‘Low Cost’ uPVC Windows and Doors

At Thames Valley Windows, we aim to provide our customers with even more value when it comes to uPVC. We’re delighted to introduce a range of uPVC double-glazed windows and doors at a lower price. Developed in-house using our years of experience in double glazing, our ‘Essentials’ collection is for homeowners looking for high-quality uPVC replacement windows for less. It’s the best value your money can buy.

With so many UK suppliers offering low-quality cheap uPVC windows, it can be difficult to find a uPVC window supplier you can trust. Thames Valley Windows has been a trusted name in double glazing in Surrey, Hampshire & Berkshire, for nearly 40 years; we have an established reputation for using the highest quality materials. We’re so confident with our products that we provide a full 10-year guarantee with every window and door installed.

up to 40% off Essential UPVC Windows

* Terms & Conditions

Offer applies to existing customers only. Offer applies to our range of Essentials Low-Cost uPVC windows, front and back doors, and French doors. Offer excludes; Existing quotations, existing orders, Evolution, Genesis, Pirnar, Solarlux, Internorm, Conservatories and Orangeries. Discount based on the list price. Minimum order £1,000 ex. VAT.

Pay less for Essentials uPVC Windows – Without Compromise

Our Essentials range is a simple choice of low-cost uPVC windows and doors. They offer energy efficiency, security and are virtually maintenance-free, that ensures you’ll feel pleased about your choice for many years to come.

Essentials Low-cost uPVC Windows and doors aren’t about compromise. It’s about excellence: in quality, style and service. All the fine details that are important to you to ensure you get the very best products for your home at affordable prices.


‘Essentials’ is our entry-level uPVC windows and doors, manufactured in the UK from durable uPVC. Unbeatable quality to last a long time and stand up to all weather extremes while delivering exceptional thermal performance.

Our Essentials range offers uPVC at low-cost prices, ideal for home improvements on tighter budgets. We’ve done away with added packaging and features that may not be ‘essential’ to everyone. We want to help make your shopping experience as straightforward as possible. Sometimes, that means simplifying our range of products and choice of accessories.

Essentials Low-Cost uPVC Windows Styles

With a choice of double-glazed casement, tilt and turn, and sliding sash windows, there is an affordable double-glazing solution for every style of property from contemporary to traditional.

The distinctive styling of low-cost uPVC windows includes elegant slimmer window frames to maximise the area of glass that lets natural light flood into your home.

The casement profile is 70mm front to back, and sliding sash profile is 133mm which is the ideal width for most houses throughout Berkshire, Surrey, and Hampshire.


Standard – 28mm Plain or decorative double-glazed windows to U value 1.4 (A-rated). Choose the right type of glass to change the way light can make your home more spacious, protect your privacy and reduce heating bills.

Essentials uPVC Door Styles

With a choice of uPVC Front, back or porch doors, to sliding, bi-fold and French doors with highly secure locking systems for modern and classic homes. For entrance doors choose from a full panel or half-panel door styles, to bring extra light into your home.


White is still the most popular colour for low-cost uPVC windows. However, we offer a standard range of colours and exterior foil finishes


We offer a standard collection of handles, hinges, letter plates and knockers in a range of colours and finishes for the perfect finish that make a house feel like a home.


Essentials have a complete range of low-cost uPVC windows and doors accessories. these have been designed with just the right proportions to complement your windows and doors. We also provide a choice of sills to finish any installation to the highest standard.


Home security and safety are our priority. Our low-cost uPVC windows and doors, are as secure as they are stylish. Featuring robust multi-chambered uPVC with welded joints for added strength and the most advanced security features and locking system on the market to give you the peace of mind that your property is Secure by Design.

Energy Efficiency

In today’s world of energy consciousness, recycling and sustainable home design, we are proud to confirm our low cost windows and doors achieve a high A+ energy rating, saving you money on heating bills.

Building Regulations

Essentials low-cost uPVC windows and doors profile has achieved accreditation from the British Standards Institute (BSI) of BS7950 and PAS 23 / 24 for weather performance and ‘Secured by Design’. They easily pass all the requirements of EU and UK Building regulations so that you can have complete peace of mind as to the quality of their products.

Delivery Times

With a primary collection of window and door styles, the Essentials uPVC range ensures faster lead and installation times and exceptional value all round.


Survey and Installation are standard on all orders we also offer supply-only options on all Essentials uPVC window and door orders.


We offer different prices and discounts on window and door orders depending on volume, contact us to discuss the options.

Essentials window frames and door systems are made in Great Britain by Halo extrusion who have been in business since 1970. Their systems are used by housebuilders, contractors and commercial developers, they are proven and are trusted for both the quality of manufacture, materials and design.


We always recommend customers come and visit us at our Bracknell showroom, as this allows you to get up close and personal to the various colours, designs and styles we offer and helps you properly understand which products will best suit your home.

What Will It Cost?

Our low-cost uPVC window and doors in Surrey, Hampshire & Berkshire are made to measure, so we can offer standard and custom window sizes. Therefore, giving you a quote before speaking to you or seeing your home, isn’t possible. However, we can give you the following commitments:

  • Our prices for a like-for-like replacement uPVC window will be very competitive
  • Our designers are there to help and advice.
  • We provide you with a full breakdown quotation, giving you complete visibility and no hidden extras
  • Faster delivery times
  • With more than 30 years’ experience, BSI accreditation and ISO 9001 certification, you can be assured that your home will be in very safe hands with Thames Valley Windows
  • Our overall aim is to provide value for money

40% for 40 days – 40th Birthday Anniversary Offer

40% off for 40 days!

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