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Radon testing in Guelph, Ontario
143,740 residents. Median household income $85,000.
Population
143,740
Avg Radon
~80 Bq/m³
Above Guideline
~10%
Median Income
$85,000
Why Guelph homeowners test
Guelph's radon averages are notably higher than the GTA core, driven by local limestone bedrock geology and a housing stock that includes many older University-area and Exhibition Park homes with stone or block foundations. Worth testing, especially in older properties.
Our Guelph service
- Testing: $249 (standard) or $399 (real estate)
- Mitigation: $2,800 to $3,800 preliminary estimate 1
- Typical scheduling: within 3-5 business days
- Same-week availability most months
Guelph-specific questions
Is radon a concern in Guelph?
More than in central Toronto. Guelph's average home radon is around 80 Bq/m³, nearly double the GTA core average. About 10% of Guelph homes are estimated to test above the 200 Bq/m³ guideline. Testing is recommended.
Do you service Guelph even though it isn't in the GTA?
Yes. Guelph is about 1 hour 15 minutes from our base, well within our 1.5-hour service radius. Same pricing as GTA jobs, no distance surcharge.