New report · run — Daylighting

1 · Model 2 · Job 3 · Run

CNew report

From your file

Windows, rooms, walls and northread by the engine when the run startsevery one the file declares, listed in the report

Run against

ThresholdsBRE 209 (2022)

Climatethe typical year nearest the sitechosen by the engine from the site's own position

Groundexisting and proposed, both

Grade

Standard · by enquiry

The neighbours' windows are read off the council's planning drawings where they exist, otherwise off a dated photograph of the wall; each carries its source, and you check them before it goes out.

Premium · by enquiry

Adds a measured city model of the surroundings: massing at 15 cm and building heights; window openings can be bought per facade.

A tile is a 500 × 500 m square of the Ordnance Survey gridHow many your site needs depends on how far your building's shadow reaches, which the engine measures from your model in the first minutes of the run. The run stops there and tells you how many tiles it needs. The price depends on that size and is to be determined by enquiry; nothing is charged until you accept a quotation.

Tests

Vertical sky componentevery window

Annual probable sunlight hoursevery window facing within 90° of south

Daylight distributionevery room

Overshadowingevery open space

Job Step 3 of 3

This spends a call, and raises revision 0

The engine reads the model, tests every window and room it found, and returns a folder. Nothing in that folder is edited afterwards — a correction is made against the next generation, never against the one that came back.

AgainstBRE 209 (2022)

GradeStandard

Priceto be determined by enquiryit depends on how many tiles your site needs