The Inventory Surge and Absorption Risk
The most significant signal for current owners in Barrhaven is the shift in Months of Inventory (MOI). Townhouse MOI has climbed to 2.8 months, up from 2.0 months in March 2025. While this remains a relatively tight market, the 40% increase in inventory duration suggests that the "easy sell" window is closing. Sellers who wait until the height of the Q2 market may find themselves competing against nearly a thousand active units, diluting their leverage during the crucial transition to a detached purchase in North Grenville.
Current market behavior suggests that buyers are prioritizing the stability of detached assets over the fluctuating townhome segment. While the townhome benchmark price fell 1.1% month-over-month, single-family detached benchmarks rose by 0.8%. This divergence indicates that the "entry-level" luxury of a detached home in a community like Kemptville is seeing renewed demand, while the townhome market is beginning to feel the weight of oversupply.
Regional Price Disparity and the 24% Gap
Using the OREB March 2026 benchmarks, the price delta between a regional townhouse ($554,700) and a single-family detached home ($698,400) is approximately $143,700. For a Barrhaven resident, this gap represents the cost of upgrading to significant land and privacy in North Grenville or Kemptville. However, when considering that CMHC forecasts Ottawa CMA resale prices to reach as high as $740,000 by year-end, the cost of this "step up" is projected to increase.
Executing the migration now avoids the risk of being "priced out" of the detached segment later in the year. The current 18-day median Days on Market (DOM) for detached homes confirms that well-priced inventory in North Grenville is moving faster than the regional townhouse average of 20 days. This 10% speed differential reflects a buyer pool that is decisively moving toward detached assets.
Strategic Risks in the Migration Window
The primary risk for those attempting the Barrhaven-to-Kemptville move is the "sale-before-buy" sequence. With townhouse inventory up 34.1% year-over-year, the risk of a townhouse sitting on the market while the desired detached property in Kemptville sells to a competing offer is high.
Buyers often mistake the 0.7% year-over-year price increase in townhomes as a sign of a runaway market. In reality, the rising MOI indicates that buyers are becoming more selective. A failure to price a townhome at the $562,513 average—or lower to ensure a quick exit—can result in missing the current 2.3% year-over-year discount available on detached benchmarks.
Decision-Making: The Capital Reallocation
For an investor or a growing family, the move is less about "lifestyle" and more about asset reallocation. Townhomes are currently a high-supply asset. Detached homes in North Grenville, Merrickville, and Bishop's Mills remain constrained by land availability and municipal building permit pacing. Moving equity from a high-inventory segment (townhomes) to a lower-inventory, appreciating segment (detached) is a defensive play against potential townhome stagnation in late 2026.
Market data reflects available regional information for the stated period. For verified figures specific to your target area, contact the Driscoll-Peca Team directly.
Check out this article next
