01Sept-Îles, QC · tier 3 market
Low-rise office building cost in Sept-Îles
A two to six storey office shell delivered to base-building standard: core, envelope, elevators and primary mechanical, with tenant space left open. Base building and tenant fit-out are separate budgets and should never be blended into one rate.
This pairing is not indexed: Tier 3 city does not carry tier 1 topics. The builder still works on your own numbers.
02The curated band
Hard cost, standard spec
—
No curated row yet
All-in, preset build
$0/sf
60,000 sf, 4 storey
Hard share of all-in
0%
Rest is soft cost, charges, contingency, escalation
QC escalation
3.5%/yr
Quarter ending 2025-09-30
Buildlor Construction Cost Index · Last updated 2026-01-15 · Maintained by Buildlor Cost Desk
Scope: Sept-Îles, Quebec — Low-rise office building
Inputs: User inputs only
Next scheduled review: 2026-04-15
03Build the stack
Your build
All-in cost — Office (low-rise), Sept-Îles
$33,030,622
$551/sf · band $26,028,984 – $42,033,014
At this specification the office (low-rise) prices at about $551 per square foot all-in, with a 48% spread between the low and high band. Hard cost is 75% of the total and everything above it is soft cost, charges, contingency and escalation.
| Line | Amount | $/sf |
|---|---|---|
| Substructure and foundations | $2,715,149 | $45/sf |
| Structure and frame | $5,430,298 | $91/sf |
| Envelope, roofing and glazing | $4,072,723 | $68/sf |
| Interior partitions and finishes | $3,167,674 | $53/sf |
| Mechanical and plumbing | $3,620,198 | $60/sf |
| Electrical and life safety | $2,488,886 | $41/sf |
| General conditions and fee | $1,131,312 | $19/sf |
| Site work and servicing | $2,036,362 | $34/sf |
| Hard cost subtotal | $24,662,602 | $411/sf |
| Design and consultants | $1,775,707 | $30/sf |
| Permits, approvals and reviews | $443,927 | $7/sf |
| Project management and testing | $887,854 | $15/sf |
| Financing, insurance and legal | $1,331,780 | $22/sf |
| Contingency (10%) | $2,910,187 | $49/sf |
| Escalation to midpoint (12 mo) | $1,018,565 | $17/sf |
| All-in cost | $33,030,622 | $551/sf |
How these figures were produced
- Observed — Recorded directly from the cited source series, unadjusted.
- Modelled — Derived arithmetically from observed inputs using the published method; not a market quote.
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04What moves the number
Cost drivers for this type in Sept-Îles
Glazing ratio
a fully glazed curtain wall can double envelope cost against a punched-window precast facade.
Floor plate efficiency
a small plate spreads core, elevator and stair cost across less rentable area.
Parking
structured or underground parking is a separate cost per stall and often exceeds the building rate per square foot.
Base building versus fit-out
the shell rate assumes no tenant partitions, so price the fit-out separately.
Sept-Îles receives most materials by ship or rail, and the port's industrial employers set the wage floor. That is why the same drawings priced in Sept-Îles and in Toronto do not land at the same number even when the trades are the same.
On the preset build above, hard cost is $0 and everything after it — soft cost, charges, contingency and escalation — adds $0. Budgeting off a hard rate alone is the single most common way an early construction budget goes wrong.
Buildlor facts
- Hard cost for a office (low-rise) in Sept-Îles sits at — per square foot at standard specification.
- Soft cost at 18% of hard adds $0 to the preset build.
- QC construction escalation is running at 3.5% a year, or $0 over twelve months on this build.
05Related
Other types in Sept-Îles
- Warehouse and distribution shellWarehouse · tier 1 topic
- Retail strip and plaza shellRetail strip · tier 1 topic
- Low-rise apartment buildingApartment (low-rise) · tier 1 topic
- High-rise apartment towerApartment (high-rise) · tier 2 topic
- Office tenant improvementOffice fit-out · tier 1 topic
- Retail tenant improvementRetail fit-out · tier 2 topic
- Medical and dental clinic fit-outMedical fit-out · tier 3 topic
06Questions
What does it cost to build a office (low-rise) in Sept-Îles?
On the curated Sept-Îles band, hard cost runs $0 to $0 per square foot for a office (low-rise) at standard specification. Adding site work, soft cost, charges, contingency and twelve months of escalation puts the all-in figure near $0 per square foot on a 60,000 sf preset. Your own area and specification change that number, which is what the builder above is for.
Why does Sept-Îles price where it does?
Sept-Îles receives most materials by ship or rail, and the port's industrial employers set the wage floor. The published Toronto base range is scaled by a documented factor of 1.02 for this market, and the QC escalation series is running at 3.5 percent a year.
Is the development charge in this number?
No. We do not yet hold a charge row for Sept-Îles. Enter the figure from the municipality's schedule in the builder.
What is excluded from every figure here?
Land, financing interest during construction beyond the soft-cost allowance, taxes recoverable as input credits, tenant furniture and equipment, and any remediation or off-site works. Those are separate line items in a real proforma.
07Sources
Sources
- [1] Altus Group Canadian Cost Guide — Published construction cost ranges by building type.
- [2] Statistics Canada Building Construction Price Index, table 18-10-0135-01 — Non-residential building construction, Montreal CMA.
Not advice — Buildlor is a data publisher. We do not bid, price, estimate, or build work, and nothing here is a quote, a tender price, or construction advice. Figures are indicative order-of-magnitude benchmarks for early budgeting and must be confirmed by a qualified cost consultant, quantity surveyor, or general contractor before you rely on them. About Buildlor