Barnet LPA BNG
Expert support for Biodiversity Net Gain in Barnet LPA. BNG assessments, habitat mapping & access to local BNG units.
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Biodiversity Net Gain in Barnet LPA Local Planning Authority
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Barnet, situated in North London, is one of the city’s largest boroughs, combining suburban residential areas, woodlands, and green belt land. Covering approximately 87 square kilometres, the borough includes diverse communities such as Finchley, Hendon, Edgware, and Barnet itself. With more than 200 parks and open spaces, Barnet has one of the highest proportions of green space among London boroughs, contributing significantly to urban biodiversity.
Aligned with the Environment Act 2021, Barnet Council requires most development proposals to deliver a minimum of 10% Biodiversity Net Gain (BNG). This can be achieved through on-site ecological enhancements, the purchase of off-site biodiversity units, or contributions to borough-wide nature recovery initiatives and green infrastructure.
Barnet lies within the Northern Thames Basin National Character Area and includes key natural features such as the Dollis Brook, Silk Stream, and Brent Reservoir. These watercourses and adjacent greenspaces form important wildlife corridors that connect fragmented habitats across the borough.
The combination of extensive parkland, ancient woodland, suburban gardens, and urban infrastructure offers a rich mix of habitats and varied opportunities for implementing BNG. Effective BNG in Barnet relies on habitat-sensitive planning, enhancement of existing green assets, and the integration of ecological design into development projects.
For developers, landowners, and planning professionals working in Barnet, understanding local habitat types, planning policies, and ecological networks is essential. Our team offers full BNG services including metric assessments, baseline surveys, and both on-site and off-site strategy support.
To learn more or receive updates about BNG units and schemes in the area, get in touch with us.
Habitats in Barnet LPA Local Planning Authority
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Barnet’s landscape is shaped by its parkland, ancient woodland remnants, watercourses, and suburban greenspaces, offering a wide range of habitats under the Biodiversity Net Gain framework.
Grassland Habitats
Neutral Grassland: Found in parks and nature reserves, providing habitat for pollinators and ground-nesting birds.
Amenity Grassland: Common across public open spaces and housing areas, often suitable for wildflower enhancement.
Urban Meadows: Increasingly established in community spaces and road verges.
Woodland and Forest Habitats
Ancient and Semi-Natural Woodland: Present in areas such as Big Wood and Cherry Tree Wood, supporting rich biodiversity.
Broadleaved Woodland: Found throughout parks and greenbelt land, providing nesting and foraging sites for birds and bats.
Hedgerows and Tree Lines: Key linear features contributing to habitat connectivity.
Wetland and Watercourse Habitats
Streams and Brooks: The Dollis Brook and Silk Stream are important ecological corridors supporting fish, amphibians, and invertebrates.
Reservoirs and Ponds: The Brent Reservoir (Welsh Harp) and various ornamental ponds support wetland birds and aquatic life.
Floodplain Grassland and Margins: Found adjacent to watercourses, contributing to flood resilience and biodiversity.
Urban and Built Habitats
Green Roofs and Walls: Used increasingly in modern developments to provide ecological and climatic benefits.
Gardens and Allotments: Support a range of flora and fauna, contributing significantly to urban wildlife.
Brownfield Sites: Provide early successional habitats for invertebrates and pioneer plant species.
Hedgerows and Linear Features
Field Margins and Tree Belts: Found in greenbelt areas, enhancing connectivity between core habitats.
Greenways and Footpaths: Serve as movement corridors for wildlife and recreational routes for residents.
Barnet LPA BNG Planning
High and very high distinctiveness habitats—such as ancient woodland, reservoirs, brooks, and meadows—offer substantial biodiversity uplift and must be carefully protected or enhanced during development. These habitats may also come with stricter planning requirements.
Lower distinctiveness habitats like amenity grassland, garden spaces, and urban tree planting can be enhanced with wildflower seeding, hedgerow planting, or the creation of new habitat features, providing flexible on-site BNG opportunities.

Barnet
Finchley
Hendon
Edgware
Golders Green
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