Architects
Designing with Biodiversity Net Gain in mind
Biodiversity Net Gain (BNG) increasingly influences design decisions long before a planning application is submitted.
For architects, BNG often appears as a constraint to be balanced alongside layout, access, viability, and client objectives, rather than as a requirement to be delivered directly.
This page is written for architects involved in the early design and coordination of development proposals where Biodiversity Net Gain may be a consideration.
How Biodiversity Net Gain affects design
Biodiversity Net Gain can shape site layout, landscape strategy, and the treatment of open space within a development.
Early decisions around footprint, density, and retained habitats can significantly influence whether the required 10% biodiversity net gain can be achieved on-site.
Understanding the role of BNG early helps avoid late-stage design compromises or unexpected planning conditions.
On-site and off-site delivery at the design stage
Where appropriate, on-site habitat creation or enhancement can be integrated into the design to support both planning outcomes and placemaking.
However, not all sites or schemes are suited to meaningful on-site delivery, particularly where space is constrained or management would be impractical.
In these cases, off-site Biodiversity Net Gain provides flexibility, allowing design quality and site function to be prioritised without undermining compliance.
Working alongside ecology and planning
Biodiversity Net Gain sits across multiple disciplines, and architects often play a coordinating role between ecology, planning, and the client.
A clear understanding of how BNG is delivered helps architects engage confidently in discussions around feasibility, trade-offs, and design strategy.
This coordination is particularly important where off-site delivery may ultimately form part of the planning solution.
Keeping design focused on what it does best
Architects are not expected to resolve the technical delivery of Biodiversity Net Gain.
What matters is understanding how design decisions influence BNG outcomes, and when it is appropriate to rely on off-site delivery rather than forcing ecological solutions into unsuitable designs.
A clear delivery process allows architectural design to remain focused on quality, function, and client objectives.
A clear route from design to compliance
When Biodiversity Net Gain is treated as a structured, procedural requirement, it becomes easier to accommodate within the design process.
Early clarity around whether off-site delivery is likely can help inform layouts and reduce redesign later in the planning process.
This approach supports smoother progression from concept design through to planning approval.
Next steps for architects
If a scheme is unlikely to achieve the required biodiversity net gain on-site, the next step is to understand the scale of the off-site requirement.
This provides clarity for clients and project teams and helps ensure that design decisions align with a realistic route to compliance.
Simply delivering Biodiversity Net Gain.