury but a necessity.
“Fundamentally the natural environment has a key part to play, but engaging the community in that is absolutely essential in order to address and mitigate against social and environmental economic pressures.” – Chris Valdus
The report highlights how biodiversity development doesn’t just positively impact nature. Natural spaces improve physical health, mental wellbeing and can knit communities together. Natural spaces add beauty to the world, they can bring people out of their homes, make their air fresher and give them an escape.
Chris was proud to say that The Land Trust generated an estimated £76.9 million of social value. Social value is the additional benefit a community receives beyond the direct goods or services being procured. Things like social, economic and environmental wellbeing. It includes outcomes like job creation, training opportunities for disadvantaged groups, environmental sustainability, and support for local charities.
For The Land Trust, it’s a win-win situation. Developers should take pride in improving the biodiversity of England, and BNG results in better green spaces, better wellbeing for people around those green spaces and more opportunities for creating strong communities that protect and cherish the green spaces around them.
Towards a Truly Sustainable Model of Development
By linking Biodiversity Net Gain, community engagement, education and long-term stewardship, The Land Trust’s approach provides a compelling model for how countries can embed sustainability into urban growth.
The charity has demonstrated that environmental management doesn’t have to be a tick-box exercise or financial burden. When planned and managed properly, it becomes a powerful way of generating social, economic and environmental value.
With BNG being mandatory for developers, the sustainable model of development pioneered by The Land Trust offers an opportunity to rethink what good development really means. It’s not just about housing numbers and infrastructure metrics – it’s about creating places that are alive, where ecosystems and communities evolve together.
The challenges of climate change, biodiversity loss and urban growth can feel daunting. The Land Trust’s response is hopeful: sustainability isn’t achieved through legislation alone. It happens when we align funding, design and community with a shared purpose.
By treating green spaces as living infrastructure – essential to both environmental health and social wellbeing – the UK can create developments that don’t just meet targets, but transform how people experience their local environment.
We’d like to thank Chris Valdus and The Land Trust for this incredibly interesting session. Throughout this case study, you could see how proud Chris feels for the work The Land Trust does to change green spaces and knit communities together. The Biodiversity Net Gain Conference was an excellent day of learning, collaborating and networking. The Public Sector Climate Change Conference 2026 is shaping up to deliver the same value.
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