CostJA.
Building Β· Calculator

Jamaica House-Building Cost Calculator

Enter your square footage and finish level below for a planning-stage construction estimate. This calculator uses the same per-square-foot ranges as our construction cost guide.

CostJA Planning EstimateLast reviewed September 2026

Preliminary planning range. CostJA is collecting real-world observations to improve this estimate.

Estimated range
J$12,000 – J$28,000
Land included
No
Professional fees included
No

Calculate your estimate

Preliminary CostJA Planning Estimate

This calculator currently provides preliminary planning estimates. CostJA is collecting real-world Jamaican construction observations to improve parish-level and project-level accuracy.

Total estimated project range
J$62,432,000 – J$84,386,000
Mid estimate β‰ˆ J$73.4M
Construction range
J$28,665,000 – J$36,062,000
Per sq ft
J$17,900 – J$22,500
Low
J$62,432,000
Mid
β‰ˆ J$73.4M
High
J$84,386,000
Cost breakdown
Construction (materials + labor)
J$28,665,000 – J$36,062,000
Professional fees
Architect, engineer, surveyor
J$1,433,000 – J$2,885,000
Permits & approvals
J$229,300 – J$721,200
External works allowance
Driveway, drainage, boundary wall
J$1,147,000 – J$3,246,000
Contingency
J$2,293,000 – J$5,409,000
Total estimated rangeJ$62,432,000 – J$84,386,000
This calculator provides a preliminary planning range only. Actual construction costs depend on drawings, site conditions, materials, contractor pricing, location, structural requirements, finishes, approvals, and market conditions.

Related guides

What's included, what's not

Included
  • Materials, labor, and any allowances you choose to include
Excluded
  • Land, and any allowance you toggle off
Assumptions
  • Figures scale linearly with entered square footage
  • Parish and site-condition modifiers apply to the base per-square-foot rate
  • No structural engineering review is performed by the calculator

What affects the price

  • Parish selected
  • Site condition β€” flat, moderate slope, or difficult access
  • Number of bedrooms and bathrooms
  • Finish level β€” basic, standard, premium, or custom
  • Total floor area

Costs people forget

  • Land, closing costs, professional fees, and permits are not included in this calculator
  • External works such as driveways, walls, and landscaping

Frequently asked questions

No. It's a planning-stage estimate using typical per-square-foot ranges. Use it to size your budget before getting formal contractor quotes.

Sources & methodology

Methodology

The calculator applies a base per-square-foot rate for the selected finish level, then adjusts it using a parish modifier, a site-condition modifier (flat, moderate slope, or difficult access), and a small adjustment for bedroom and bathroom count above the baseline. It does not yet account for roof complexity, number of storeys, or a structural engineering review β€” these refinements are planned as real observations are collected.

Source notes

The calculator multiplies your inputs against CostJA's sample per-square-foot and modifier tables. See the calculator's own methodology note for the full model.

Understanding Your Construction Cost Estimates

Planning estimates β€” benchmark validation in progressLast reviewed: September 2026

CostJA provides preliminary construction cost estimates built from available Jamaican construction information and modeling assumptions. We’re progressively strengthening these estimates with sourced industry benchmarks and actual provider pricing as that data becomes available.

These figures are preliminary estimates for planning purposes, not professional quotations or guaranteed prices. Actual costs vary by contractor, location, materials, specifications, and site conditions β€” confirm pricing with licensed professionals before committing to a budget.

See CostJA Methodology β†’