Kingsbourne Windows & Doors

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Market-leading products based on your specifications.

Aluminium Windows Harpenden

Our aluminium windows are a great way of bringing your Harpenden home into the modern age. These slimline profiles incorporate large areas of glazing, providing you with panoramic views of your Hertfordshire home. We supply and install the Alitherm 300 and Alitherm 600 profiles from Smart Architectural Aluminium, a market-leading profile that will offer you the highest levels of quality.

Aluminium as a material is renowned for being rigid and more secure than uPVC. With our aluminium windows, you’ll enjoy the best security and a great thermal performance. Although aluminium previously faltered for the thermal performance, our aluminium windows are manufactured with a polyamide thermal bridge. This will trap in pockets of warm air to provide a comfortable temperature within your Harpenden home throughout the year.

To ensure that we take advantage of the solidity of aluminium, we offer the finest locks. The Harpenden homeowner can enjoy high-quality multi-point locking mechanisms from Yale. This means you and your family can sleep peacefully knowing you have the best protection.


Aluminium Windows near me Harpenden


Aluminium Windows to Suit All Properties

At Kingsbourne Windows and Doors, we appreciate that every Harpenden home is different. That’s why we supply and install a range of aluminium window styles, to offer something for every Hertfordshire property. Whether your home is traditional, contemporary, heritage or modern, we’ll find a window that fits.

Each of our aluminium windows can be customised to fit all your specifications. We offer a selection of RAL colours, which are applied through powder coating. This means even after exposure to the changeable Harpenden weather, your window will retain its quality look. These colours will never fade or require repainting.

We install a range of aluminium window styles. They include aluminium casement windows, French casement windows, tilt and turn windows, sliding sash windows, flush sash windows, and Crittal replacement windows. Each one can be customised through a variety of window hardware and glazing. You’ll enjoy a range of handles, hinge finishes and stops, providing you with a truly bespoke finish for your window.


Aluminium windows near me Harpenden


Fantastic Features Of Our  Aluminium Windows

Slim Profile

Unlike uPVC, aluminium is quite sturdy. This means our aluminium windows can have slimmer frames without straining under the weight of the glazing. With larger areas of glazing, you’ll enjoy unobstructed views, flooding your home with light.

21st-Century Security

Through offering the Yale locking system in our aluminium windows, you can enjoy the complete peace of mind that your property has the best protection. Yale locks are tamper-proof. The quality is so good, they are accompanied with a 10-year guarantee and £1,000 insurance, covering your home if there is a break-in caused by a faulty lock.


Aluminium Window Prices Harpenden


Low Maintenance

Unlike the steel and timber windows our aluminium profile seeks to emulate, you won’t be left with the same high maintenance headaches. These aluminium windows are manufactured from the finest aluminium and won’t warp, rust, bow, twist, rot, decay or discolour. The only maintenance the homeowner needs to carry out on their window is to give it an occasional wipe with a damp cloth. Thermally Efficient

We give you aluminium windows that help keep your home warm and dry. The polyamide bridge and the superior gaskets we install mean that your windows will stop the heat from escaping and prevent ingress of draughts and rainwater. Your Dunstable home will be more comfortable even with lower energy usage.

Range of Colours

To ensure you get the best window for your home, we offer ours in a range of different colours. Our aluminium windows come in a range of RAL colours as well as the Smart Sensations range. With woodgrain foil finishes, you can find a colour that perfectly complements every type of Harpenden home=.

Expert Installation

With our years of experience and a team of expert installers, the aluminium windows we install will be efficient, consistent and reliable. You’ll benefit from the best performance for many years to come. As we carry out installations to the highest quality, we’ll ensure disruption to your day-to-day life is minimal.


Aluminium Window Suppliers Near Harpenden


Aluminium Window Prices Harpenden

If you’ve seen an aluminium window you like the look of, contact us today. You can call us on 01582 505 431 or fill out our online contact form.

For those who already know what style they need to improve their property, start an online quote. Just

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Happy Customers

  • "They're quality fitters done a wonderful job installing ' A ' rated windows and composite doors with the minimum amount of disruption. We are very happy once again with the personal but professional service of the local company, that's been going over 20 years. We will certainly be recommending Kingsbourne Windows to all our family and friends"

    Mr & Mrs Mcdonagh - Luton

  • "The installation I saw at my friend's house was beautifully installed and the cost was realistic for 'A'rated products.Now mine has been completed l would recommend this excellent,local manufacturing company Kingsbourne Windows to all my family and friends"

    Louise Turnbull - Luton

  • "Excellent 'A' rated products backed up by a professional but personal service from start to finish. Now completed with the minimum fuss by their own quality craftsmen we would recommend the local manufacturing company Kingsbourne Windows."

    Mr White - Luton

  • "They fitted beautiful' A ' rated products at our friends home, all with multi - point locking handles and a 10 year guarantee .Now our installation has been completed we would also like to recommend this excellent local company Kingsbourne Windows to all our family and friends"

    Mr & Mrs Stark - Luton

  • "They ticked all the right boxes. beautiful 'A ' rated windows and composite doors at realistic prices from a local company that's been going over 20 years. We will certainly be recommending Kingsbourne Windows to all our family and friends"

    Mr & Mrs Wood - Caddington

  • "With so many glazing companies out there, we wanted a local long established company that makes their own ' A ' rated products at a price we could afford. Now superbly installed by their own high quality fitters, we will certainly be recommending Kingsbourne Windows to all our family and friends"

    Mr Morrison - Luton

  • Happy Customer Bay Windows Luton

    "Our son recently had beautiful 'A ' rated windows and doors installed at his home. He highly recommended them for their top quality fitters and professional after sales service. Now completed, we will also be recommending Kingsbourne Windows to everyone."

    - Luton

  • Happy Customer Double Glazed Windows Luton

    "We wanted a local manufacturer of 'A ' rated products at realistic prices. Now superbly installed by their own fitters we would recommend Kingsbourne Windows to all our family and friends"

    Mr & Mrs Furness - Barton

  • "Their quality fitters done a wonderful job installing ' A ' rated windows and doors with the minimum amount of disruption.We are so pleased once again with the personal but professional service of the local company, that's been going over 20 years, we would also like to recommend Kingsbourne Windows to all our family and friends"

    Mrs Burke - Luton

  • Happy Customer Double Glazing Luton uPVC Window

    "We are so happy again with the personal but professional service,at a reasonable cost, that we would certainly like to recommend Kingsbourne Windows to all our family and friends"

    Mr Ingram - Luton

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uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Aluminium Aluminium Bi-Fold Doors
Conservatories Conservatories
Roof Lanterns Roof Lanterns
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Please help us help our local nurses & carers by bidding on a new Composite front door of your choice!

We will donate all this money to the Just Giving page. If you don't want to bid but want to donate, you can do so. You will receive a 5% discount on any future orders which will be valid for 12 months.

All the money raised will be donated to the Luton & Bedford hospitals and the Keech Hospice in Luton. Good luck with your bids and thank you for your donations!. Closing date of the auction will be 15th May at midday. Please make auction bids on our Facebook page.