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Reputable Home Improvement Experts

  • Guaranteed Quality

    Our products are quality guaranteed. We always offer extensive warranties with our products. We're a local, family run company, which means that we treat every double glazing installation as it were our own home.

  • Family Owned

    As a family owned company we pride ourselves on our fantastic aftercare services. If you have any issues or queries, our team of experienced and friendly staff will also be happy to help. We are always a phone call away.

  • Amazing Products

    We will only ever sell the highest quality products. Feel confident that we only offer the best windows, doors and conservatories in the industry. We can assure you that our products are long lasting, attractive and functional.

  • Wide Selection

    We offer high quality uPVC windows and doors, timber products, aluminium windows and doors. We also offer the acclaimed Residence 9 range, a uPVC made with grain to look like authentic wood.

Why Choose Sovereign? - Click a Title to Read More

Sovereign are a fully accredited double glazing company in Harlow, Essex with many years experience in the home improvement sector. You can rely on us to provide you with market leading products and expert installation.

Once you have made your free, no obligation appointment with Sovereign, one of our expert design consultants will contact you and arrange a visit.

All our consultants are highly experienced with extensive product knowledge in order to assist you with any queries you may have. You can also find out more about our product on our website, and you can receive a quote via our online generator by simply inputting your home measurements.

Your design consultant will discuss your project with you whilst listening to what you want to achieve with your chosen home improvement. They will then give you an accurate (subject to full survey) quotation.

Once you have placed your order with us, a professional surveyor will contact you to arrange a mutually convenient appointment to confirm all your designs and options. Detailed measurements will also be taken to ensure a perfect fit.

We have a beautiful showroom located on in Harlow, so do feel free to pop in and we can show you the array of uPVC windows, doors and conservatories that would be a perfect addition to your property.

Double Glazing Windows

Here at Sovereign, we don’t just offer secure and attractive double glazing windows for a competitive price. Our profiles offer high thermal efficiency, acting environmentally friendly and saving Essex homeowners money on their heating bills. Our double glazing windows are also multi-chambered, which prevents the cold air from entering and keeping your Essex home comfortable all year round.

We have double glazing windows for every style of Essex home including casement, flush sash, sliding sash, tilt and turn, styleline and aluminium windows. Whether you are looking to revamp an older property, install new windows into a modern build or transform a home, we have a style for you.

uPVC Windows Chelmsford

Double Glazing Doors

The entrance to your Essex home should be as stylish as it is functional and secure. All of our double glazing uPVC, bifold and aluminium doors can be tailored to suit your tastes, offering modern and heritage designs, without compromising on security and long lasting durability. Our double glazing frames are energy efficient, ensuring your Essex home stays warm all year round and saves on your energy bills.

We offer a range of double glazing doors that will perfectly suit your home. We have complimentary slimline doors, traditional European options and stylish front doors that will instantly update the look and feel of your property.

uPVC Doors Chelmsford

Double Glazing Home Extensions

We offer a stunning range of conservatories and roof installations in Essex. All of our designs incorporate our industry leading double glazing windows and doors, with each style manufactured to suit your property style seamlessly.

Our conservatory range consists of lean to conservatories, Victorian conservatories, Edwardian conservatories, gable end conservatories, P-shaped conservatories and bespoke conservatories. We specialise in creating your dream conservatory extension, creating space and light for your home.

With Sovereign Windows, customers in Essex will enjoy years of impressive thermal efficiency, home security and weather protection due to the intelligent design of our double glazing home extensions.

Loggia and orangeries Sawbridgeworth

Latest News

double glazing High Wych

Beat Heat Loss With Sovereign Windows

With the current energy prices, which are ever rising, it is more important than ever to make sure your home operates effectively. Fortunately, you may be able to achieve that with the aid of our collection of high performance, thermally efficient, double glazed uPVC windows! If you’re losing a lot of heat via your windows,…

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residence at the collection sawbridgeworth

Energy Efficiency Explained

Heating or eating? That is the awful question many UK homeowners may have to ask themselves this winter. And, unfortunately, perhaps all winters moving forward. The wholesale gas price surge has plunged the country into an energy crisis, but we are not without hope.  By becoming more efficient with our energy usage, we can do…

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Composite Doors Bishop's Stortford

January COVID-19 Update

A&A Windows would like to reassure our customers that we are still carrying out installations! Our installation team will be keeping to social distancing guidelines, wearing facemasks whilst at your property. We will bring our own hand sanitiser, anti-bacterial spray, and use our own tea and coffee supplies. Throughout this time, and in accordance with…

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