Internorm is Europe’s market-leading manufacturer of high-quality uPVC, uPVC/aluminium, and timber/aluminium windows and doors.
All tilt-and-turn windows are triple-glazed as standard. They offer exceptional thermal performance, enhanced security, excellent acoustic insulation of up to 47 dB, and ultra-low u-values of 0.6 W/m²K, making Internorm’s windows energy-saving.
With various styles and finishes available, Internorm glazing solutions seamlessly integrate with any architectural design. They are a trusted brand for architects, builders, and homeowners across the Southeast because they manufacture highly thermally insulating window systems for passive houses, self-builds, retrofit extensions, and home renovations.
To see a selection of Internorm’s window and door systems, please visit our Bracknell showroom or download a brochure. You may also be interested in reading our blog, ‘Why Choose Internorm Windows and Doors?’
Internorm windows and doors offer:
To meet the rising demands on design, technology, quality, and comfort, Internorm has developed a series of revolutionary I-Tec innovations and technologies that are the perfect additions to Internorm windows and doors.
The Internorm studio window’s design follows a very clear line. Its cutting-edge shapes and diminished appearance give it a contemporary, minimalist aesthetic to your home and putting it ahead of architectural trends.
The mostly surface-flush studio window and door systems can be integrated entirely into the wall, giving a frameless appearance with only the glass remaining visible.
Studio design windows and doors offer a wide range of materials to choose from, including uPVC, uPVC/aluminium, and timber/aluminium. allowing you to create the perfect look for your home.
They can be square-edged or flush sashes with straight-lined window handles and flat keyhole cover plates to emphasise the minimalistic appearance.
While the Studio system is not limited to Passivhaus or eco-builds, it’s the top choice for architects and property developers for energy-efficient large-scale glazing and fixed windows. With best U-Values up to 0.69.
Flush Internorm windows and entrance doors are the number one choice for triple glazing and complement contemporary buildings perfectly.
Inside view, available in:
uPVC/timber in white
Timber in any RAL colour
Timber in varnished and opaque standard colours
Outside view, available in:
uPVC in white
Aluminium clad in highly weather-resistant colours.
Aluminium clad in a wide choice of RAL colours.
Internorm Home Pure windows and doors meet the demands of a modern, straight-lined style.
They exude sleek lines and simplicity, allowing maximum natural light and enhancing interior ambience, creating harmonious living spaces.
The Home Pure window design style is highly sought after by homeowners who appreciate architectural excellence and a balanced lifestyle.
Designed with premium materials, the modern square-edged sashes and simple handles emphasise the modernistic architecture and enhance the visual dynamics, making it a discerning choice for any contemporary interior.
The Internorm Home Pure range has been designed to achieve maximum U-Values of 0.69 and a dB rating of up to 46.
The Home’s Pure range offers handles, sun protection, doors, and large-scale elements that amplify the sense of elegance and timelessness.
The Home Pure window frame focuses on simplicity and functionality to enhance the beauty of your architecture. These high-quality Internorm windows with simple, straight lines and a modern design combine minimalism and contemporary design elements.
With achievable U-Values, the Home Pure range would greatly benefit any residential or commercial project.
Inside view, available in:
uPVC/timber in white
Timber in any RAL colour
Timber in varnished and opaque standard colours
Outside view, available in:
uPVC in white
Aluminium clad in highly weather-resistant colours.
Aluminium clad in a wide choice of RAL colours.
Internorm Home Soft Window system offers many design varieties and countless window shapes: round, segmented, basket, or pointed arch with Georgian feature bars. These shapes enhance a unique charm and radiate cosiness and harmony, making your home welcoming and comfortable.
The Internorm Home Soft’s most definable aesthetic is its slightly rounded edges on the window sash, which offer a delicate design that captures the eye and has a natural, relaxed feel.
These soft lines create a nostalgic feel that adds a calming sense of tranquillity to the atmosphere, radiating harmony and cosiness.
The cosiness and warmth of our timber-aluminium windows and the modern rounded edges of our UPVC/aluminium windows meet your needs for a harmonious living style.
Home Soft windows and entrance doors offer triple glazing as standard, and these Internorm windows provide the best thermal performance, achieving exemplary U values of up to 0.69. W/m2K and sound reduction of up to 45dB
Explore various window design styles under the studio, home pure, and ambiente categories. Each style offers unique features and aesthetics, allowing you to find your home’s perfect windows and doors.
