The answer is: it depends. On which room. On which suburb. On the quality of execution. On the condition of the existing home. On where Perth’s property market is at the time.
Renovation-adds-value is one of the most confidently stated pieces of property advice in Australia — and one of the least nuanced. A $45,000 bathroom renovation in Cottesloe in 2026 does not have the same return profile as a $45,000 bathroom renovation in a different suburb, or a different property type, or a different point in the property cycle. Understanding which renovations add value, in which contexts, and by how much is more useful than a blanket statement.
This article covers the renovation types with the strongest return profile in Perth, the ones that don’t return what people expect, the suburb and property factors that affect the calculation, and the distinction between renovating for living versus renovating for sale.
Bathroom renovations have one of the highest return profiles of any single-room renovation in Perth’s inner and western suburbs. The reason is primarily buyer expectation: in the market segments most active in those suburbs ($800K–$2M+ homes), buyers assume a renovated bathroom. A dated bathroom creates a discount expectation. A renovated bathroom removes that discount and creates a premium expectation.
Indicative return profile (inner Perth, western suburbs, south Perth premium areas):
Renovation Cost | Indicative Value Add | Net ROI (guide only) | Notes |
$50,000 – $70,000 (entry level) | $30,000 – $45,000 | 20–50% positive return | Removes dated discount from buyer assessment. Strong where the rest of the home is in good condition. |
$32,000 – $42,000 (mid-range) | $40,000 – $60,000 | 10–40% positive return | Stone benchtop and quality fixtures. Strongest in $900K–$1.5M suburbs. |
$42,000 – $50,000+ (premium) | $50,000 – $70,000 | Break-even to 20% positive | Freestanding bath and luxury fixtures. Return depends heavily on property price point. |
A kitchen renovation in Perth consistently produces one of the highest returns of any single-room investment — when the kitchen is genuinely transformed (not just refreshed) and when the property price point supports the investment.
The kitchen is the room that drives buyer decisions at inspection. A dated kitchen creates a strong negative impression. A well-executed kitchen renovation changes the entire feel of a home at inspection — it signals that the property has been cared for and invested in.
Renovation Cost | Indicative Value Add | Net ROI (guide only) | Notes |
$30,000 – $42,000 (entry level) | $35,000 – $55,000 | 15–45% positive | Custom cabinetry and new benchtop transforms buyer perception significantly. |
$42,000 – $60,000 (mid-range) | $50,000 – $75,000 | 10–30% positive | Strong in $850K–$1.5M suburbs. Open plan conversion particularly effective. |
$60,000 – $75,000+ (premium) | $60,000 – $85,000 | -5% to +20% | Return diminishes at the premium end. Investment at this level suits high-value properties. |
Perth’s climate makes a well-executed alfresco addition one of the most effective single renovations for property value in suburbs where outdoor living is part of the lifestyle expectation. In Cottesloe, South Perth, Subiaco, and similar inner and western suburb markets, buyers expect outdoor entertaining. An alfresco that adds a functional outdoor room — louvre roof, quality paving, outdoor kitchen — is perceived as a room addition, not just a paved area.
Indicative return on a $25,000–$45,000 mid-range alfresco renovation: $25,000–$55,000 value add in inner and western Perth suburbs. More variable in outer suburbs where outdoor living expectations are lower.
A well-designed laundry renovation adds more to a property than buyers consciously register, but less than bathrooms or kitchens. Buyers notice a bad laundry (inadequate storage, cramped, tired). They appreciate a good laundry but rarely negotiate against the price because of it. The return is primarily in reduced discount expectation rather than premium creation.
For owner-occupiers, the quality-of-life return on a laundry renovation is disproportionately high relative to cost — but the financial ROI at sale is more modest than bathroom or kitchen work.
Adding a bedroom increases a property’s capital value — the bedroom count is a fundamental driver of Perth property prices. But the return calculation for extensions is more complex than for room renovations, because the cost of construction per square metre is higher than the average land-and-building value per square metre in most Perth suburbs.
The return is strongest when: the extension adds a bedroom or bathroom that moves the property into a higher buyer category (3-bedroom to 4-bedroom is a significant jump in buyer interest in many Perth suburbs); the extension is finished to the same standard as the rest of the home; and the total property value after extension still represents market value rather than overimprovement.
Overimprovement is a real risk in renovation. A $50,000 premium bathroom renovation in a suburb where the median house price is $650,000 will not return $50,000 in added value — because the property’s ceiling is set by the suburb, not by the renovation. The quality of the renovation needs to be calibrated to the market it’s in.
The risk of overimprovement is highest when: the total spend on a property (purchase price plus renovation cost) approaches or exceeds the top 10% of prices in the suburb; when the renovation specification is significantly above neighbouring properties; and when the renovation is highly personalised to a specific taste rather than broadly appealing.
The ROI calculation changes. The return is measured over the years you live in a better home, not just in a single property sale. A $35,000 bathroom renovation that you use for 10 years returns value every day, regardless of what it adds to the eventual sale price. The financial analysis at sale should be a secondary consideration, not the primary one.
For owner-occupiers, the strongest renovation decisions are the ones that improve daily life most significantly — which are frequently the same renovations that return the most at sale. Bathrooms, kitchens, and alfrescos are both the highest quality-of-life improvements and the strongest financial returns. The two analyses point in the same direction.
The calculus is more precise. The relevant question is not “will this add value” but “will this add more value than it costs” — and “do I have the time and certainty to complete it before the sale campaign starts?”
Practical considerations for renovation before sale:
House & Co provides free in-home consultations that include an honest discussion about renovation scope versus expected return. We are not property valuers or real estate agents — and we say so. But after completing hundreds of Perth renovations, we have a considered view on which renovations are worth doing in which contexts, and we share that view honestly.
Renovation returns are strongest where: the property price point supports the renovation investment; buyer expectations for renovation quality are high; and the gap between renovated and unrenovated properties in the suburb is significant.
Perth Area | Renovation Return Profile | Notes |
Cottesloe, Nedlands, Claremont, Dalkeith | Strongest — $800K–$3M+ price range. High buyer expectations. Clear premium for renovated properties. | Kitchen and bathroom renovations at mid-to-premium specification return strongly. Alfresco renovation is expected, not a premium. |
Subiaco, Mount Hawthorn, Leederville | Strong — character home market. Renovation adds disproportionate value to older, unimproved properties | Period-appropriate renovation (Hamptons or coastal) outperforms generic renovation. Quality of execution is highly visible at this price point. |
South Perth, Como, Applecross | Strong to moderate — broad price range. Premium properties return well. Mid-range properties more variable. | Bathroom and kitchen strongest. Extension adds bedroom count into a buyer category that performs well. |
Mount Lawley, Inglewood, Maylands | Moderate to strong — character home renovation market. Older stock, high renovation rate. | Heritage character retained and enhanced performs better than character removed. Quality of finish is highly scrutinised. |
Northern and outer suburbs | Variable — depends heavily on specific suburb trajectory and price ceiling. | Risk of overimprovement higher. Agent advice on local expectations essential before major renovation investment. |
House & Co manages every room under one agreement. Browse our other services below — all
spokes connect back to the same team, the same process, and the same fixed-scope quote.
Free in-home consultation. Fixed-scope quote. No obligation.