How much does it cost to plaster a room?

Plastering your home can dramatically improve the aesthetics and functionality of your walls, whether you’re upgrading an old home or finishing a new extension. In this detailed guide, we delve into the various costs associated with plastering a room, offering insights into different plastering methods and the factors that influence overall costs.

Why Invest in Professional Plastering?

Plastering not only enhances the visual appeal of a space but also improves its functionality by providing a durable base for painting, a cleanable surface, better insulation, and concealing imperfections in brickwork. It is also an excellent opportunity to add decorative mouldings and elevate the interior design of any building.

Cost Considerations for Plastering a Room

The cost of plastering varies depending on the project’s scale and specifics. You can utilize the linked plastering cost calculator to estimate expenses accurately, which includes material costs, labour, and overheads.

* The above calculator includes:

  • Cost of materials inc wastage
  • Cost of labour
  • Cost of overheads and profit

Review of Plastering Techniques

Plastering techniques vary, each offering distinct advantages and suited to specific requirements:

  • Wet Plastering: Offers durability and soundproofing but requires longer to dry and may crack if not applied correctly.
  • Dry Plastering: Involves fixing plasterboard before applying a plaster skim, providing a faster solution with potential for added insulation.
  • Skim Plastering: Ideal for preparing walls for painting by applying a thin, smooth top coat.
  • Rendering: Applies to exterior walls to provide a smooth, protective finish through multiple plaster layers.

Factors Influencing Plastering Expenses

Cost drivers for plastering include:

  • Plastering Method: Each method has different labour and material demands.
  • Room Size: Larger spaces incur higher costs due to more materials and labour.
  • Accessibility: Difficult-to-access areas can increase project duration and costs.
  • Project Duration: Extended timeframes lead to higher labour costs.
  • Desired Outcomes: High-quality finishes and additional decorative features will increase the budget.

Key Insights for Effective Plastering

Professional plastering is advisable for its ability to repair, smooth, and insulate effectively. While DIY is possible, the complexity and potential mess suggest that professional involvement is preferable for most projects.


Understanding the various plastering methods and the factors affecting their costs can help professionals plan and budget effectively. Consultation with experts is recommended to ensure quality results.

For detailed budgeting and updated cost estimations, use our handy cost calculators available here.

Or how about using our builders’ estimating service for a full project cost breakdown.

FAQs About Plastering Costs

  1. What is the most cost-effective plastering method? Depending on the project specifics, dry plastering often offers a balance of cost and efficiency.
  2. Can costs be reduced by targeting only damaged wall sections? Yes, focusing on specific areas can lower overall expenses.
  3. How long does it typically take to plaster a room? The timeframe depends on the room size and plastering technique but generally ranges from a few hours to a couple of days.
  4. Are there hidden costs in plastering projects? Potential additional costs include preparation work and post-plastering finishes.
  5. Is it economical to hire a professional for minor plastering jobs? For high-quality and durable results, professional services are recommended, even for small tasks.
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