Buying Guides Published 8 October 2026 10 min read

Best Indoor Blinds Perth Homeowners Choose to Beat the Summer Heat

Q: How do I get a quote for blinds to keep my home cool?

The easiest way is to [get in touch](/contact/) for a free measure and quote. We will look at which windows cop the worst sun, talk through fabrics and colours for each room, and recommend the setup that gives you the coolest home for your budget. We service the whole Perth metro area, from Joondalup to Rockingham.

Perth summers are brutal, and your windows are where most of the heat gets in. Here are the best indoor blinds in Perth for keeping your home cool, from blockout rollers to shutters and venetians, plus the daily habits that make them work even harder.

Bright Perth living room with a blockout roller blind half lowered against strong summer sun

Anyone who has lived through a Perth summer knows the feeling. You come home at five in the afternoon, the air is still sitting at 38 degrees, and your west facing living room feels like the inside of a parked car. The air conditioner runs flat out, the power bill climbs, and the house still feels stuffy. Most of that heat did not come through your walls. It came straight through your windows, and the best indoor blinds Perth homeowners rely on are the ones that stop it right at the glass.

Here is the good news. Choosing the best indoor blinds Perth homeowners rely on for heat control is one of the cheapest and most effective ways to keep your home comfortable. The right blind on the right window can be the difference between a cool, calm house and one you dread walking into. We fit blinds in homes from Joondalup to Rockingham every week, and in this guide we will walk you through exactly what works, what does not, and the little habits that make a big difference.

In This Guide

Why Your Windows Are Where Summer Is Won or Lost
Blockout Roller Blinds: The Heat Workhorse
Sunscreen Fabrics: The View Without the Bake
Plantation Shutters: Shade That Still Breathes
Venetian Blinds: A Small Tilt Makes a Big Difference
Colour, Fit and the Small Details That Change Everything
Daily Habits That Make Your Blinds Work Twice as Hard
Frequently Asked Questions

1. Why Your Windows Are Where Summer Is Won or Lost

Glass is a terrible insulator. On a hot Perth afternoon, sunlight pours through your windows and heats the floors, furniture and walls inside, and those surfaces keep radiating heat back into the room long after sunset. That is why a house with bare windows can still feel hot at eight in the evening.

The worst offenders are west facing windows, which cop the full force of the afternoon sun. North facing windows are the next biggest problem in our part of the world. If you live in the hills around Kalamunda or out in the eastern suburbs like Midland and Ellenbrook, away from the cooling sea breeze, your windows cop even more punishment. The afternoon Fremantle Doctor gives coastal suburbs from Cottesloe to Scarborough some relief, but inland homes do not get that help.

This is exactly where indoor blinds earn their keep. A good blind stops the sun before it heats your floors and furniture. It does not just make the room feel shadier. It genuinely keeps the heat from building up inside in the first place. Pair that with a few smart daily habits, which we cover at the end of this guide, and most homes feel noticeably cooler without the air conditioner working overtime.

2. Blockout Roller Blinds: The Heat Workhorse

If you want one blind that does the most work against Perth heat, it is the blockout roller blind. A quality blockout fabric stops nearly all light from passing through, and where light goes, heat follows. Put them on west and north facing windows and you shut down the biggest source of heat gain in the house in one move.

What makes them so good for summer is the simplicity. The fabric sits flat against the window in a single clean sheet, so there are very few gaps for heat to sneak around compared with slatted blinds. Light coloured fabrics reflect the sun back out instead of absorbing it, which is why we usually steer Perth customers toward whites, light greys and soft neutrals for their hottest windows.

For the best result, ask about a close fit. A blind mounted inside the reveal with minimal side gaps blocks far more heat than one floating loosely on the wall. Side channels that seal the edges are a great option for bedrooms where you want darkness and cool air to stay put. For the full rundown, read our blockout blinds guide or browse our roller blinds range.

