uPVC Casement Windows

Your windows play a big part in defining your home’s character. Whether you’re restoring a period property with traditional sash or heritage windows, our upgrading to sleek modern designs for a fresh, contemporary look, we’ve got th perfect style for you. Fromclassic charm to cutting-edge performance, our windows combine beauty, energy efficiency, and durability to suit every home.

Classic White uPVC
Heritage Chartwell Green

uPVC Casement Windows

Energy Efficient • Secure • Low Maintenance • Customisable Design

A-Rated Glazing • Multi-Point Locking • Made-to-Measure Precision

Classic Design, Modern Performance

Our uPVC Casement Windows combine timeless style with the latest in energy efficiency and security. Built using advanced multi-chambered profiles, each frame delivers exceptional insulation, acoustic comfort, and weather protection — all while offering effortless everyday use and elegant aesthetics.

Key Highlights

  • A+ rated energy efficiency
  • Multi-point locking for enhanced security
  • Low-maintenance uPVC – no painting required
  • Available in sculptured or chamfered profile styles
  • Double or triple glazed options

Design & Style Options

Whether you prefer traditional charm or a clean, modern look, our casement windows are available in a variety of opening styles and configurations to suit any property.

  • Top or side-hung openings with smooth operation
  • Sculptured (ovolo) or chamfered frame profiles
  • Equal sightlines for balanced aesthetics
  • Custom sizes to match new builds or period homes

Popular Configurations

  • Side-hung openers with fixed lights
  • French-style double casements
  • Bay and bow casement arrangements
  • Dummy sash options for uniform sightlines

Energy Efficiency & Security

Engineered to meet the highest standards, our uPVC casement systems keep your home warmer, quieter, and safer all year round.

  • Multi-chambered uPVC profiles minimise heat loss
  • High-performance double or triple glazing
  • Secure multi-point locking and internal beading
  • Weather-sealed for long-lasting protection

Technical Details

U-ValueAs low as 1.2 W/m²K (triple glazed)
Security RatingPAS 24 compliant (optional upgrade)
Glazing Options28–44mm double or triple glazed
Guarantee10 years on frames & hardware

Colours & Finishes

Choose from a wide palette of colours and finishes to complement your home’s architecture and interior design.

  • Classic White, Anthracite Grey, Black Ash, and Chartwell Green
  • Authentic woodgrain foils — Golden Oak, Rosewood, Irish Oak
  • Dual-colour options (different inside/outside)
  • Low-maintenance laminate finish

Popular Combinations

  • White frames with clear glazing — timeless simplicity
  • Anthracite Grey exterior / white interior — modern contrast
  • Golden Oak woodgrain — traditional warmth

Installation & Aftercare

  • Measured, supplied, and fitted by certified installers
  • Clean, professional installation with full sealing
  • 10-year workmanship & product guarantee
  • Includes removal & disposal of old windows

All installations comply with Building Regulations and FENSA requirements.

Peace of Mind

  • FENSA-registered installations
  • Fully insured work
  • UK-made profiles

Finance Calculator

Provided by Kanda Finance. Results are indicative and subject to credit assessment.
Finance subject to approval. EcoFrame Direct is a credit broker, not a lender.

Are your windows A-rated?

Yes, all our uPVC casement windows achieve A+ energy ratings as standard, keeping your home warmer and reducing heating bills.

Do they come with trickle vents?

Yes — trickle vents can be fitted to comply with current ventilation regulations if required.

Can I have them in different colours inside and out?

Absolutely. Dual-colour options allow you to match interior décor and exterior styling perfectly.

What’s the lead time?

Typical lead times are 3–4 weeks from survey, depending on configuration and colour choice.

Do they include installation?

Yes — we provide full survey, supply, and fitting with all workmanship guaranteed for 10 years.

Can you replace existing wooden frames?

Yes, our installers carefully remove old frames and fit new uPVC replacements with minimal disruption.

Design your Windows online today...

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DESIGN & DETAILING

Precision-Crafted for Everyday Style

Our uPVC casement collection blends classic British design with modern performance. Each window is made-to-measure for a perfect fit and finished with smooth, sculpted lines that complement every type of home.

  • Choice of chamfered or ovolo detailing
  • Seamless welded corners for a clean finish
  • Balanced sightlines and matching trims
  • Perfect for contemporary and traditional homes alike

PERFORMANCE

Exceptional Insulation & Lasting Comfort

Designed to perform year-round, our A-rated casement windows deliver outstanding energy efficiency — keeping homes warmer in winter and cooler in summer.

  • Advanced multi-chamber frames for thermal efficiency
  • Double or triple glazing with Low-E coating
  • Built-in weather seals for superior draft proofing
  • Reduced energy bills and quieter interiors

SECURITY & RELIABILITY

Peace of Mind, Built In

Every EcoFrame window is engineered for strength and protection, offering security that meets or exceeds PAS 24 standards.

  • Multi-point locking systems and secure hinges
  • Reinforced internal steel for durability
  • Tested to UK police-preferred standards (Secured by Design available)
  • 10-year product and installation guarantee

DESIGN FLEXIBILITY

Tailored to Your Home

From modern anthracite to traditional white or woodgrain finishes, every window is custom-made to suit your property. Choose your glazing style, hardware, and finish for a truly personal touch.

  • Over 20 colour finishes including dual-colour options
  • Decorative, obscure, and acoustic glazing available
  • Colour-matched handles and hinges
  • Survey, installation, and aftercare included

uPVC Casement Windows

Made in Britain and built to last. Tailor-made to fit your home with outstanding energy performance, security and style.

Help on Demand

LiveChat 9am–6pm, Mon–Sun • UK-based team • Fast, friendly help

Eco-Friendly uPVC Casement Windows

Reduce heat loss and your carbon footprint without compromising on design. Fully recyclable materials and sustainable manufacturing.

Classic or Contemporary — The Choice is Yours

Our uPVC casement windows are available in a wide range of durable, fade-resistant finishes designed to complement any home. Whether you prefer timeless white, subtle greys, or realistic woodgrain effects, every frame is built to last and easy to maintain.

Customise every window:

  • Wide colour palette — from White, Anthracite Grey, and Black Ash to Irish Oak and Chartwell Green.
  • Authentic woodgrain textures — traditional looks with modern durability.
  • Dual-finish options — choose one colour inside, another outside.
  • Low-maintenance surface — no painting or sanding required.
  • Weather-resistant coating — built to handle the British climate.

Security & Sustainability

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PAS 24 Tested

Enhanced security with reinforced frames, cam locks, and internal beading for peace of mind.

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Secured by Design*

Police-preferred specification available on selected ECOSlide® sash windows for maximum security.

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Energy Efficient

A+ rated glazing with U-values as low as 1.3, helping to reduce heating bills all year round.

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Recycled & Recyclable

uPVC profiles with sustainable recycled content and 100% recyclable at end of life.

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10-Year Guarantee

Comprehensive guarantee covering frames, glazing, and hardware for long-term reassurance.

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Install-Friendly

Engineered for smooth installation with consistent profiles, clearances, and easy-fit hardware.

*Secured by Design availability varies by product. Specification available on request.

uPVC Casement Windows — FAQs

Everything you need to know about our uPVC casement windows — energy efficiency, security, design options, glazing, installation, and maintenance.

Terms & conditions apply. Credit subject to status. Available on selected products.

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