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Select a home from the options below ⬇️
Your property qualifies for a detached coach home. Think of it as a second home tucked into the back of your lot. Perfect for aging parents staying independent next door, an adult child getting a foothold on their own place, or steady rental income without touching your main home.
Pick a pre-built model above or draw your own. Either way, Ottawa coach homes typically run $160k-$340k turnkey depending on size and finish.
Best next moves:
- Select a model (Comfrey for a spacious 1-bed, Spadina for a compact studio, or Hintonburg for a cozy 1-bed), or draw your own fit.
- Generate a permit-ready site plan and share it with a contractor for a tight build quote.
- Start earning. Detached 1-bed coach homes in Ottawa typically rent for $1,800-$2,400/mo.
Your lot already supports expanding in the direction that works best. A thoughtful addition (a brighter kitchen, a primary suite, a sunlit family room, or room for an aging parent) reshapes everyday life without the upheaval of moving.
Additions on lots like yours typically land between $80-$180/sq ft depending on finish level, scope, and whether you're adding one storey or two.
Best next moves:
- Use the Permit Plan button above to lock in the wall and footprint you want to extend from.
- Get a realistic budget. Most Ottawa additions hit $120k-$380k end-to-end through design, permit, and build.
- Check the resale math. A well-scoped addition typically returns $1.50-$2.00 of home value for every dollar spent.
A full rebuild lets you reset your home to exactly how you want to live now. Design every room around your family's real routines (the kitchen, the light, the flow), and pick an Ottawa builder who can phase demo, build, and move-in around your schedule.
Your lot supports a custom home up to your permitted envelope, so the question is what you'd design on it. Ottawa custom homes typically run $350-$550/sq ft from demo through turnkey finishes.
Best next moves:
- Compare the templates above (Tiny Home, Narrow Rowhouse, Semi-Detached, Standard Two-Storey, Split-Level) to find the footprint that fits your life.
- Place your chosen template on the map to see how it sits inside your buildable envelope and where the yard lands.
- Book a builder meeting to lock in scope, phasing, and a realistic move-in timeline before design fees start.
Your buildable envelope
The shaded area on the diagram is exactly where you can build, auto-calculated from your zoning, lot lines, and setbacks. Tap a project below to plan inside it.
- Max Height
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- Lot Coverage
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- Max Units
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- Total Buildable Area
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- Total Floor Area
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Max height
The tallest building zoning allows on this lot. The story count assumes standard 10-12 ft per storey; your final design may use fewer or shorter stories.
Coverage headroom
How much footprint room remains under zoning's coverage cap (or density rules where they apply). Strong = lots of room to build; tight or over limit means coverage is the bottleneck.
Max units / Early yield estimate
When zoning publishes a hard cap (N1, N2, N3, RD/RS, etc.) this is the legal ceiling. For zones with no fixed cap (MS, CM, H, NMU, RT, RM, RA…) it's an envelope-derived estimate (buildable footprint × storeys × tier efficiency ÷ minimum legal unit size), and the label switches to "Early yield estimate". Hover the cell for the assumptions.
Total buildable area
The maximum footprint area you can place on the lot after setbacks and coverage limits are applied. Each project tile below is sized to fit inside this.
Total floor area
Theoretical gross floor area = footprint × storeys, capped by FSI / density where applicable. Mid-rise / high-rise zones show a range because storey count is design-dependent (a 4 m ground floor and larger floor-to-floor spacings trim one storey off the optimistic count). Real GFA is further reduced by circulation, mechanical, fire access, amenity space, and upper-storey stepbacks.
See What Fits
What you can build, on your lot
Each tile is a project that's been pre-qualified against your address's actual parcel: lot dimensions, zoning, setbacks, lot-coverage cap, and the buildable envelope. Tap one to see how it fits, and the tab below shows real footprint sizes + 3D placements computed from your lot, not a generic template.
Quick Deal Snapshot
Base Ottawa preset active.
| Metric | Formula | Output |
|---|---|---|
| Effective Gross Income (Annual) | Gross rent × (1 − vacancy) | $0 |
| Operating Expenses (Annual) | Mgmt + repairs + taxes + insurance + utilities + admin | $0 |
| Stabilized NOI (Annual) | EGI − operating expenses | $0 |
| Debt Service (Annual) | Amortized payment on approved takeout mortgage | $0 |
| DSCR | NOI / debt service | 0.00x |
| Lender Min DSCR | Minimum coverage required for takeout approval | 1.20x |
| Break-even Occupancy | Occupancy needed to cover opex + debt | 0% |
| Income Value | NOI / cap rate | $0 |
| Scenario Baseline Value | Conversion scenario baseline assumption | $0 |
| Post-Build Value Method | Conservative blend | $0 |
| Model Checks | Built-in regression checks | Pending |
| Address Stability Matrix | Small, constrained, medium, permissive archetypes | Pending |
| Sources & Uses | Amount | Notes |
|---|---|---|
| Land Acquisition | $0 | Purchase price + LTT + legal ($5K) |
| Total Uses | $0 | Hard + soft + contingency + fees + carry + lease-up + permits/design |
| Existing Mortgage Payoff | $0 | Debt retired from approved takeout proceeds |
| Starting Capital | $0 | Cash/equity you can put into the project |
| Requested Mortgage | $0 | Target mortgage amount you want to carry |
| Approved Mortgage | $0 | Capped by requested amount, LTV, and DSCR constraints |
| Mortgage Request Gap | $0 | Amount requested above modeled approval |
| Net Mortgage Proceeds Available | $0 | Approved mortgage minus existing mortgage payoff |
| Total Funding Available | $0 | Starting capital plus net mortgage proceeds |
| Cash Required | $0 | Additional cash needed after starting capital + mortgage proceeds |
| Funding Surplus | $0 | Extra capital left after fully funding total uses |
| Profit (Value − Cost) | $0 | Post-build value minus total uses |
| Development Margin | 0% | Profit / post-build value |
| Yield on Cost | 0% | NOI / total uses |
| Capital Status | — | Project fully funded vs funding gap |
| Loan Feasibility | — | Constraint driver pending |
Sensitivity Grid (Rent × Build Cost)
| Build \\ Rent | Low Rent | Base Rent | High Rent |
|---|---|---|---|
| Low Cost | — | — | — |
| Base Cost | — | — | — |
| High Cost | — | — | — |
- $200k in increased equity on your property.
- A multifamily income-generating asset.
- Potentially "free" conversion carry if 2 units cover the extra mortgage payment.
- Potential path with low upfront cash if lender terms support the draw structure.
- Flexible use: family housing, rental income, or both.
Calculator output is driven by your lot geometry and assumptions; confirm rents, costs, lender terms, and valuation with your broker, appraiser, and GC before committing capital.