Best for: bedrooms, west facing living areas, home offices and nurseries
Top pick for heat: light coloured blockout fabric, fitted close to the window
Worth considering: dual roller blinds with a sunscreen layer for daytime and blockout for night

Blockout roller blind half lowered over a sliding door in a Perth home

3. Sunscreen Fabrics: The View Without the Bake

Not every window needs to go dark. In living areas where you love the outlook, a sunscreen roller blind is a brilliant middle ground. The open weave fabric filters harsh glare and a good share of the heat while you keep your view. You get a softer, cooler room without living in a cave all summer.

Sunscreen fabrics come in different openness levels. A tighter weave blocks more heat and glare but softens the view, while a more open weave keeps the view crisp and lets in more warmth. For most Perth living rooms we land somewhere in the middle, enough openness to enjoy the garden, enough density to take the sting out of the afternoon sun, especially on east facing windows that cop strong morning sun but do not need full darkness.

The catch is privacy. A sunscreen blind gives good daytime privacy, but at night with the lights on, people outside can see in. That is why many customers pair them with blockout rollers in a dual setup, sunscreen by day for the view, blockout at night for privacy and insulation.

4. Plantation Shutters: Shade That Still Breathes

Plantation shutters are a Perth favourite for good reason, and heat control is a big part of it. The wide louvres let you fine tune exactly how much sun comes in. Tilt them up and harsh direct sun is blocked while soft light still filters through. Close them flat and you get a solid barrier that keeps the heat out and adds real insulation at the window.

Shutters really shine on those tricky in between days. When the Fremantle Doctor rolls in around mid afternoon and the temperature drops ten degrees in an hour, you can open the louvres and let the breeze flow straight through while the frame still gives you privacy from the street. Try doing that with a closed blockout blind. For homes in Fremantle, Applecross and the coastal strip where the sea breeze arrives early, that flexibility is gold.

They also look the part, suiting everything from character homes in Subiaco and Claremont to new builds in Baldivis and Yanchep. They cost more upfront than a roller blind, but they are built to last for decades and handle our summers beautifully year after year. See our full plantation shutters range for styles and options.

Best for: street facing windows, living areas, homes that catch the sea breeze
Top pick for heat: louvres tilted to block direct sun while letting air move
Good to know: shutters add a solid layer at the window, which helps in winter too

White plantation shutter fitted on a door in a Perth home

5. Venetian Blinds: A Small Tilt Makes a Big Difference

Venetian blinds do not get enough credit for summer. The whole point of a venetian is control, and that control is exactly what you want when the sun is tracking across your windows all day. Angle the slats to bounce the harsh direct sun up toward the ceiling while soft daylight still fills the room, and the space stays bright but much cooler.

Material choice matters in our climate. Aluminium venetians are the practical pick for heat, they are slim, they reflect well, and they handle steamy bathrooms and laundries without a worry. Timber venetians look gorgeous and suit living areas and bedrooms more than wet zones. Budget PVC venetians have their place, but cheaper PVC can bow and warp on a window that cops full afternoon heat year after year.

Venetians also suit renters and renovators as one of the most affordable ways to get real light control on every window. They will not block heat as completely as a blockout roller, but for rooms where you want flexibility through the day, that tilting slat is hard to beat.

Best for: kitchens, living rooms, and any window where you adjust light through the day
Top pick for heat: aluminium slats in a light colour, tilted to deflect direct sun
Avoid: cheap PVC on windows with harsh, all day western sun

White venetian blinds on a window in a Perth apartment

6. Colour, Fit and the Small Details That Change Everything

Here is something most people get backwards. Dark blinds look sleek, but on a sun blasted window they absorb heat and radiate it into the room. Light coloured blinds reflect the sun back out and stay noticeably cooler to the touch. Save darker fabrics for south facing windows or rooms that never cop direct sun, and keep the hot windows light.

