JBA secures contract to deliver EIA for the Council of the Isles of Scilly

Sea Defence and Dune Management Plan EIA for Sea Defence Works

We have been appointed to deliver a statutory Environmental Impact Assessment (EIA) for Sea Defence Works on behalf of the Council of the Isles of Scilly.  The EIA will support consent applications for Sea Defence Works at four sites on St Mary’s and Tresco.

The islands of St Mary’s and Tresco receive a large number of visiting tourists, particularly during summer months.  As a result there is significant pressure on water resources, with much of the islands’ water supply sourced from a few key borehole sites.  In addition to this there is increasing pressure on protecting the islands’ groundwater resources associated with predicted climate change impacts of increased sea level rise and storminess.  The proposals would therefore provide new sea defences to protect material assets the four sites.

A number of environmental designations affect the proposal sites, including internationally designated wildlife and geological sites (Isles of Scilly SAC & Ramsar, Porthloo SSSI, Higher Moors & Porth Hellick SSSI, Samson SSSI), nationally designated landscapes (Isles of Scilly AONB, Heritage Coast) and archaeological sites (Scheduled Monuments).  EIA and preparation of an Environmental Statement are therefore required to support a Marine Licence and Planning Application for the Sea Defence Works.

We have been commissioned to undertake:

  • EIA Coordination and preparation of an Environmental Statement.
  • Bespoke coastal processes, flood risk, climate change resilience & adaptation assessment.
  • Ecological impact assessment (EcIA) in accordance with CIEEM marine EcIA guidelines.
  • Landscape & visual impact assessment, including photomontages, in accordance with the Landscape Institute GLVIA3.
  • Heritage desk based assessment in accordance with Institute for Archaeologists guidelines.
  • Construction impacts, sustainability & greenhouse gases assessment in accordance with IEMA guidelines.
  • Bespoke material assets, geodiversity, cumulative & interrelationship effect assessment.

Proportionate EIA

Feedback from the Council of the Isles of Scilly indicates they are particularly pleased with our proposed approach to proportionate EIA.  We have standardised and simplified environmental planning requirements of coastal defence for the benefit of all stakeholders involved.  We recognise that to deliver effective EIA the Environmental Statement must be focused on assessing the Likely Significant Effects of a proposed development, not overwhelmed by a large amount of disproportionate or irrelevant environmental information.

Want to know more?

Email Mark Cope for more information on coastal EIA or find out more on our EIA web pages.


This study is part of a project that is receiving funding from the England European Regional Development Fund (ERDF) as part of the European Structural and Investment Funds Growth Programme 2014-2020.  The Department for Communities and Local Government is the Managing Authority for ERDF. Established by the European Union ERDF funds help local areas stimulate their economic development by investing in projects which will support innovation, businesses, create jobs and local community regenerations.  For more information visit https://www.gov.uk/european-growth-funding

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