Barberry Developments Ltd

Wind Microclimate Study to Promote Pedestrian Comfort & Safety within Planning Application


Property development company Barberry Developments Ltd tasked PDSVISION’s (formerly Wilde Analysis) CFD team with assessing and identifying wind microclimate around and within the proposed development of Bishop Gate, one of the largest single-phase purpose-built student schemes in the Midlands, if not the UK. The assessment confirmed that the site was safe, enabling Barberry to not only fulfil the planning requirements, but also to ensure that the final design promotes the comfort and safety of pedestrians within the development.

Barberry Developments Ltd Customer Story
Fig. 1: Bishop Gate – proposed development (Courtesy: Barberry)


Barberry is involved in the development of Bishop Gate, a 2-acre former Royal Mail sorting office site based in the heart of Coventry city centre.

The scheme will involve building five tower blocks rising to 17 storeys, to accommodate more than 1100 Coventry University students.

The development will have multi-use courtyards and gardens, plus a frontage on to two main streets, including retail units open to the public.


In order to meet planning requirements for pedestrian comfort and safety, Barberry asked PDSVISION to carry out an assessment study to identify wind microclimate around and within the proposed development Bishop Gate.


PDSVISION’s CFD consultants carried out the wind assessment using computational fluid dynamics (CFD). Simulations were run using ANSYS CFX, while geometry preparation, based on CAD provided by Barberry, was carried out using ANSYS SpaceClaim DirectModeler.

The assessment considered wind from each of twelve equi-spaced directions. Boundary conditions were determined from site-specific data on the statistical distribution of wind speed and direction.

This enabled a comparison with the Lawson criteria for pedestrian comfort and safety. Contour plots of wind speed at pedestrian level for each of these reference conditions provide a detailed picture of the wind microclimate when the wind is in each of these twelve directions.

Pedestrian comfort and safety were evaluated in and around the proposed mixed-use development site. Contour plots of comfort and safety were produced for both configurations (i.e. with and without the development) allowing a quantitative assessment of the impact of the scheme.

Barberry Developments Ltd Customer Story
Fig 2a: CFD Model – existing conditions
Barberry Developments Ltd Customer Story
Fig. 2b: CFD solution domain geometry (Courtesy: Barberry)

Business Benefit

The site was assessed as safe. The model highlighted a comfort issue in one area of the design and made recommendations for measures to mitigate wind impacts and further improve conditions there.

The wind assessment was necessary for the planning application but it did also influence the design of the scheme. This is a substantial city-centre scheme, comprising five towers, two of which are 50m high. The wind analysis is therefore important, & it will make a difference to people walking around & moving in & out of the building. While the wind report was needed for planning, it was also very important to us to ensure that the design factored in the wind analysis to promote people’s comfort & safety within this development. This is an important factor which is too often slightly overlooked at early stages of planning and design.


Barberry Developments Ltd

Since 1983, Barberry Developments Ltd has established itself as one of the most successful privately-owned property development and investment companies in the West Midlands.

Their current portfolio comprises a range of developments across all property sectors and UK-wide – from industrial, residential and offices to retail and leisure.



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