Replacement windows will insulate and secure your home

There are numerous scenarios that can lead you to decide on replacing your windows. Whether your existing ones are not performing like they should, faulty, or you want to improve the value and appeal of your home, you can’t go wrong with replacement windows from our high-performance range. It’s important to replace your windows because old or broken ones can result in heat being lost, meaning you’ll find it costs more money to keep your home adequately heated. With A+ energy ratings and U-values as low as 0.8, you’ll significantly improve the carbon footprint of your home. Not only that, but a broken or weak looking window seriously jeopardises your home’s security, putting you, your loved ones, and possessions at risk of a break-in.

With 3 different material choices available, your home can be fitted with uPVC windows, aluminium windows, or timber windows, each of which provides their own aesthetics and range of styles, but all of which are of the highest quality. The replacement windows installed by use will far exceed the performance of your previous ones, so you will find yourself in a home that is now more thermally efficient and secure than ever before. With a plethora of colour choices, designs and finishes, we’ll not only increase the performance of your home but add serious style.

Request a free quote today

To get started with your project, enter your details below


An Experienced and Efficient Team

Because we've installed so many replacement windows in the past, we're well versed in the task, meaning we can efficiently get the job done for you with minimal disruption to your day-to-day life. Our expert fitters will install them to maximise their longevity and performance.


Secure Replacement Windows

Windows from T&K are designed with a high-security standard in mind. Depending on the style of the window, the security features and locks used may differ but you can be certain they're highly secure because they are rigorously tested to strict security standards.


Thermally Efficient Replacement Windows

One of the many reasons to choose T&K for your replacement windows is the superb thermal efficiency associated with our products. With our windows reaching up to a Window Energy Rating (WER) of A++, you'll feel the positive impact in no time.


More of an Upgrade Than a Replacement

Even if your current windows don't appear to be at fault, there are plenty of reasons to get new windows from T&K. Over the years, many advancements have been made and there are now more materials and styles available, as well as more features and benefits being included.

Customise your replacement windows with a range of...

  • Materials
  • Glazing Options
  • Decorative Glass
  • Materials

    Glazing Options

    Decorative Glass

    When purchasing a replacement window or set of windows from T&K, you can give them a stunning feature by opting to have them fitted with one of our decorative glass options. Many of these are a great choice for increasing privacy levels too, so they might fulfil your practical requirements too. To view the decorative options we have available, follow the link here.







    Designer Etch

    Designer Etch

    Eiger & Etch Squares

    Eiger & Etch Squares

    GridLite Etch

    GridLite Etch







    Download our windows buying guide

    Are you looking for new windows for your home? This buying guide contains all the information you need to find the right windows for you.


    How much will it cost?

    T&K ensures all our products are competitively priced, offering fantastic finance options, so our products are as affordable as possible. Finance Options

    What about planning permission?

    We work collaboratively with our customers and local planning authorities to ensure the necessary planning permission is attained before any work is undertaken. Enquire now

    Is work guaranteed?

    Any installation work performed by the expert T&K team comes with a 10 year guarantee as standard. A devoted aftercare service is also available, after job completion. Enquire now

    How long will it take?

    As our sister company, Emplas, manufactures a number of our products, our turnaround times are significantly reduced compared to other installers. Enquire now

    View more reviews


    Fully accredited company

    With full accreditation from the appropriate regulating bodies, you can feel assured of the quality that’s on offer.

    Which? Trusted Trader
    Secured by Design

    Serving homeowners across Northamptonshire

    During our tenure as traders, we’ve provided bespoke home improvement solutions across the Northamptonshire area and beyond. This includes areas in counties like Oxfordshire and Buckinghamshire. We've installed home improvements in places such as Corby, Northampton, Bedford, Kettering, Milton Keynes, Cambridge, Aylesbury, Oxford, Rugby, Bicester, Luton, Market Harborough & Banbury.

    View areas we serve
    45% OFF - Get a Free Quote



    Get a FREE quote
    Get a quote