Exeter LPA BNG
Discover key habitats, BNG requirements, and planning guidance for developers in Exeter LPA Local Planning Authority.
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Biodiversity Net Gain in Exeter LPA Local Planning Authority
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Exeter, the county capital of Devon, is a compact but growing city situated on the River Exe in South West England. Covering approximately 47 square kilometres, Exeter blends historic urban fabric with green infrastructure, river corridors, parks, and nearby countryside. Though predominantly urban, the city includes important natural features such as the Valley Parks, the River Exe floodplain, and adjacent Sites of Special Scientific Interest (SSSIs).
In line with the Environment Act 2021, Exeter City Council requires most development proposals to achieve a minimum of 10% Biodiversity Net Gain (BNG). Urban BNG is typically delivered through enhancements to parks, green roofs, SuDS features, and the integration of biodiversity-friendly landscaping. Off-site delivery may also be supported through partnerships with regional habitat banks and green infrastructure projects.
Exeter falls within National Character Area Devon Redlands, defined by its red soils, river valleys, and historic farmland patterns. While much of the district is built up, key ecological assets include the River Exe and its floodplain, urban woodlands, and a network of parks and allotments. The city is also adjacent to designated areas such as the Exe Estuary Special Protection Area (SPA) and Ramsar site, which supports large numbers of overwintering birds.
Delivering BNG in Exeter often involves creative use of space, multifunctional design, and strategic enhancements to existing urban green infrastructure.
We provide BNG services in Exeter, including baseline surveys, metric assessments, habitat design, and guidance on integrating biodiversity into urban developments.
Habitats in Exeter LPA Local Planning Authority
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Exeter supports a diverse range of urban and semi-natural habitats suitable for BNG delivery, despite its compact footprint.
Urban Green Infrastructure
Modified and Amenity Grassland: Widespread in parks and roadside verges; suitable for enhancement through reduced mowing and wildflower planting.
Urban Woodland and Trees: Found in Valley Parks and streetscapes; valuable for urban wildlife, including birds and bats.
Green Roofs and Living Walls: Increasingly important in high-density areas with limited ground space.
Wetland and Watercourse Habitats
River Exe and Floodplain: The River Exe and its tributaries form a major ecological corridor, supporting otters, kingfishers, and fish species.
Floodplain Grassland and Reedbeds: Occur along the river corridor; important for wetland flora and fauna.
Urban Ponds and SuDS Features: Provide habitat for amphibians and insects, while supporting water management.
Grassland and Meadow Habitats
Species-Rich Grassland: Found in areas such as Ludwell and Mincinglake Valley Parks; support pollinators and wildflowers.
Improved and Modified Grassland: Common in managed landscapes; can be transformed through habitat creation measures.
Woodland and Linear Features
Lowland Mixed Woodland: Present in urban fringe woodlands and older parklands.
Hedgerows and Green Corridors: Support species movement through urban environments, particularly when linked to cycle routes and waterways.
Brownfield and Transitional Habitats
Vacant and Regenerating Sites: Often support pioneer species and invertebrate-rich habitats with significant BNG potential.
Railway Embankments and Undeveloped Land: Linear and semi-natural spaces that can act as habitat corridors.
Exeter LPA BNG Planning
While high distinctiveness habitats are less widespread in the urban core, riparian corridors and Valley Park habitats—such as reedbeds, floodplain grasslands, and wet woodlands—are ecologically valuable and require protection.
BNG delivery in Exeter is often achieved through urban enhancements, including wildflower meadow creation, tree planting, green roofs, hedgerows, and SuDS ponds. These also contribute to wider goals such as climate resilience, flood mitigation, and public amenity.

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