Plastering a room is an essential step in creating a smooth, durable, and visually appealing space. Whether you’re renovating an old house, building a new one, or simply refreshing the walls, plastering not only improves the aesthetics of a room but also provides protection against weather, moisture, and damage. But, like any home improvement project, it comes with its costs. Understanding how much it costs to plaster a room depends on several factors, including the type of plaster, the size of the room, and the complexity of the job. In this guide, we’ll break down the costs involved, compare DIY plastering with hiring a professional, and share tips on how to save money while ensuring a high-quality finish for your home.
How Much Does Plastering a Room Cost?
Plastering a room isn’t just about making walls look good; it’s about ensuring that your home stands the test of time. Whether you’re updating an old house or giving your new build that perfect finish, plastering is a crucial part of the process. It provides a smooth surface for decoration, protects against the elements, and can even boost your home’s insulation.
But how much does it actually cost to plaster a room? Well, that depends on a few key factors, and it’s essential to understand where your money is going before hiring a plasterer. Over the years, I’ve had my fair share of plastering jobs—some straightforward and others a bit more complex. But one thing’s for sure: plastering can be a bit of a financial puzzle. Let’s dive into the details to get a better idea.
Understanding Plastering and Its Importance
I still remember the first time I watched a plasterer at work—transforming a rough wall into something smooth and sleek with a few strokes of his trowel. It’s a skill that’s been around since the ancient Egyptians, and its purpose hasn’t changed much over thousands of years. Plastering involves applying a thin layer of plaster to surfaces like walls, ceilings, or partitions. This can be done with a variety of materials, from the traditional lime plaster to the more modern gypsum-based plasters.
The plaster acts as a protective shield, hiding all the unsightly cracks or rough brickwork underneath. It also makes your walls more durable, safeguarding them against wear and tear over time. For example, in my own home, the plastered walls are a lifesaver during Melbourne’s wild weather. The temperature swings—especially the damp, cold winters—can wreak havoc on your house if it’s not properly sealed.
But plastering does more than just look good. It helps with insulation, too. The right type of plaster can actually help keep the temperature inside your house more stable. And with the cost of heating going up in recent years, this is something that can definitely save you a few dollars in the long run.
Why Plastering Matters?
If you’re sitting on the fence about whether plastering is worth the investment, think about it this way: Imagine living in a house where the walls crack every time the temperature drops or where moisture seeps in every time it rains. Not so inviting, right?
In addition to making your walls look smooth and clean, plastering offers a number of benefits:
- Durability – Plaster strengthens the surface, providing protection against external forces like impact or weather.
- Moisture Resistance – In areas prone to humidity (like bathrooms or kitchens), plastering creates a barrier that helps prevent mould and mildew growth.
- Aesthetic Appeal – Let’s face it, a freshly plastered wall looks so much more polished than a rough one. It also gives a better finish for painting or wallpapering.
- Insulation – Some types of plaster can help to keep your home warmer in winter and cooler in summer, making it more energy-efficient.
But plastering isn’t just about function—it’s about enhancing the feel of your space, too. When we decided to renovate the living room last year, we knew the exposed brick was a bit too harsh. We wanted something softer, more inviting, and plastering the walls gave the room a warmth and modernity that made the whole place feel more cohesive.
Types of Plastering and Materials Used
Not all plaster is created equal. The type you choose depends on your needs, the type of room, and, of course, your budget. Here’s a breakdown of the main plastering techniques and materials commonly used in Australian homes:
Common Plastering Techniques
- Wet Plastering:
This is the traditional method that most older homes have. The plaster is applied directly onto masonry walls in multiple layers. It’s great for creating a smooth, durable finish, but it does take time to dry and can be more prone to cracking. If you’re renovating a heritage home or restoring a classic look, wet plastering is definitely the way to go. - Dry Plastering (Plasterboard):
Dry plastering is quicker, cheaper, and easier to apply than wet plastering. Plasterboard (also known as gyprock) is fixed to the walls using screws or adhesive, and then skimmed with a finishing coat. This is the go-to method for new homes or quick renovations. It’s also a great option for those looking to save money, as the materials are less expensive. - Skim Plastering:
Skimming is the process of applying a thin coat of plaster (usually up to 5mm) over existing plaster or plasterboard to give it a fresh, smooth finish. It’s often used to fix up imperfections or when you just want to refresh the look of your walls without re-plastering them completely. - Rendering:
Rendering is used for exterior plastering and can give your house a modern, clean look. It’s a little more labour-intensive and requires scaffolding for larger areas, making it more expensive than standard interior plastering. However, it provides excellent protection for brick walls and can increase the value of your property by enhancing its curb appeal.
Factors That Affect the Cost of Plastering a Room
Now that we’ve covered the basics of plastering, let’s talk about what really affects the cost. When I had to budget for plastering my living room last year, I quickly learned how many factors could influence the final price.
- Room Size and Complexity
The size of the room is an obvious factor, but complexity also matters. Larger rooms naturally require more materials, but they also take longer to plaster. For example, plastering a high-ceilinged room or one with multiple corners can add to the overall labour cost. In my experience, a simple, square room is the easiest and cheapest to plaster, while a room with alcoves or intricate details can increase costs significantly. - Condition of Existing Walls and Ceilings
If your walls are in poor condition—say they’ve got cracks, old wallpaper, or damp patches—there’s additional work involved in prepping the surface. This could mean filling holes, sanding down rough patches, or even removing old plaster. I once had a job where the walls were covered in wallpaper, and removing it added a solid extra day of work. - Type of Plaster and Finish
The type of plaster you choose will have a direct impact on cost. Gypsum plaster is one of the more affordable options, while more specialised plasters like Venetian or Tadelakt can easily double or triple the price of a basic job. For example, when I added Venetian plaster to a feature wall in my dining room, the price was significantly higher compared to a standard plaster skim, but the result was worth every cent. - Location and Labour Costs
Labour costs can vary widely depending on where you live. In major cities like Sydney or Melbourne, plasterers tend to charge higher rates due to the demand for skilled labour and higher living costs. When I hired a plasterer in Melbourne, the cost was higher than in my rural town of Ballarat, where there’s less competition, and the rates are more reasonable.
