Bromley LPA BNG
Expert support for Biodiversity Net Gain in Bromley LPA. BNG assessments, habitat mapping & access to local BNG units.
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Biodiversity Net Gain in Bromley LPA Local Planning Authority
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Bromley, located in South East London, is the largest London borough by area and features a diverse landscape combining suburban development, rural green belt, woodlands, and farmland. Covering approximately 150 square kilometres, Bromley includes towns such as Bromley, Orpington, Beckenham, and Biggin Hill. The borough contains extensive natural assets, including over 50 Sites of Importance for Nature Conservation and significant areas of ancient woodland and heathland.
Aligned with the Environment Act 2021, Bromley Council requires most development proposals to achieve a minimum of 10% Biodiversity Net Gain (BNG). This can be achieved through on-site habitat creation or enhancement, the use of off-site biodiversity units, or contributions to local nature recovery and strategic green infrastructure projects.
Bromley spans several National Character Areas including the North Kent Plain, the Thames Basin Lowlands and the North Downs. Its rich ecological features include chalk grassland, ancient woodland, river corridors, and traditional orchards, many of which are priority habitats under national and local conservation frameworks.
The mix of urban, suburban, and rural areas presents both challenges and unique opportunities for delivering BNG. In green belt locations, BNG can support wider landscape-scale ecological enhancement, while in denser suburban areas, green roofs, sustainable drainage systems, and species-rich planting can provide valuable on-site gains.
For developers, landowners, and planning professionals working in Bromley, a strong understanding of the borough’s habitat types, conservation priorities, and planning policies is essential. Our team provides full BNG services including habitat surveys, metric calculations, and advice on on-site and off-site biodiversity delivery.
To learn more or receive updates about BNG units and schemes in the area, get in touch with us.
Habitats in Bromley LPA Local Planning Authority
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Bromley’s ecological network includes a broad range of habitat types, many of which are classified as high or very high distinctiveness under the BNG framework.
Grassland Habitats
Chalk Grassland: Found in areas such as Saltbox Hill, supporting orchids, butterflies, and rare plant species.
Neutral Grassland: Located in meadows and commons, offering habitat for pollinators and small mammals.
Amenity Grassland: Widespread in urban parks and greenspaces, with enhancement potential through wildflower sowing.
Woodland and Forest Habitats
Ancient and Semi-Natural Woodland: Present in areas such as Scadbury Park and Petts Wood, supporting a wide variety of species.
Broadleaved Woodland: Common in green belt and parkland, providing nesting and roosting habitat for birds and bats.
Traditional Orchards: Found in rural parts of the borough, offering seasonal foraging and structural diversity.
Wetland and Watercourse Habitats
Rivers and Streams: The River Ravensbourne and River Cray support riparian habitats and ecological corridors.
Ponds and Wetlands: Located in parklands and nature reserves, supporting amphibians and aquatic invertebrates.
Floodplain Grazing Marsh: Found in the Cray Valley and surrounding lowlands, contributing to habitat diversity and flood resilience.
Urban and Built Habitats
Green Roofs and Living Walls: Increasingly used in town centres and new developments to support biodiversity.
Brownfield Land and Railway Sidings: Provide habitat for pioneer species and invertebrates.
Private Gardens and Allotments: Form a large part of suburban greenspace, important for hedgehogs, birds, and pollinators.
Hedgerows and Linear Features
Species-Rich Hedgerows: Widespread in rural areas, linking woodlands and supporting nesting birds.
Tree Belts and Verges: Present along roads, field margins, and footpaths, acting as movement corridors for wildlife.
Bromley LPA BNG Planning
High and very high distinctiveness habitats—such as ancient woodland, chalk grassland, rivers, and floodplain marshes—are essential to achieving significant BNG in Bromley. These habitats offer the greatest uplift but require protection and long-term management.
Lower distinctiveness habitats such as amenity grassland and scrub can be improved through appropriate planting and habitat creation, offering more flexible solutions for on-site BNG delivery.

Bromley
Orpington
Beckenham
Penge
Biggin Hill
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