Triple Glazing

A very professional company from enquiry to installation. The sales rep ensures the job progresses smoothly from site visits during the estimating and installation. The installation team work to a high standard and are extremely skillful, tidy and leave no mess, excellent workmanship.

- John Parker

The Window Centre: The Leading Installer of Triple Glazing in Harrow

The Window Centre is a leading provider of triple glazed windows in North West London. We moved our headquarters to the borough of Harrow more than 20 years ago, and in the years since, we’ve established ourselves as the go-to installer for windows and doors in the area. If you’re looking for triple glazing in Harrow or Pinner, there’s no better team to turn to. 

We’ve been paying close attention to recent developments in window glazing. As more complex versions of glazing became available, we were quick to adopt these practices at our own facility. Today, we’re proud to be the leading triple glazing installers in Pinner, Harrow and the surrounding areas. If you’re in the market for energy-efficient window solutions in the borough of Harrow, we’re the only glaziers you need to contact. 

We’re an A++ Energy Rated Triple Glazing Installer

We’ve been installing windows and doors in North West London for more than two decades now. We were active installers when double glazing came into fashion. And in 2013, we stepped out as triple glazing installers in Harrow. 

Today, we’re on the cutting edge of this energy-efficient technology. If you’re ready to upgrade your property with windows that insulate against heat transfer and noise pollution, we can help make that happen. 

As a leader in triple glazing installation in Harrow, Pinner and elsewhere in the area, we’re intent on staying on the leading edge of window installation. For this reason, we make a point of keeping up with the latest breakthroughs in efficiency ratings. The triple glazed windows we install meet an A++ rating, which means that they reduce heat transfer, offer more security and protect your property from noise pollution. 

What can Triple Glazing do for your home?

When it comes to window and door glazing, technology continues to advance. The science is well-established, and there’s no question that double and triple glazed windows can make a property more energy-efficient. It’s clear that triple glazing in Pinner and Harrow can save you money on energy bills whilst making you feel better about your property’s carbon footprint at the same time. 

If you live, work or operate in a dated property that isn’t hitting the efficiency marks you’re hoping for, advanced glazing could help. And best of all, triple glazing installation in Pinner is probably much cheaper than you expect. 

Advances in technology, materials and reduced costs mean that triple glazing is now the best and most effective way to insulate your home. We have teamed up with our long-term partners at Glass Systems and Duraflex to provide you with the very latest, highest quality energy saving glazing and frames for your home.

Compared to common, aluminium-framed windows with C-rated double glazing in an average gas-heated bungalow/semi detached home...
  • Can reduce your heating costs by up to £766 a year
  • Lower heat loss at window means the glass is 3-4 degrees Celsius warmer
  • This means that condensation will be cut by up to 80%
  • Noise pollution is greatly reduced
  • Improved Security
  • Could cut your CO2 emissions by as much as 4.7 tonnes a year
  • Increase the energy efficiency of your windows by 60%

Visit Our Triple Glazing Showroom in Harrow

The team at The Window Centre have teamed up with our partners at Glass Systems and Duraflex to provide our customers with the latest, high-quality windows in Harrow and Pinner. If you’d like to learn more about triple glazing and how it can enhance your property, please don’t hesitate to contact us. You can visit our triple glazing showroom in Pinner, send us a message via the website or call us on 020 8429 0383. 
If you're interested in seeing what triple glazing can do for your home, or you'd like a
free triple glazing quote, then get in touch with us by calling 0208 429 0383
dropping us an e-mail enquiry to or simply pop into our Harrow showroom.
Contact The Window Centre

50% Autumn & Winter Warm Home SALE

In addition we are continuing our popular Winter SALE offering of UP TO 50% OFF our triple glazing units, encouraging homeowners to be as energy efficient as possible and save money on energy bills in the long run.

Naturally, like all our products, our triple glazing products come with our 10-year guarantee and we also have 0% APR finance options if you'd rather spread the cost over 2 or 3 years.
*Terms & conditions apply. Triple glazing and other selected products only. Not to be used in conjunction with any other offer.
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