Architecture · Sustainability · Planning

Test designs early. Build the wind evidence you need for approval.

Explore design options with wind simulations in under an hour, then move straight to planning submission with full pedestrian comfort and safety reports, ready when you need them.

Book a demo Sample report
ArchiWind comfort-classification map (city model, pedestrian level) ArchiWind comfort-classification map (city model, pedestrian level)

Pedestrian comfort result for the selected design, mapped to the criteria used in review.

Under 1 hour
Get results fast enough to compare options while changes are still easy.
Unlimited iterations
Find the best design early. Test without fear of iteration cost and own the testing process.
Multiple wind criteria
Lawson 2001, Lawson LDDC, Lawson 1978, Lawson Beaufort and NEN 8100 criteria built in.
1,280 comparisons
Validated against the AIJ Case E wind-tunnel benchmark. See the data
Trusted by
Helen & Hard logo Maplan logo Stafr logo Stavanger kommune logo Trondheim kommune logo AROS logo Ghilardi + Hellsten Arkitekter logo

Why ArchiWind

Test wind before your design is fixed.

In most projects the pedestrian wind study arrives after orientation, massing and the public realm are already fixed. By then the findings can only be mitigated with screens, canopies and planting added late rather than designed out. The question is whether you learn about it while you can still act on it.

Design → Test → Decide

One design change. Different wind outcome.

Test a design decision before it becomes expensive to change.

Orientation A — original tower rotation, comfort map at pedestrian level
Option A Standard design

The tower takes the prevailing wind head-on and pushes it down onto the entrance plaza.

Entrance plaza: walking / uncomfortable Not compliant with local standard
Orientation B — tower rotated 25°, same camera and scale
Option B With windbreak features

Windbreaks on the façade break up the downwash before it reaches the plaza. The massing and floor area stay the same.

Entrance plaza: standing / comfortable Compliant with local standard
Planting A — bare plaza, comfort map at pedestrian level
Option A No planting

With nothing to slow it, the prevailing east wind speeds up through the gaps between the buildings and hits the courtyard edges at pedestrian level.

Courtyard edges: strolling / uncomfortable (high winds) Not compliant with local standard
Planting B — three tree groups added, same camera and scale
Option B Three tree groups

Three groups of trees, placed where the wind speeds up, slow the flow at pedestrian level. The buildings stay exactly as they are.

Courtyard edges: Trees acting as natural wind barriers Compliant with local standard

Same site. Same criteria. Different design decision.

Test it while you can still change it.

What ArchiWind does

How ArchiWind changes your workflow

01

Design early

Test orientation, massing, entrances and public realm before they are expensive to change.

02

Iterate faster

Run simulations in under an hour and compare alternatives without commissioning a new study for every question.

03

Produce evidence

Move from early design exploration to detailed assessment and planning documentation in one workflow.

Value

Same project. More control over every decision.

ArchiWind shortens the feedback loop between a design question and a decision, so teams can test more options, stay on their own timeline, and reduce the cost of late changes.

Design & iteration
Without ArchiWind Wind analysis often happens after key design decisions. Testing another option can mean starting another study cycle.
Test earlier. Explore more options.
Run wind analysis while the design is still flexible and compare alternatives before committing.
Time & control
Without ArchiWind Feedback can take weeks and depends on consultant availability, making wind analysis another dependency in the project schedule.
Keep decisions moving on your timeline.
Get feedback when the project needs it and run new tests without waiting for another consultancy cycle.
Cost & risk
Without ArchiWind Every additional study adds time and cost. Problems found later can lead to redesign, mitigation and project delays.
Reduce repeated study costs and late changes.
Iterate within the same workflow and identify problems while they are still easier and less expensive to solve.

More design freedom · Faster decisions · More control · Lower project risk

The workflow

From early design decisions to planning evidence.

Make wind a design input, not a late-stage check. Traditionally, wind assessment happens after massing, entrances and public-realm decisions are already locked in.

01 Early design

Compare design options before committing.

Test conditions while changes are still relatively inexpensive.

  • Orientation and massing alternatives
  • Podium form and entrance placement
  • Canopies, screens and public-realm interventions
02 Detailed assessment

Turn the selected design into planning evidence.

Run the detailed pedestrian comfort and safety assessment for professional and authority review.

  • 16 wind directions to support all criteria
  • Mitigation testing where conditions need improvement
  • Structured documentation with methodology and criteria
See a sample report

How it works

1. Bring your design

Upload your geometry or connect your Revit workflow.

2. Run the assessment

Select the project location, assessment type and applicable comfort criteria.

3. Review and report

Compare comfort and safety results, identify problem areas and generate the project report.

Design-stage render
Compare-stage render
Select-stage render
Assess-stage render
Report-stage render

Guided onboarding and continued support from the NablaFlow Technical Team. Setup takes around five minutes.

Supported criteria built in
Lawson and City of London pedestrian wind criteria; NEN 8100 safety; submissions.
Geometry workflow
OBJ and STL upload, or the Revit plugin. Meshing, boundary conditions and solver setup are automatic.
Automatic report generation
Comfort and safety class maps, wind speed and amplification, turbulence, façade pressure coefficients, PDF report.

Proof

Results you can trust

ArchiWind’s standard workflow was validated against the AIJ Case E wind-tunnel dataset, a recognised benchmark for pedestrian-level wind analysis.

The comparison covered 80 measurement points across 16 wind directions, producing 1,280 direct comparisons between ArchiWind predictions and wind-tunnel measurements.

Explore validation results
Measured vs predicted — AIJ Case E
1.20.90.60.3 0.30.60.91.2 ArchiWind — normalized Wind tunnel — normalized

Each point compares an ArchiWind prediction with the corresponding wind-tunnel measurement. The dashed line represents perfect agreement.

Who it is for

Built for your teams

Architecture practices

Test orientation, massing, entrances and public-realm decisions while they are still changeable.

Sustainability teams

Bring pedestrian wind analysis into the wider environmental design process.

Planning and project teams

Move from design exploration to structured evidence for review.

The offer

Predictable project cost. Iterate freely.

Agreed pricing around the project, test the design as it develops, and avoid paying separately for every simulation. The charge is tied to the final deliverable.

  • Spot wind issues early, with actionable insight to fix them
  • Unlimited iterations under fair usage
  • Predictable cost
  • Reporting ready for official submission
See pricing Talk to us

Guided architecture workflows · No specialist CFD team required · Report-ready outputs · NablaFlow aerodynamic support

FAQs

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