UK COMPLIANT — AD PART F & L

Sizing that stays compliant.

Instant airflow, pressure, and SFP reports for RIBA Stage 1–2 feasibility and manufacturer enquiry.

Generate compliant calculation →
01

Upload or enter

Upload a floor plan or enter room details. AI detects building type.

02

Review & adjust

Check data, select system type, and confirm room counts.

03

Generate & print

Get your airflow breakdown, SFP, and equipment list in PDF.

OUTPUT PREVIEW: 6-BED STUDENT CLUSTER✓ PASSES AD PART L
TOTAL DUTY
61 l/s
CALC SFP
0.38 W/l/s
INDEX PRESSURE
84 Pa
Methodology: Darcy-Weisbach friction loss & BS EN 16798-3
Regulation: Approved Document F (2021 Edition)

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£14 /calc
  • ✓ 1 Engineering Summary PDF
  • ✓ Full Airflow Breakdown
  • ✓ Equipment Selection Ready
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