Fit matters just as much as fabric. A blind that finishes well short of the frame leaves a glowing ring of sun around the edges, and that ring is heat pouring straight in. Inside mount blinds look neat but always leave small side gaps. Outside mount blinds that overlap the architrave block more heat. Get us out for a free measure and we will get it right.

One more detail worth knowing: some blockout fabrics come with a light or metallic backing designed to reflect heat. On a brutal west facing window, that backing is worth asking about. It is a small upgrade that does real work every single 40 degree day of summer.

Light colours on hot windows, dark colours only where the sun never hits directly
Outside mount blocks more heat than inside mount on problem windows
Ask about heat reflecting backings and side channels for west facing rooms

7. Daily Habits That Make Your Blinds Work Twice as Hard

Even the best indoor blinds in Perth cannot help if they are wide open while the afternoon sun pours in. The single biggest habit is timing. Close east facing blinds before you leave for work, and close west and north facing ones before midday. You are locking the heat out before it ever gets in, which is far easier than cooling a house that has been baking all day.

Work with the Fremantle Doctor instead of against it. When that cool sea breeze arrives in the afternoon, open the windows on the side the breeze comes from and let it flush the warm air out, then close everything up again as the evening cools. Homes from City Beach down to Mandurah get this free cooling nearly every summer afternoon, so use it.

At night, open things up. Perth nights usually drop enough to flush the day's warmth out of the house, then close the blinds again in the morning to trap the cool air inside. Layering helps too, a sheer curtain behind your blockout blind softens glare by day and adds insulation at night. And if you are building new or renovating, outdoor blinds and awnings stop the sun before it even reaches the glass.

None of this needs to be complicated. Close early, open for the breeze, flush at night, and let your blinds do the quiet work in between. Do that through January and February and you will feel the difference in every room.

Close east windows in the morning, west and north windows before midday
Open up for the afternoon sea breeze, then close up as the evening cools
Flush warm air out at night, trap the cool air in each morning

Frequently Asked Questions

Q. Do blinds really make a house cooler, or do they just make it darker?

They genuinely make it cooler. Most summer heat enters through windows as direct sunlight, which heats your floors and furniture. A good blind, especially a blockout roller or closed shutters, stops that sunlight before it heats the room. The room feels cooler because less heat ever got in, not just because it looks shadier.

Q. What colour blinds reflect the most heat in a Perth summer?

Light colours, whites, light greys, creams and soft neutrals, reflect the most heat back out the window. Dark fabrics absorb heat and radiate it into the room, so save darker colours for windows that never cop direct sun. For west facing windows, a light coloured fabric with a heat reflecting backing is the smartest choice.

Q. Are plantation shutters or blockout roller blinds better for cooling?

Both are excellent, they just work differently. Blockout roller blinds give the most complete barrier against heat and light, ideal for bedrooms and the hottest west facing windows. Plantation shutters give adjustable control, blocking direct sun while still letting air and soft light through, perfect for living areas and homes that catch the sea breeze. Many customers use both, rollers in the bedrooms and shutters in the living spaces.

Q. Should I close my blinds before the Fremantle Doctor arrives?

Close them before the heat arrives, then open up when the breeze does. Shut east facing blinds in the morning and west and north facing blinds before midday to lock the heat out. When the sea breeze rolls in, open the windows on the breeze side and tilt your shutters or lift your blinds to flush the warm air through. It is free cooling, so make the most of it.

Q. Can I layer sheer curtains behind blockout blinds?

Yes, and it is one of our favourite combinations. The sheer curtain softens glare and gives daytime privacy while still letting light in, then the blockout blind comes down at night for darkness, privacy and extra insulation. It works hard in both summer and winter. See our sheer curtains range for fabric options.

Q. How do I get a quote for blinds to keep my home cool?

The easiest way is to get in touch for a free measure and quote. We will look at which windows cop the worst sun, talk through fabrics and colours for each room, and recommend the setup that gives you the coolest home for your budget. We service the whole Perth metro area, from Joondalup to Rockingham.