Construction cost guide · TOP
How much does it cost to build a house in Tonga? (2026)
Tonga is a mid-cost construction market, at about 50% of United States build costs. Construction here typically runs about $700–$1,300 per m² ($65–$121 per ft²) for a standard-specification home — so the total depends mostly on floor area and finish level. The ranges below are order-of-magnitude benchmarks; for a figure tied to your actual drawings, generate a full measured bill of quantities priced in TOP using the SMM7 standard.
Typical build cost by house size in Tonga (2026)
| Home | Floor area | Cost per m² | Estimated construction cost (USD) |
|---|---|---|---|
| Small home · 2-bedroom | ~90 m² (969 ft²) | $700–$1300 | $63,000 – $117,000 |
| Standard family home · 3-bedroom | ~150 m² (1,615 ft²) | $700–$1300 | $105,000 – $195,000 |
| Large home · 4-bedroom | ~240 m² (2,583 ft²) | $700–$1300 | $168,000 – $312,000 |
Order-of-magnitude benchmarks at ~$700–$1,300 per m² ($65–$121 per ft²), construction only (excludes land, fees and site-specific works). For a figure tied to your actual drawings, generate a measured BoQ.
Cost to build anything else in Tonga
Get the real number for your build
Benchmarks tell you the ballpark. Upload your plans and get an itemised, priced bill of quantities in TOP, in the SMM7 format Tonga professionals use.
Generate my Tonga BoQBuilding costs in Tonga — frequently asked
How much does it cost to build a house in Tonga?+
As a benchmark, standard-specification construction in Tonga runs about $700–$1,300 per m² ($65–$121 per ft²). A 3-bedroom home of ~150 m² therefore lands roughly between $105,000 and $195,000, excluding land. Your real figure depends on specification, site conditions and current material prices — a measured BoQ from your drawings is the accurate way to know.
What is the cost per square metre to build in Tonga?+
Around $700–$1,300 per m² ($65–$121 per ft²) for a standard finish. Luxury finishes push the top end higher; low-cost builds sit below the bottom. These are all-in construction costs, not including land or professional fees.
How do I get an accurate building cost for my own plans in Tonga?+
Upload your dimensioned floor plans to Enormous Buildings. It measures the quantities and prices them in TOP (T$) using the SMM7 standard that Tonga quantity surveyors and lenders expect — a full bill of quantities in minutes, free to preview.
Does this cost include land, fees and finishes?+
The benchmark covers construction only — materials and labour to build. Land, statutory fees, professional fees and site-specific works are separate. A generated BoQ itemises the construction scope so you can add the rest.