Introduction
- Project description
- Re-roofing and conversion project for old barn. Due to the presence of several bat species using the internal timber joists, a proportion these were retained and protected as part of a new bat loft.
- Ecologist’s name and contact details
- RSK Carter
- Planning authority
- Canterbury city council
- Brief site description
- Old timber / brick barn on estate land with grazing, arable habitats close to river.
Pre-works roost structure
- Type of structure
- Building
- Use
- Agricultural Building
- Condition
- Not In Use
- Approx. age
- Hundreds
- Main construction material of walls
- Brick
- Roof design
- Pitched Roof
- Roof material
- Clay Tiled
- Internal roof structure
- Timber Frame
Pre-works roost description
- Species
- Natterer’s bat
- Number of bats max count
- Unknown
- Type of roost
- Maternity Roost
- Evidence of bats
- Bats Recorded Emerging/Re-entering
- Roost location
- Roof Timbers
- Aspect of roost
- Other
- Height of roost entrance (m)
- Unknown
- Roost material(s)
-
- timberRoofFrame
- Nearest commuting feature
- Hedge
- Distance to nearest commuting feature (m)
- Not reported
Proposed works
- Description of works
- Re-roofing and conversion project for old barn. Only half of the barn was converted to a dwelling. The remainder was left untouched for storage and the loft area left accessible to bats and open to the rest of barn. Some bat boxes were also added, as well as an additional funnel type exit over the house door.
- Type of impact upon the roost
- Long-Term Roost Modification and Roost Loss
Proposed mitigations
- Type of mitigation
- Mitigation
- Specific technical detail of measure
- Only half of the barn was converted to a dwelling. The remainder was left untouched for storage and the loft area left accessible to bats and open to the rest of barn. Some bat boxes were also added, as well as an additional funnel type exit over the house door.
- Roost location
- In Roof Void
- Aspect of roost
- N
- Height of roost entrance (m)
- Not reported
- Roost material(s)
-
- Timber Roof Frame
- Nearest commuting feature
- Hedge
- Distance to nearest commuting feature (m)
- Not reported
Actual mitigations implemented
- Type of mitigation
- Mitigation
- Specific technical detail of measure
- Only half of the barn was converted to a dwelling. The remainder was left untouched for storage and the loft area left accessible to bats and open to the rest of barn. Some bat boxes were also added, as well as an additional funnel type exit over the house door.
- Roost location
- In Roof Void
- Aspect of roost
- N
- Height of roost entrance (m)
- Not reported
- Roost material(s)
-
- Timber Roof Frame
- Nearest commuting feature
- Hedge
- Distance to nearest commuting feature (m)
- Not reported
Monitoring data
- Length of monitoring proposed
- Checked by bat group 2003 - 2006, using bat detectors and recordings
- Frequency of monitoring
- Every summer
- Type of monitoring
- Dusk and Dawn Survey
- Date and time
- 1st July 2002
- Evidence recorded
- Not reported
- Interventions made
- None reported
