When planning for a plastering project, it’s essential to understand the factors influencing the cost of plastering services. Whether you’re renovating your home or constructing a new one, knowing what to expect can help you budget and avoid unexpected surprises. 

This article provides a detailed explanation of the average costs of plastering and the key elements that can impact the pricing. For a useful reference, consider the following insights on plastering costs.

Average Cost Of Plastering

The average cost of plastering varies widely based on factors such as the type of plastering, the size of the area, and the location of your property. However, understanding the typical price ranges can help you make informed decisions about your plastering needs.

1. Skimming Costs

Skimming is the most cost-effective plastering option. It involves applying a thin layer of plaster over existing walls or ceilings to provide a smooth finish.

• Basic Skimming: $10 – $20 per square metre
• High-Quality Skimming: $20 – $40 per square metre

Skimming is ideal for improving the surface of old or damaged plaster without needing to completely remove or replace the existing surface.

2. Rendering Costs

Rendering is generally used for external surfaces and provides a protective and aesthetic finish. It’s more complex and involves a thicker coat of plaster compared to skimming.

• Standard Rendering: $30 – $50 per square metre
• High-End Rendering: $50 – $80 per square metre

The cost of rendering is usually higher due to the materials used and the expertise required to achieve a smooth, long-lasting finish on external walls.

3. Lime Plastering Costs

Lime plastering is often used in heritage buildings or properties that require a specific type of finish to match the original construction style.

• Basic Lime Plastering: $40 – $60 per square metre
• Specialised Lime Plastering: $60 – $90 per square metre

Lime plastering requires more skill and can be more expensive, particularly when matched to older homes or specific architectural requirements.

4. Gypsum Plastering Costs

Gypsum plastering is commonly used for interiors and offers a smooth, durable finish.

• Basic Gypsum Plastering: $15 – $30 per square metre
• High-Quality Gypsum Plastering: $30 – $50 per square metre

Gypsum plastering is a popular choice due to its affordability and ease of application, especially in modern homes.

Factors Affecting The Cost Of Plastering

Several factors can influence the final price of plastering services. Below are the primary elements that impact how much you can expect to pay.

1. Size Of The Area To Be Plastered

The overall cost of plastering is directly related to the size of the area being covered. Larger rooms or entire homes will require more materials and labour, driving up the total cost.

• Smaller Areas (e.g., a room): Typically, plastering small areas like a single room can cost anywhere from $300 to $1,500, depending on the type of plastering.
• Larger Areas (e.g., entire house): Plastering an entire house or larger spaces can cost upwards of $3,000 to $5,000 or more.

2. Type Of Plastering

Different types of plastering services have different price ranges. As noted earlier, basic skimming tends to be cheaper than rendering or lime plastering, which requires more time and specialised materials.

• Skimming is the least expensive option, with costs typically ranging from $10 to $20 per square metre.
• Rendering and lime plastering are more expensive due to the complexity of the materials and techniques used.

3. Surface Condition

The condition of the surface that needs plastering can impact the overall cost. If the surface is damaged, cracked, or uneven, additional preparation work may be required, increasing the price.

• Minimal Preparation: If the surface is clean and smooth, minimal preparation is needed, resulting in lower costs.
• Extensive Preparation: If the walls or ceilings are in poor condition, they may need repair or cleaning before plastering can commence. This can add $10 to $20 per square metre to the final price.

4. Labour Costs

Labour costs depend on the location, the expertise of the plasterer, and the complexity of the job. Skilled professionals with experience in a specific type of plastering will often charge a higher rate.

• Average Labour Costs: Plastering labour can range from $30 to $50 per hour, depending on the plasterer’s experience and location.
• Location Impact: In larger cities like Sydney or Melbourne, labour costs can be higher due to demand, while in smaller towns or rural areas, the cost may be slightly lower.

5. Material Costs

The type of plaster used also plays a significant role in determining the overall price of plastering. For instance, high-quality materials such as lime plaster or special renders can add to the total cost.

• Gypsum Plaster: Generally less expensive, costing about $5 to $10 per square metre for material.
• Lime Plaster: More expensive, ranging from $15 to $30 per square metre.
• Render: Material can cost anywhere from $10 to $20 per square metre, with higher-end rendering increasing the price.

6. Project Complexity

The complexity of the plastering job also influences the cost. Simple, flat walls are much easier and quicker to plaster than intricate designs or walls with multiple angles, recesses, or curves.

• Simple Jobs: A straightforward job on flat walls or ceilings tends to be cheaper, as it requires less skill and time.
• Complex Jobs: More intricate or detailed plastering, such as ornate finishes or textured surfaces, requires more effort and skill, leading to higher costs.

7. Scaffolding Or Special Equipment

If the plastering job involves high ceilings or external walls of a multi-storey building, scaffolding may be required. The use of scaffolding adds additional costs to the project.

• Basic Scaffolding: Typically adds an extra $300 to $800 to the overall cost of the job.
• Elevated Areas: For very high ceilings or multi-storey buildings, scaffolding and equipment may add even more to the price.

8. Finish And Decorative Features

Some homeowners choose to apply decorative finishes or textures to their plastered walls, which can increase the cost.

• Basic Finish: A standard, smooth finish is usually included in the base price of plastering.
• Textured or Decorative Finishes: These can increase the cost by $10 to $20 per square metre, depending on the complexity of the design.

How To Save On Plastering Costs

While plastering can be a significant expense, there are ways to reduce costs without sacrificing quality. Here are a few tips to help you save money:

1. Get Multiple Quotes

Always obtain at least three quotes from different plasterers to compare prices. This will give you a better idea of the average cost for your specific project and help you find the best deal.

2. Do Some Preparation Work Yourself

If you’re willing to put in some extra effort, you can reduce costs by handling some of the preparatory work. Tasks such as cleaning the walls, removing old plaster, or clearing the area for plastering can be done yourself to lower the labour costs.

3. Choose A Cost-Effective Plastering Option

If you’re on a tight budget, opt for a less expensive plastering option like skimming or gypsum plastering. These methods can still provide a smooth, attractive finish at a fraction of the cost of more specialised plastering techniques.

4. Limit Decorative Features

While decorative finishes and textures can enhance the look of your plastered walls, they can also add significantly to the overall cost. If you’re looking to save, stick to a basic plastering finish without additional features.

5. Consider The Timing Of Your Project

Labour costs can fluctuate depending on the season. If possible, schedule your plastering work during the off-peak season when plasterers may be less busy and potentially offer better rates.

Conclusion

Understanding the cost of plastering is essential for homeowners looking to improve or renovate their properties. On average, plastering costs can range from $10 to $50 per square metre, depending on the type of plastering and the condition of the surface. 

The main factors influencing the price include the size of the area, the complexity of the job, the type of plaster, and labour costs. By getting multiple quotes and doing some of the prep work yourself, you can keep your plastering project within budget while ensuring high-quality results.

Frequently Asked Questions

What Is The Average Cost Of Plastering A Room?

The average cost of plastering a room typically ranges from $300 to $1,500, depending on the size of the room and the plastering type. Larger rooms or more complex plastering techniques will increase the cost.

How Long Does It Take To Plaster A Room?

Plastering a room typically takes one to three days, depending on the room’s size and the complexity of the job. Smaller rooms may take less time, while larger or more detailed projects may take longer.

Can I Plaster Over Existing Paint?

Yes, you can plaster over existing paint, but the surface must be properly prepared first. This involves cleaning the walls and removing any loose paint to ensure the plaster adheres properly.