How Much To Plaster A Room?
Plastering is an important step in home improvement. It smooths walls and ceilings, creating a clean, durable surface for painting or decorating. Whether you are renovating an old home or building a new one, plastering adds both strength and beauty. Many factors influence the Cost To Plaster a Room. The type of plaster, room size, and wall condition all play a role. Understanding these factors helps you plan your budget wisely. In this guide, we will explore different types of plaster, pricing details, and money-saving tips. By the end, you will know how much to expect to pay for your plastering project.
What is Plastering? Understanding the Basics
Plastering is the process of applying a smooth or textured coating to walls and ceilings. It helps create a strong, polished finish. There are different types of plaster used for various purposes.
Some of the most common uses include:
- Wall smoothing: Covers cracks and imperfections for a flawless look.
- Ceiling finishing: Provides a clean, professional finish above.
- Decorative moldings: Adds stylish details to walls and ceilings.
- Repairs and restorations: Restores damaged walls to their original condition.
Many people confuse plastering with skimming. Skimming is a thinner layer of plaster applied over an existing surface, while full plastering covers the entire wall or ceiling from scratch.
Types of Plaster and Their Costs
Different types of plaster are used for different applications. The choice affects both the Average Cost To Plaster a Room and the final appearance of your walls.
Type of Plaster | Features | Average Cost per m² | Best For |
Gypsum Plaster | Smooth, quick drying | £10 – £15 | Walls & ceilings |
Cement Plaster | Durable, moisture-resistant | £12 – £20 | Bathrooms, exterior walls |
Lime Plaster | Breathable, eco-friendly | £15 – £25 | Heritage buildings, decorative work |
Venetian Plaster | Luxurious, polished look | £30 – £50 | High-end interiors |
Clay Plaster | Sustainable, natural | £20 – £35 | Eco-friendly homes |
Choosing the right type depends on your needs, budget, and wall conditions.
Key Factors Affecting Plastering Costs
Several elements influence the overall price of plastering. Understanding these can help you plan your project better.
- Room Size and Wall Area: The bigger the area, the higher the cost.
- Wall Condition: Damaged walls need extra preparation, increasing costs.
- Type of Plaster Used: Decorative or high-end finishes cost more.
- Labor Charges: Experienced professionals charge more but deliver better results.
- Location: Urban areas usually have higher costs than rural areas.
- Accessibility: Hard-to-reach walls or ceilings may need scaffolding, adding to the price.
- Finishing and Additional Services: Sanding, priming, and painting add extra expenses.
Cost Breakdown: How Much to Plaster a Room?
Plastering costs vary based on room size and other factors. Here is an estimate of what you might pay:
- Small room (10×10 ft / 3x3m) – £400-£700
- Medium room (12×12 ft / 3.6×3.6m) – £600-£1000
- Large room (20×20 ft / 6x6m) – £1000-£2000
Ceiling plastering typically costs 15-20% more than wall plastering due to additional labor and materials.
Comparing DIY vs. Professional Plastering

Some homeowners consider plastering their walls themselves. However, this decision comes with risks and rewards. there is a complete guide on How To Plaster A Damaged Wall
Factor | DIY Plastering | Professional Plastering |
Cost | Lower (£50-£200 for materials) | Higher (£500-£3000) |
Time | Long (Takes days for beginners) | Short (Few hours to a couple of days) |
Skill Level Required | High (Mistakes are costly) | Expert precision |
Risk | Uneven finish, cracks | Smooth, professional result |
Best For | Small touch-ups | Full room or ceiling jobs |
Hidden Costs to Consider
Some costs may not be included in the initial quote. These hidden expenses can increase your final bill.
- Wall Preparation: Removing old plaster, filling cracks, and priming.
- Plasterboard Installation: Additional charges if new boards are required.
- Finishing and Sanding: Ensures a polished look but adds to labor costs.
- Painting After Plastering: Extra expenses for a complete finish.
- Waste Disposal & Cleanup Fees: Some contractors charge for debris removal.
How to Save Money on Plastering
Plastering does not have to be overly expensive. Here are some ways to cut costs.
- Get multiple quotes to find the best price.
- Schedule work in the off-season when demand is low.
- Combine multiple rooms to negotiate discounts.
- Prepare the walls yourself by removing wallpaper or old plaster.
- Choose standard finishes instead of luxury decorative plaster.
Common Mistakes to Avoid When Hiring a Plasterer
Plastering mistakes can be costly. Avoid these common errors.
- Hiring without checking reviews or credentials.
- Choosing the cheapest quote without considering quality.
- Not getting a written contract detailing all costs.
- Failing to ask about warranties or guarantees.
- Ignoring aftercare instructions, leading to damage.
Frequently Asked Questions (FAQs)
FAQs
Can you paint over plaster?
Yes, but fresh plaster needs to be properly prepared before painting. It should be fully dry (which can take a few days to a few weeks, depending on thickness and conditions). Once dry, apply a mist coat (a diluted emulsion paint) to help the paint adhere before applying full coats.
Can you plaster over wallpaper?
It is not recommended to plaster over wallpaper. The wallpaper can absorb moisture from the plaster, causing it to bubble, peel, or lead to an uneven surface. For the best results, remove the wallpaper before plastering.
Can you plaster over paint?
Yes, but the painted surface needs proper preparation. Glossy or sealed paint should be lightly sanded and cleaned for better adhesion. A bonding agent or PVA (diluted with water) should be applied before plastering to help the new plaster stick.
How long does plastering take to dry?
Plaster typically takes 2-7 days to dry for a thin skim coat and up to 4 weeks for thicker applications. The drying time depends on temperature, humidity, and ventilation. It should be fully dry before painting or decorating.
Conclusion
Plastering is an essential step in home improvement. Costs depend on room size, materials, and labor. While DIY can save money, professional plasterers provide better durability and finish. Proper maintenance ensures your walls stay smooth and attractive for years. If you plan wisely and get multiple quotes, you can complete your plastering project within budget.