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Biodiversity Net Gain (BNG)

BNG is a new system brought in by DEFRA which aims to increase biodiversity with every development and is undertaken alongside phase 1 surveys.

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Why are BNG surveys carried out?

BNG is an approach, brought in by DEFRA in 2019, which aims to increase biodiversity and measure that increased, following development. Most developments will need to have a minimum increase in BNG by 10% with the exact increase being decided by your respective local planning authority (LPA).

The Biodiversity Metric is used to measure BNG. This is a calculation which takes into account the habitat size, condition, distinctiveness, and strategic significance.



When do I need to have a BNG survey?

Following a three-year implementation period set out by the Government in 2021, mandatory BNG is to be in place on 12 February 2024 for large developments and 2 April 2024 to smaller developments. Although some LPAs have implemented BNG already.

This means that any development after the decided date will need to comply.

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What does Abrehart Ecology offer?

At Abrehart Ecology we offer professional, skilled, and efficient BNG work. We are a pioneering ecology consultancy, getting ahead of competitors in order to provide a BNG service before the planned implementation date.

Further information about BNG can be found here.

Preliminary Ecological Appraisal (PEA)

In addition to a BNG survey, a PEA will also need to be carried out as part of your phase 1 surveys for a devlopment.

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