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Basement & Secondary Suites1 min readMar 21, 2026

Coquitlam Laneway House Guide 2025

Laneway Houses in Coquitlam

The City of Coquitlam permits coach houses (laneway homes) in RS zones with lane access. As housing density policies evolved under BC legislation, Coquitlam has become one of the more welcoming Lower Mainland cities for secondary dwelling development.

Coquitlam Laneway House Rules

  • Permitted in RS-1, RS-2, RS-3 with rear lane access
  • Maximum size: 60 sq m (645 sq ft) main floor
  • Maximum height: 5.8m
  • Setbacks: 1.2m from lane, 1.2m from side lot lines
  • Parking: 1 off-street space

Construction Costs

Size Cost Range
Basic 400 sq ft $180,000–$270,000
Standard 550 sq ft $240,000–$360,000
Premium finishes $320,000–$480,000

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