Johnstone Homes
Ontario new home builder based in London. In Ontario's new home warranty program since 1988.
Ranked 96 of 591 scored Ontario builders.
Warranty record per 1,000 homes
Rates make big and small builders comparable. Lower is better.
A chargeable conciliation means Tarion found the builder should have resolved a warranty item itself. A paid claim means Tarion compensated the owner for a warranted item. See what the warranty covers.
How this score was built
| Part | Weight | Points out of 10 |
|---|---|---|
| Warranty disputes (chargeable conciliations per 1,000 homes) | 45% | 8.9 |
| Warranty claims paid per 1,000 homes (major structural claims count five times) | 40% | 9.8 |
| Track record (years in the warranty program and homes built) | 15% | 8.1 |
Builders with fewer homes are adjusted toward the Ontario norm until their own record is large enough to rely on. Full method.
Reviews come from buyers and owners and don't change the score above, which uses HCRA data only.
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Companies under this name
| Company | HCRA account | Licence status | Since | Homes | Conciliations | Claims |
|---|---|---|---|---|---|---|
| Johnstone Homes M.T. Johnstone Construction Ltd. | B15286 | Licensed | 1988 | 303 | 0 | 0 |
Contact and verification
Website: www.johnstonehomes.ca
Phone: 519-601-9390
Confirm this builder's current licence on the HCRA Ontario Builder Directory by searching its name or HCRA account number. Figures here were retrieved September 30, 2026.
Before you sign with Johnstone Homes
- Ontario HST rebate on new homes: up to $130,000
- Who gets the rebate when the price includes HST
- How much of your deposit is protected
- What the builder owes you if closing is delayed
Are you Johnstone Homes? Request a correction or add a response.
Other builders based in London
| Rank | Builder | Score | Homes |
|---|---|---|---|
| 5 | Tricar | 9.8 | 3,066 |
| 229 | The Ironstone Building Company Inc. | 8.7 | 1,353 |
| 32 | Rembrandt Homes | 9.4 | 844 |
| 451 | FoxWood Building Corporation | 5.8 | 519 |
| 469 | Forever Homes | 5.6 | 433 |
| 556 | Millstone Homes Inc. | 2.4 | 418 |
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