Hell Pit Access and Exclusion in North Vancouver
older Lower Lonsdale commercial and pre-1960s Canyon Heights

Yes. Some 1940s Lower Lonsdale commercial buildings have original sub-floor access areas from pre-standard construction infrastructure.

Yes — Pre-war Canyon Heights homes from the 1930s and early 1940s occasionally have original sub-floor access from the pre-crawl-space construction era. Knowing the condition before building over it is cost-effective.

Yes — Capilano River corridor rat pressure is very active. When standard inspection doesn't account for all documented activity, a sub-floor access void provides an alternative staging area worth checking.

Metal-framed access hatch with rodent-grade mesh at any sub-floor to exterior connection.

No. Post-1950s construction throughout North Vancouver does not carry this type.

North Vancouver's above-average rainfall means any below-grade void carries elevated moisture. Moisture readings are particularly important during assessment.

Yes. Renovation is the ideal time.

Rare. Only the oldest Lower Lonsdale commercial and pre-war Canyon Heights residential stock may have sub-floor access voids.