At a Glance
Plasterboard installation in Perth costs $750–$7,600 per job. Perth's housing stock is predominantly modern timber or steel-framed construction with standard 2.4m ceiling heights, making most plasterboard work straightforward to quote and execute.
What's Included in the Price
- Supply of plasterboard sheets to AS/NZS 2588 standard
- Fixing to existing framing (timber or steel studs)
- Jointing, taping, setting, and sanding per AS/NZS 2589
- Internal and external angle finishing
- Cornice installation if included
Framing, insulation, electrical and plumbing rough-in, and painting are typically separate scopes. Perth plasterers generally quote for board supply, fix, and finish, with framing and other trades coordinated separately.
What Affects the Cost
- Total area. Larger jobs bring the per-square-metre rate down. A full renovation (multiple rooms, walls and ceilings) is more cost-effective per square metre than a single partition wall.
- Ceiling lining. Ceiling work costs 30–50% more than walls. Most Perth ceiling lining is straightforward at 2.4m, but raked or cathedral ceilings in modern designs increase difficulty.
- Insulation-backed board. Perth's hot summers, particularly on western-facing walls, have driven demand for plasterboard with integrated insulation backing. This costs more per sheet but combines two steps into one.
- Board type. Standard 10mm or 13mm is the baseline. Fire-rated board is required for walls between a garage and living space, or between attached units. Moisture-resistant board is used in bathrooms and laundries.
- Finish level. Level 4 (standard residential) is the norm in Perth. Level 5 (full skim coat) is less commonly requested but may be specified for feature walls or high-end renovations.
- Access. Standard Perth homes are easy to access. Where board needs to go into a tight retrofit space (under a staircase, in a converted garage), handling time increases.
A single partition wall in a modern home at Joondalup or Canning Vale with standard board and cove cornice sits toward $750. A multi-room renovation with ceiling lining, fire-rated and moisture-resistant board, insulation, and Level 5 finishing pushes toward $7,600.
Perth-Specific Considerations
Perth's housing stock works in favour of predictable plasterboard pricing. Most residential construction from the 1970s onward uses standard timber or steel framing with plasterboard linings at 2.4m ceiling height. There is less variation in construction method than in older eastern capitals, which means fewer surprises during the job.
Western-facing walls are a specific consideration in Perth. The afternoon sun in suburbs like Scarborough, Karrinyup, and Hillarys drives significant heat load through western walls. Insulation-backed plasterboard (where a layer of polystyrene or similar is bonded to the back of the board) is increasingly popular for these walls during renovations. It adds cost per square metre but improves thermal comfort without reducing room size.
In older suburbs like Fremantle, Subiaco, and parts of Mount Lawley, some homes have double-brick construction with no cavity. Lining these walls with plasterboard requires furring channels or battens fixed to the brick, creating a gap for the board and potentially for insulation. This adds to both the framing and plasterboard scope.
New builds and subdivisions across Perth's northern (Alkimos, Yanchep) and southern (Baldivis, Byford) corridors are predominantly plasterboard on steel framing with standard specifications. These are high-volume, competitive pricing environments.
Perth has a smaller plastering trade pool than Sydney or Melbourne. During building booms, plasterers are in high demand and lead times can extend. For renovation work, booking two to four weeks ahead is typical.
Hiring a Licensed Plasterer in WA
In Western Australia, plastering falls under general builder registration administered by Building and Energy (DEMIRS). There is no separate plastering-specific registration category. For work requiring a building permit or valued over $20,000, the contractor needs registration.
When hiring:
- Ask for trade qualifications (Cert III in Wall and Ceiling Lining or equivalent)
- Confirm public liability insurance
- Get a written quote that specifies board type, finish level, and what is included vs excluded
- Ask about experience with fire-rated and insulation-backed systems if relevant
- Confirm dust management approach for work in occupied homes
For fire-rated assemblies, request documentation of the specific wall system being installed. A building certifier may need to verify compliance.
How We Calculate
Estimates are based on current plasterer rates in the Perth metropolitan area, adjusted for property age and typical construction in WA. All prices include GST. Figures cover plasterboard supply, fix, and finish. Framing, insulation, electrical rough-in, and painting are excluded unless noted.