Inside view, available in:
uPVC/timber in white
Décor foils for uPVC surfaces in different colours
Timber in all RAL colours, as well as varnished and opaque standard colours
Outside view, available in:
uPVC in white
Aluminium clad in many colours.
Aluminium clad in structured timber décor colours.
Internorm ambiente Windows stand out with their traditional shapes and elegant period features, which make an impact from the outside and inside. Their elaborate composition conveys a homely feel—perfect if your property or style fits art nouveau, traditional, classic, or elegant country estate.
There has been a recent surge in the popularity of traditional period windows for home renovations, with homeowners looking to add a touch of classic charm to their property.
Traditional period windows have surged in popularity recently for home renovations, with homeowners looking to bring a touch of classic character back into their homes.
Bold profiled edges, rounded chrome or polished brass handles, and Georgian feature bars and window shutters are elegant features of older homes and an easy way to accentuate them.
These window accessories will enhance the period features, breathe new life into the living space, and showcase its rich heritage.
The luxurious elegance of the ambiente range responds more sympathetically to traditional properties, offering sculptured surfaces that produce a more ornate and detailed design. Although traditional in appearance, the ambiente is far from conventional in its performance, as only an Internorm window system can be.
Our triple-glazed composite windows are versatile, available in various materials, including timber/aluminium clad and uPVC/ aluminium clad.
Period handles, sun protection, doors and large-scale elements are also available in the ambiente range.
Inside view, available in:
uPVC/timber in white
Décor foils for uPVC surfaces in different colours
Timber in all RAL colours as well as varnished and opaque standard colours
Outside view, available in:
uPVC in white
Alu clad in many colours.
Alu clad in structured timber décor colours.
Internorm’s award-winning uPVC windows. All uPVC profiles are manufactured in Austria in state-of-the-art facilities, guaranteeing the highest quality UPVC windows.
uPVC windows are named using the letters KF. The K stands for Kunststoff, the German word for plastic, and the F is for Fenster, the German word for window. Where there are integrated blinds, the F is replaced with a V for Venetian, which is Venezianisch in German.
With multiple profile options and design styles, they’re a practical and cost-effective solution for contemporary living.
It is available in standard white, with a range of foil finishes, or the more recently introduced I-tec Décor print option.
The sashless KF 520 window, with its innovative glass design and minimalist aesthetic, is a high-performance uPVC window system that offers excellent thermal Insulation and sound reduction.
The window sash is nearly invisible from the outside. Its uninterrupted, seamless glass aesthetic creates the illusion of a fixed window.
The KF 520 combines innovative design and advanced technology. The sash features the revolutionary I-tec Secure as standard.
The KF 410 is a high-performing uPVC window with a classic and versatile design. It offers exceptional thermal Insulation, sound reduction, and interior customisation options.
Available in three design styles—Home Soft, Home Pure, and Ambiente, offering flexibility to suit a range of traditional and contemporary properties
Designed for a clean and unobtrusive look, the flush transition of frame and sash combines KF 410 into one unit.
When the narrow, square-edged sash frame is rendered into the brickwork on three sides, only the narrow, square-edged sash frame remains visible.
The KF 320 features a slim, square-edged frame that combines minimalist design and advanced technology in a high-performance uPVC window system with excellent thermal Insulation and sound reduction.
The frame is nearly invisible from the outside as it is completely concealed, creating a seamless, frameless, minimalist aesthetic that gives the illusion of fixed glazing but is designed as an openable window.
The KF 310 is a cost-effective window system that combines a clean, traditional window design with modern 21st-century energy and security performance. Its rounded sash and frame edges create a soft, timeless look.
Designed for strength and security and manufactured from high-quality, durable, low-maintenance uPVC material.
The six-chamber frame profile offers outstanding thermal Insulation and sound reduction values.
The KF 310 is also available as a uPVC-aluminium window
The Internorm KS 430 Lift and Slide door offers superb thermal insulation of up to 0.64 W/m²K, making it suitable for any project, including passive house.
uPVC-aluminium composite windows are available in a wide selection of standard colours, timber, and metallic finishes.
The low-maintenance, hard-wearing, and powder-coated aluminium cladding is available in hundreds of RAL colours, including marine grade.
