What Is Interior Painting? A Guide for Australian Homeowners
Interior painting refreshes a home's appearance and protects surfaces. This guide covers what the process involves, how to plan it, and what to expect from a professional job.
What interior painting covers
Interior painting includes all painted surfaces inside a dwelling: walls, ceilings, trims (architraves, skirting boards), doors, and any specialty finishes such as feature walls. A full repaint typically addresses all these surfaces rather than just walls alone.
Surface preparation — the most important step
Quality interior results depend on preparation. This includes washing surfaces to remove grease and dust, filling holes and cracks, sanding back flaking paint, and applying primer to bare or repaired areas. Skipping prep leads to paint failure and poor adhesion over time.
Choosing the right paint finish for each room
Different rooms have different durability requirements. Flat or low-sheen finishes suit bedrooms and living areas where washability is less critical. Semi-gloss finishes work better for trims and wet areas — bathrooms, laundries, and kitchens — where moisture exposure and regular cleaning demand harder coatings.
How many coats are needed?
Most interior repaint projects use two coats of topcoat over any required primer. A single additional primer coat may be needed on bare plasterboard, after significant repairs, or when painting a light colour over a very dark existing finish.
What affects the cost of interior painting?
Room count and ceiling height are the primary size drivers. Additional factors include the condition of existing surfaces (prep time), the number of colours, and whether trims and ceilings are included. A room with significant cracking or water damage will cost more than a straightforward repaint of well-maintained walls.
Professional vs DIY interior painting
DIY interior painting is feasible for experienced homeowners on simple jobs. Professional painters bring dedicated prep knowledge, correct product selection, and the tools to achieve consistent results across large areas and complex surfaces. For whole-home repaints or situations requiring significant repair work, professional results are typically cost-effective when factoring in time and material waste.
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Answers to common interior painting questions for Australian homeowners.
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