New Brunswick · Q3 2026
Basement renovation cost in All of New Brunswick
Framing, insulation, egress, and moisture control. The figures below are modelled for New Brunswick using our 0.89× regional cost multiplier, on a detached home built 1960-1989 at a mid-range finish.
Typical planning budget
$43,550 to $70,350
Typical $52,500 · includes 22% contingency
Before contingency
Why All of New Brunswick differs
All of New Brunswick prices about 11% below Ottawa, which is the baseline our regional model is anchored to.
- Regional multiplier
- 0.89×
- Versus Ottawa
- -11%
- Province
- New Brunswick
- Sales tax on services
- HST (15%)
Regional multipliers are anchored to Ottawa at 1.00 and scaled using Statistics Canada's Residential Renovation Price Index and Building Construction Price Index movements by census metropolitan area, then cross-checked against published contractor rate ranges. They are planning-level adjustments, not surveyed local quotes.
Areas this covers
New Brunswick is modelled as a single labour market, so these municipalities share the same cost multiplier:
- Moncton
- Saint John
- Fredericton
- Dieppe
Somewhere else in New Brunswick? Compare every New Brunswick region.
Cost by finish level in All of New Brunswick
Finish level moves the number more than almost anything else you control. All three rows use the same All of New Brunswick multiplier and the same scope.
| Finish | Low | Typical | High |
|---|---|---|---|
| BudgetStock materials, simple details, value fixtures | $31,700 | $38,250 | $51,300 |
| Mid-rangeCommon homeowner choice: durable materials, better fixtures | $43,550 | $52,500 | $70,350 |
| PremiumHigh-end materials, custom detailing, designer fixtures | $63,300 | $76,350 | $102,150 |
Cost by size in All of New Brunswick
Typical all-in planning budgets at three representative sizes, mid-range finish.
| Size | Low | Typical | High |
|---|---|---|---|
| 500 sq ft | $34,600 | $41,800 | $55,950 |
| 800 sq ft | $43,550 | $52,500 | $70,350 |
| 1,200 sq ft | $55,500 | $66,700 | $89,450 |
Where the money goes
The $52,500 typical figure for All of New Brunswick, broken into the lines a contractor quote should also separate.
| Category | Low | Typical | High |
|---|---|---|---|
| Materials | $15,600 | $18,800 | $25,200 |
| Labour | $15,700 | $18,900 | $25,300 |
| Demolition and disposal | $2,050 | $2,500 | $3,350 |
| Permit and design allowance | $2,350 | $2,850 | $3,800 |
| Subtotal | $35,700 | $43,050 | $57,650 |
| Contingency (22%) | $7,850 | $9,450 | $12,700 |
| Total planning budget | $43,550 | $52,500 | $70,350 |
Permits in New Brunswick
Building permits are issued by your municipality or regional service commission.
Commonly triggered by this project
- Basement development. Finishing a basement commonly requires a permit for framing, insulation, fire separation, and egress.
- New bathroom. Adding a bathroom involves new plumbing and ventilation, which typically requires a permit and inspections.
- New electrical circuits. Electrical work in Ontario is governed by the Electrical Safety Authority (ESA). A notification, permit, or licensed electrician is normally required.
- New or relocated plumbing. Your project includes plumbing changes. Contact your municipal building department to confirm permit and inspection requirements.
Hiring in New Brunswick
New Brunswick does not license renovation contractors. Verify business registration, WorkSafeNB coverage, and liability insurance yourself.
Trades that must be certified
- Electrical and plumbing: Electrical and plumbing work requires a certified journeyperson and a permit.
Costs people forget on this project
Included as allowances above. Check any quote covers them too.
- Egress window and window well for bedrooms
- Concrete cutting for new drains
- Interior or exterior drainage remediation
- HVAC duct extensions and return air
- Permit, drawings, and inspection fees
- Moisture, insulation, and fire separation requirements
Typical schedule: 6 to 12 weeks on site, plus permit review time.
Questions homeowners ask
- Do I need a permit to finish a basement?
- Basement development normally requires a building permit covering framing, insulation, fire separation, egress, plumbing, and electrical. Contact your municipal building department early since review time affects your schedule.
- Why is 20 percent contingency recommended for basements?
- Basements hide the most unknowns: moisture, drainage, floor levels, ceiling heights, and existing service locations. Extra contingency covers what you cannot see during planning.