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Great Crested Newt

gcn 630 x 200


Great crested newt surveys



Impact assessment


  • Identification of potential direct and indirect impacts, both at the site level and in a wider perspective: risks of disturbing, injuring or killing great crested newts, habitat modification, loss, fragmentation or isolation, post development interference impacts and poor data situations or ‘last minute discoveries’.
  • Quantification of potential impacts in terms of extent, magnitude, duration, timing, frequency, reversibility and cumulative effects.
  • Strategic advice on project feasibility.




Preparation of license applications to permit otherwise unlawful acts in relation to great crested newts.




  • Precautionary working method statements, tool box talks, ecological clerk of works including destructive searches of terrestrial habitat and water-body draining and infilling, and receptor site selection.
  • Habitat design plans including aquatic features, hibernacula and beneficial planting and landscaping schemes  integration with hard landscapes
  • Capture and exclusion using exclusion and drift fencing, pitfall trapping, netting, bottle trapping, draining down and hand searching ponds and night searching on land.
  • Trapping and translocation of great crested newts
  • Habitat management plans: management of aquatic vegetation in ponds, clearance of tree or scrub cover around  pond margins, desilting and clearance of leaf-fall, mowing, cutting or grazing of grassland, woodland and scrub management.


Case studies


Great crested newt survey at National Trust Tyntesfield