The Deck Professor

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When a deck counts as lot coverage

Raise and lower the deck, and find where it starts counting against your lot
GroundShadowLot coverageHouse wallDoorLot coverage lineConcrete pier, to below the frost linePostBeamKnee braceDeckGuardLot coverage lineDeck heightDeck 7 ftLot coverage lineStreetStreetLotFront yardBack yardHouse wallHouseDeckLot coverageDeck: counted1.8 m (5 ft 10 13/16 in) or higher: counts as lot coverageHatched: covered area
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A tall deck added to a tight lot without checking its coverage.

Every number here is a working estimate. Check it with your building authority.Turn JavaScript on to work the lesson. The drawing shows how it starts.

The rule this lesson teaches

At 1.8 m (5 ft 10 13/16 in) or higher a deck counts toward the share of the lot covered by buildings.

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