KV 440 is a flush uPVC-aluminium window with integrated Venetian, Roman, or Duette blinds for enhanced privacy and sun protection.
The Internorm KV 350 window combines superior thermal Insulation and sound reduction with integrated blinds. The blinds are fitted between the panes, protecting them from dirt and damage.
Access to the blinds is easily achieved by simply opening one of the hinged panes. The blinds can be operated manually or via a smartphone—perfect for when you’re not at home but want to appear to be.
The new, sleek, minimalist KF 520 combines innovative design with state-of-the-art technology and contains the revolutionary locking I-tec Secure system.
The frame is nearly invisible from the outside as it is fully concealed, creating a seamless, frameless, minimalist aesthetic that gives the illusion of fixed glazing but is designed as an openable window.
The KF 410 has four design styles—Studio, Home Pure, Home Soft, and Ambiente. It offers flexibility and aesthetics to suit contemporary and traditional interiors. Advanced I-tec Insulation provides continuous frame insulation for comfort and energy efficiency.
Internorm’s KF 410 uPVC/aluminium composite window consists of a reinforced uPVC profile, highly thermally efficient insulating foam, and weatherproof powder-coated aluminium cladding.
Highly weather-resistant and virtually maintenance-free, the slim Internorm KF 410 window is a wise choice for your home.
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The Internorm KF 310 window is available in uPVC only or uPVC with weather-resistant powder-coated aluminium cladding. The narrow, square-edged window frame gives the impression of fixed glazing, but the window can be opened. The frame can be rendered on three sides for a frameless appearance. The glass pane is bonded, giving it excellent stability, thermal Insulation, and security.
Timber/Aluminium WindowsInternorm timber/aluminium composite windows are a highly popular choice among homeowners.
The H stands for Holz, the German word for wood, and the F stands for Fenster, the German word for window.
Internorm is known for its stunning craftsmanship and use of durable, sustainable timber and high-quality external aluminium cladding. It offers bespoke timber/aluminium composite windows that withstand all weather conditions while preserving the’ beauty, naturalness, and warmth of wooden windows.
The Internorm KV 450 window combines a flush design with high-performance, integrated blinds. Cleaning the blinds’ slats is no longer necessary.
The integrated sun protection blinds, Venetian blinds or Duette® blinds are fitted between the panes, meaning they do not get dusty. If you need to access the blinds, a hinged single pane of glass can be opened.
This is available with an aluminium frame or glass edge (Studio range). The blinds can be operated manually or via a smartphone or tablet.
Innovation is at the centre of the Internorm HF 410 timber/aluminium composite window, and the revolutionary innovation of the I-tec core and I-tec glazing are standard.
It features a laminated timber core and solid hardwood exterior, adding further strength and durability to these high-performance triple-glazed windows.
Internorm HF 410 is available in the Home Pure, Home Soft, Studio, and Ambiente styles and a range of wood finishes, including Oak, Ash, Larch, and walnut. For a vintage look, a new Grey Oak is now available.
HS 330 timber-aluminium composite lift & slide doors from Internorm look stunning and offer outstanding thermal performance, exceptional acoustic insulation and enhanced security.
Like Thames Valley Windows, Internorm is a family business, now the largest internationally active window brand.
With over 90 years in the glazing industry, passion, innovation, and quality are at the forefront of their exceptional windows and doors, which set them apart.
They have manufactured over 21 million window and door units, all made to your specifications in their ultra-modern manufacturing facilities.
Innovation keeps Internorm advancing its quality capabilities. It constantly updates its glazing products to ensure they are as energy efficient, ergonomic, and durable as possible while retaining all the sought-after qualities.
Thames Valley Windows is proud to say that we are an Internorm Distribution Partner, guaranteeing perfect product quality and the highest service levels, before, during and after installation.
You may also be interested in reading our blog, ‘Why Choose Internorm Windows and Doors?’ or Thames Valley Windows Won Not One But Two Internorm Awards
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We can provide you with full colour 3D visualisations, allowing you to explore options that you may not have considered, with complete peace of mind.
Our showroom consists of:
Thames Valley Window Company
Head Office & Showroom
44 Longshot Lane
Bracknell
Berkshire RG12 1RL
United Kingdom
Designed so you can view most of our product range, our show room will help you understand what options will work best for you and your home.
Making plans to improve your home is exciting. If you would like to download any of our product brochures, please visit our brochure download page.
