Secured by Design - Interactive Toolkit

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The standards selection is dictated by property type, i.e. A PAS 24/STS 204 window may be appropriate for a low risk/low crime area, whereas A STS 202/LPS 1175 window may be appropriate for a high risk or very high crime area.

Windows in all commercial developments require one pane of laminated glass to be fitted that meets the requirements of BS EN 356:2000 class P2A. Occasionally in low risk/low crime areas, class P1A may be appropriate and in higher risk/very high crime areas class P3A or P4A may be specified.

The security of windows certificated to PAS 24 or STS 202 may be significantly improved through the use of secondary glazing systems certificated to LPS 1175
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SDB Design Example 1
SDB Design Example 2

Across the development all installed windows that are either ground floor or easily accessible are certificated to one of the following relevant security standards: • PAS 24 • STS 202 • STS 204 • LPS 1175 Additional security may be gained by installing roller shutter or internal grilles certificated to STS 202 or LPS 1175.

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