- Not totally convinced triple glazing is always worth it, tbh. I had new double glazing put in a couple years back and, with some decent draft-proofing, the difference was night and day compared to my old leaky windows.
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—yep, this matches my experience.“solid double glazing and good air sealing can still get you most of the way there”
- Unless you’re living somewhere with crazy winters or near a busy road, the extra cost for triple just didn’t make sense for me.
- Also, my neighbor went triple and still complains about cold floors... so maybe windows aren’t the only culprit.
Totally get where you’re coming from. I’ve seen people spend a small fortune on triple glazing and then be surprised their house doesn’t feel like a ski lodge. Double glazing, when it’s properly fitted and paired with good draft proofing, is a massive upgrade for most homes—especially if you’re coming from old single panes or leaky frames. It’s wild how much difference just sealing up gaps can make.
I do think triple has its place, especially in super cold climates or if you’re right on a noisy street and desperate for that extra sound insulation. But for a lot of UK homes, it just isn’t the game-changer people expect, especially given the price jump. And yeah, cold floors are usually a sign of poor insulation elsewhere—windows only do so much if your walls or floors are letting heat pour out.
One thing I will say: if you’re building new or doing a deep retrofit, it might make sense to future-proof with triple. But for most upgrades? Solid double with decent seals is a sweet spot.
I’ve always been a bit skeptical about the whole triple glazing hype, especially in the UK. When we did our windows, I actually got quotes for both, and the price difference was kind of hilarious. Ended up going with good double glazing, but paid extra attention to getting the frames sealed up tight—honestly, that made a bigger difference than I expected. If your house is drafty or you’ve got cold spots, I’d look at insulation and floorboards before splashing out on fancy glass. Triple’s probably overkill unless you’re somewhere really freezing or right next to a motorway.
Yeah, I hear this a lot. Honestly, unless you’re living in an old barn or your house backs onto the M25, triple glazing just doesn’t give you that much more for the money—at least not in most UK climates. Like you said, the frames and seals are where a ton of heat sneaks out. I’ve seen folks drop serious cash on fancy glass but still get cold drafts because the install was sloppy or the walls weren’t insulated right. If you’ve already got decent double glazing and you’re not in the Arctic, I’d focus on sorting out draughts and maybe beefing up loft insulation first.
If you’ve already got decent double glazing and you’re not in the Arctic, I’d focus on sorting out draughts and maybe beefing up loft insulation first.
Yeah, I think this is spot on. I went through the whole debate last winter when we were renovating. Our house is a 1960s semi, so not exactly a barn but definitely not airtight either. We had the original double glazing from the 90s—nothing fancy, but still doing a reasonable job. I got a few quotes for triple glazing and honestly, the price difference was eye-watering compared to just replacing with better double glazing.
What really made a difference for us was getting the installer to pay attention to all the little gaps around the frames. Before that, you could feel a cold breeze even with the windows closed tight. Once those were sorted (and we threw in some new seals), it felt warmer straight away. We also topped up the loft insulation, which was way cheaper and probably saved us more on heating bills than new windows would have.
Not saying triple glazing is pointless—maybe if you’re right on a busy road or you want to really cut down noise, it’s worth considering. But for most houses here in the UK, especially if your double glazing isn’t ancient, it seems like overkill unless you’re going for super energy efficiency or building new from scratch.
Funny enough, my neighbour did go for triple glazing last year. He swears it’s quieter but admits he hasn’t noticed much difference in his heating bills. Makes me think it’s more about comfort and peace of mind than actual savings unless you’ve got other issues sorted first.
Curious if anyone actually saw a big drop in bills after upgrading? For us, fixing draughts and adding insulation gave way more bang for our buck.
What really made a difference for us was getting the installer to pay attention to all the little gaps around the frames.
This is exactly what I found too. I spent a weekend with a tube of sealant and some foam strips and honestly, it sorted out more cold spots than I expected. Triple glazing looked tempting for the noise reduction, but like you said, the price just didn’t add up for me. I’d say unless your windows are falling apart, sorting draughts and insulation is way less hassle and gives you quicker wins on comfort.
I get where you’re coming from, but I actually went for triple glazing in our old 1930s semi last winter. Yeah, it was pricey, and sealing up draughts definitely helped before that, but the difference in warmth and especially noise was way more noticeable than I expected. The street noise used to drive me nuts—now it’s barely a hum. I guess if you’re already doing a big window replacement, it’s worth at least considering triple, especially if you’re in a noisy area or get harsh winters. Not for everyone, but it worked for us.
Not for everyone, but it worked for us.
I totally get what you mean about the noise reduction—triple glazing really does make a difference there. I noticed the same after installing it in my place, especially with all the buses passing by. From a technical perspective, the extra pane and gas fill can reduce U-values quite a bit, which helps with heat retention. That said, if your walls aren’t well insulated, you might not get the full benefit. For me, the biggest surprise was how much less condensation I got on cold mornings... didn’t expect that.
That condensation thing caught me off guard too—used to have puddles on the window sills in winter, but after switching to triple glazing, it’s barely an issue. The noise drop was a game changer for us because we’re right by a train line. I do wonder though, did you notice any difference in how fast your rooms heat up? I found mine stay warmer longer, but honestly, it still takes a while to warm up in the mornings... maybe my radiators are just ancient.
I hear you on the radiators. I swapped to triple glazing a couple years back, and yeah, the rooms definitely hold the heat better—less of that cold draft feeling, especially in the evenings. But as for actually warming up faster in the morning... not really. If anything, it just means the chill doesn’t creep in as quickly overnight. My house is 1950s brick, so maybe it’s just got a mind of its own, but unless I crank the heating early, it still takes its sweet time.
Honestly, I think a lot of the “triple is way better than double” hype is a bit overblown unless you’ve got really old single panes or live somewhere Arctic. The noise reduction is legit, though. I used to hear every car door and dog bark, now it’s mostly peace and quiet. But if your radiators are ancient, that’s probably half the battle right there. Upgrading those (or at least bleeding them) made more difference for me than the windows ever did.
Triple glazing’s nice, but it’s not a miracle worker—just another piece of the puzzle.