Split level patio gentle slope | Patio

Design decision

Why this idea works

Breaking the patio into terraces follows the land and creates separate dining and lounge zones. The change in level can make a moderate slope feel intentional rather than like a grading problem.

The tradeoff: The fixed features give the patio a clear purpose, but they reduce room for later changes. Resolve finished elevations, step geometry, edge support, and drainage before selecting furniture or panel pattern.
How to measure it: Conceptual range: two terraces of roughly 10 × 14 ft to 16 × 18 ft, plus a generous landing and step run.

On your property

Plan it for your site

Use a consistent finish across both terraces, then let the broad steps create the transition. Joint lines should stop and restart with each terrace instead of trying to draw one decorative grid across changing levels.

Keep risers uniform and treads clear; uneven garden steps are a trip risk.
Direct water away from the house and avoid trapping it at the upper-to-lower transition.
Where an edge retains soil, treat that support and drainage as its own design question.

Before forms are set

Build implications

Confirm before estimating Actual grade survey, door elevation, and how the lower terrace meets the lawn.
Confirm before estimating Step geometry, landings, handrail or code context, and nighttime visibility where applicable.
Confirm before estimating Whether a retaining edge, footing, or drainage detail is required at the grade change.
Measure the site and establish elevations Record boundaries, thresholds, grade changes, utilities, and the dimensions of vehicles, furniture, equipment, or structures that affect the layout.
Test how the space will be used Check walking routes, turning paths, door swings, working clearances, maintenance access, and the route back to the house or street.
Resolve drainage, services, and structural support Decide where water goes and coordinate drains, conduit, irrigation, fuel, electrical work, footings, and independent supports before forms are set.
Define and estimate each concrete element Confirm the slab or footing section, base, joints, edges, and finish, then estimate simple measurable fields separately from steps, walls, drains, and supported features.

Prevent these problems

Crowding the usable areaFurniture can fit in a drawing while still blocking doors, chair movement, serving routes, or the direct path back to the house.
Sending water toward the houseA terrace that appears level can hold runoff at thresholds unless finished elevations and a discharge route are established first.
Treating added features as decorationPergolas, fire features, kitchens, walls, and planters need their own supports, clearances, utilities, drainage, and maintenance access.

Next step

Turn the idea into your estimate

Enter dimensions measured on the property. The conceptual image does not provide a takeoff.

Estimate your patio

Questions this idea raises

Is a split-level patio a good solution for a sloped yard?

It can be a practical direction for a gentle slope because it reduces the need to force one surface across changing grade. The final levels, support, and drainage still need site-specific planning.

Can the calculator estimate both terraces?

Estimate each rectangular terrace separately, then combine the quantities. Steps, retaining edges, and transitions should be measured as separate elements.

Best when: Gently sloped backyard where a single large patio would require an awkward edge height or excessive fill.
Reconsider when: Reconsider the idea if drainage, circulation, and support for added features cannot be resolved on the property.
Verify first: Resolve finished elevations, step geometry, edge support, and drainage before selecting furniture or panel pattern.
Professional input: Concrete contractor; specialist review for supported structures, fire features, or utilities

Sources and further reading

NRMCA CIP 6: Joints in Concrete Slabs on GradeA concise industry reference for planning panel and control joints on a patio slab instead of improvising them.
Building America Solution Center: Slope Patios Away from the HouseDOE-affiliated guidance on setting patio grade so surface water moves away from the house.
NRMCA CIP 11: Curing In-Place ConcretePractical guidance on curing methods and timing for new concrete.

Read the slab planning guide