
If your bedroom window rattles every time the afternoon sea breeze picks up, or the back sliding door needs a shoulder-shove before it locks, you’ve probably started wondering whether it’s time for something new. It might be, but a poor choice is hard to undo once new frames are sealed into the wall.
Before you book anyone for Perth window replacement, work through a few practical checks. They’ll help you compare quotes properly and choose windows that suit a Perth home.
1. Confirm You Actually Need a Replacement
Plenty of “dead” windows and doors aren’t dead at all. Worn rollers, tired seals, a stripped lock or a dropped sliding panel can usually be fixed for a fraction of the cost of new units.
Replacement starts to make sense when you notice:
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Frames that are corroded, warped or cracked
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Fogging between the panes of a double-glazed unit
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Water getting in around the frame after rain
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The same hardware failing again and again
If someone recommends replacing everything without explaining why, get a second opinion.
2. Choose Frames That Can Handle Perth’s Climate
Perth throws a lot at a window frame: long, hot summers, harsh UV, heavy winter rain and, closer to the coast, salt in the air.
Aluminium is the most common choice here because it’s strong, slim and low-maintenance. Near the ocean, ask whether the finish and hardware suit coastal exposure. For better insulation, thermally broken aluminium or uPVC frames are worth pricing. Timber suits older homes but needs regular sealing or painting.
3. Look Closely at the Glass
The glass drives most of your comfort. A west-facing living room in February can turn into an oven with plain single glazing.
Options include double glazing, Low-E coatings and tinted or solar-control glass. Ask for the window’s WERS (Window Energy Rating Scheme) figures. Two numbers matter most: the U-value, where lower means less heat passes through, and the solar heat gain coefficient (SHGC), where lower means less of the sun’s heat gets in. In Perth, keeping summer heat out matters as much as holding winter warmth in.
Safety counts too. Glass in doors and low-level windows may need to be toughened or laminated under AS 1288, and window systems should comply with AS 2047.
4. Think About Security and Everyday Use
For doors, look at the whole system rather than just the panel: frame, locks, rollers or hinges, weather seals and threshold. Sliding doors live or die by their rollers and track. If anyone at home has limited mobility, ask about low thresholds and easy-grip handles. Key-lockable latches and security screens are also easier to plan in now than to add later.
5. Check Approvals Before Anything Is Ordered
Fitting a new window into the same opening is usually a straightforward job. Things change if you’re enlarging an opening, altering a structural wall, or living in a heritage-listed or strata property. Confirm requirements with your local council before signing anything.
6. Get a Site Measure and an Itemised Quote
Replacement windows are generally made to measure, so nothing should be ordered from rough sizes. A proper site visit checks the opening, the surrounding wall, flashing and drainage.
Whoever you choose for window replacement Perth WA, the quote should spell out:
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Frame material, finish and glass specification
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Locks, handles, rollers and hinges
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Removal and disposal of old units
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Flashing, sealing and making good around the frame
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GST and warranty terms
Also ask what happens if a rotten sill turns up once the old frame comes out; that’s where surprise costs usually hide.
7. Read the Warranty Before You Sign
Frames, glass, hardware and workmanship are often covered by separate warranties. Check the exclusions and whether routine maintenance is a condition.
Why Local Experience Helps

An installer who works on Perth homes every week knows the quirks: older double-brick homes with non-standard openings, coastal corrosion, and sliding doors that have spent years grinding through sand. For Perth window and door replacement, Easy Door Solutions takes a repair-first approach, checking whether existing frames can be saved before quoting new windows or doors, with no call-out fee.
Frequently Asked Questions
How much does window replacement cost in Perth?
It depends on the window’s size, frame material, glass type and installation complexity. A standard single-glazed aluminium window costs far less than a large double-glazed unit with Low-E glass. Because most windows are made to measure, an itemised on-site quote is the only reliable price.
How long does it take to replace a window?
Installing a standard window often takes a few hours once the new unit is on site. The longer wait is usually manufacturing, as made-to-measure windows can take several weeks.
Can I replace just the glass instead of the whole window?
Yes, if the frame is in good condition. Broken panes can be reglazed, and a fogged double-glazed unit can often be swapped without removing the frame. If the frame is corroded or leaking, full replacement is the better fix.
Is double glazing worth it in Perth?
For many homes, yes, particularly west-facing rooms, homes near busy roads and spaces that rely on air conditioning. Double glazing reduces heat transfer and some outside noise, and Low-E or solar-control glass helps keep summer heat out.
Do I need council approval to replace windows in WA?
Not always. Replacing a window within the same opening is usually simpler than enlarging an opening or altering a structural wall. Heritage-listed and strata properties may have extra rules, so check with your local council before ordering.
What is the best window frame material for Perth homes?
Aluminium is the most popular choice in Perth because it’s durable, slim and low-maintenance. Coastal homes need a corrosion-resistant finish. Thermally broken aluminium and uPVC insulate better, while timber suits character homes but needs regular upkeep.
Should I replace windows and doors at the same time?
It can save time and keep the look consistent during a renovation, but it isn’t essential. If only a few units are failing, replacing those first and planning the rest later spreads the cost.
Final Thoughts
New windows and doors can make a Perth home cooler, quieter and more secure, but only when the right products are fitted properly. Confirm you really need replacements, choose frames and glass suited to your home, and insist on a detailed quote before you commit.