If you are still struggling with Nutrient Neutrality we can help. We achieve full neutrality in more than 90% of developments. Our on-site nutrient mitigation shows significant savings vs. buying credits.
The affected areas in the Solent catchment cover a number of larger towns and cities, including Southampton, Portsmouth, Fareham, Havant, Winchester, Eastleigh, Waterlooville and Andover. A detailed map of the area is shown below, and e also have a full showigdue to excess nitrogen levels. This region includes the following Local Planning Authorities (LPAs):
Basingstoke and Deane LPA
Chichester LPA
East Hampshire LPA
Eastleigh LPA
Fareham LPA
Gosport LPA
Havant LPAIsle of Wight LPA
New Forest LPA
New Forest National Park LPA
Portsmouth LPA
South Downs National Park LPA
Southampton LPA
Test Valley LPA
West Berkshire LPA
Wiltshire LPA
Winchester LPA
The affected areas in the Solent catchment cover a number of larger towns and cities, including Southampton, Portsmouth, Fareham, Havant, Winchester, Eastleigh, Waterlooville and Andover.
A detailed map of the area is shown below, and we also have a full UK Nutrient Neutrailty Map showing the issue nationally.
If you are considering a BNG or nutrient scheme, get in touch to understand how to ensure maximum benefit from your scheme.
We would characterise the mitigation market in the catchment as acceptable due to a functioning market supplying nitrogen credits. Mitigation is being priced such that costs are around of £4,000 to £7,500 per house.
Some wastewater treatment works have nutrient stripping. New houses currently require between 1 and 2.7 kg of nitrogen mitigation per house. This creates significant opportunities for landowners looking at mitigation schemes.
We forecast demand outstripping supply for at least the next 2 years, despite new schemes coming online (see below).
There are approximately 72 wastewater treatment works in the Solent Nutrient Neutrality area. None of these works are scheduled for an upgrade over the current upgrade cycle (AMP7), running to 2025. 7 of these works are currently operating at technically achievable limits (TAL) for nitrogen removal.
In order to meet the upgrade requirements that may be brought in under the Levelling Up and Regeneration Bill, referred to as the ‘TAL upgrades’, 16 treatment works will be upgraded to have nitrogen removal technologies by 2030. This means 59 treatment works will remain above the most stringent nitrogen removal requirements. Developments connecting to these treatment works will need more mitigation than those connecting to the 23 treatment works that will be operating at TAL from 2030.
As per our research into water treatment upgrades, we do not believe that it is likely that the water companies will be able to deliver all the upgrades in this cycle.
Restoring ecosystems and creating sustainable habitats
through BNG and nutrient mitigation.
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Find out how biodiversity net gain legislation works under the Environment Act 2021, what it requires, and which developments are exempt.
Find out how nutrient mitigation schemes work for landowners, how nutrient credits are generated, and how to combine nutrient and BNG income.
Find out what nutrient neutrality is, which catchments are affected, and how to secure nutrient credits for planning permission.
