A common calculation to set a feasibility number is applying a “cost per square metre rate” by the building area (typically FECA [Fully Enclosed Covered Area] or GFA [Gross Floor Area]). For example, a standard townhouse development of 1,000 square metres would be multiplied by a rate of $1,600 per square metre resulting in an estimate of
Expect to pay in the area of: R300 to R600 per square metre for concrete paving. Limestone paving may cost R400 to R700 per square metre. From R400 to more than R750 per square metre for quartzite paving, R400 to R700 for brick paving. R450 to R1000 per square metre for granite, travertine, and flagstone paving. Roof replacement cost. Roof replacement costs $5,700 to $16,000 on average, depending on the size, pitch, and material. A new roof costs $300 to $600 per square (100 SF) on average, including materials and installation. Roofing labor costs $150 to $300 per square. Cost to replace a roof. 29 Jun 2017. Clients and contractors involved in the cost comparison and cost planning process in expressing building cost should use the 'cost per square metre rate' with extreme caution, advises The average residential home in Australia has about 400 square metres of exterior wall area. Using that number, the costs of rendering an average house could be: $12,000 - $20,000 for cement rendering. $32,000 for acrylic rendering. $20,000 for lime rendering. $40,000 - $60,000 for insulated rendering. If your house is not the average sizeA 100-square-foot pergola made of redwood can cost anywhere from $4,000 to $5,000. This popular material is insect- and rot-resistant. Trex. A Trex pergola costs from $50 to $60 per square foot on average. Check with a manufacturer for a quote on your project. Pine. Pressure-treated pine is a common pergola choice, running between $25 to $40The average cost to resurface concrete in Australia is between $100 and $150 per square meter. Prep work is required and involves more than merely painting the surface, which costs an average of $30 to $60 per square meter. The most important factors that determine price are based on size, condition of existing concrete and type of finish. GBam.