Bay Windows

Create a brighter, more welcoming space with our elegant bay windows, designed to add style, character, and natural light to your home. Available in uPVC or aluminium, our bay windows combine modern performance with timeless appeal, making them a perfect fit for both traditional and contemporary properties.

Expertly installed by our team, bay windows not only enhance your home’s kerb appeal but also improve energy efficiency, comfort, and everyday living.

Bay Windows

Brighter living • Elegant kerb appeal • Energy-efficient glazing • Expert installation

uPVC or Aluminium • Made-to-measure • Double / Triple Glazed

Bring in light. Add space. Lift the look.

Our bay windows create brighter rooms and a welcoming feel while enhancing kerb appeal. Choose uPVC for great value and low maintenance, or aluminium for slimmer sightlines and a contemporary edge. Every bay is made-to-measure and installed by our team for a smooth, tidy finish.

At a glance

  • Warm, bright interiors with panoramic views.
  • Double or triple glazing with energy-efficient glass.
  • Secure multi-point locking and internal glazing beads.
  • Choice of opening vents for fresh air where you need it.
  • Wide colour and finish options to match any home.

Popular bay types

  • Splay (angled) bay – classic look that suits most homes.
  • Box bay – squared sides for a deeper window seat feel.
  • Bow window – gentle curve with multiple panels for soft lines.
  • Steel-look bay with French doors – striking, modern statement with indoor-outdoor flow.

Exact layouts and opener positions confirmed at survey.

Glazing choices

  • Low-E double or triple glazing with warm-edge spacer and gas fill.
  • Obscure/privacy options for side panels if required.
  • Acoustic or laminated security glass upgrades available.

uPVC or Aluminium – which is right for you?

FeatureuPVC BayAluminium Bay
Look & sightlinesClassic profilesSlimmer frames, modern edge
Thermal performanceExcellent multi-chamber framesExcellent with thermal break
Colours & finishesWhite + foils (e.g., Anthracite, Golden Oak)Any RAL, matt/satin/gloss, dual-colour
MaintenanceVery low – wipe cleanVery low – powder-coated, no repainting
Typical costMore budget-friendlyHigher investment

Best for traditional homes

uPVC bays with period details and foiled finishes (e.g., Golden Oak) deliver warmth and value without heavy maintenance.

Best for contemporary projects

Aluminium bays maximise glass and suit steel-look styles. Great for extensions and open-plan spaces.

Specification & options (simple)

  • Made-to-measure frames with surveyor-verified sizes.
  • Secure multi-point locking and key-locking handles.
  • Vents/trickle vents available to meet regulations where needed.
  • Cills, trims and leadwork/rooflet details coordinated as required.

Colours & finishes

  • Popular: Anthracite Grey, Black, White, Golden Oak.
  • Aluminium: any RAL, dual-colour inside/out.
  • Hardware finishes to suit your interior.

Installation & aftercare

  • Friendly survey to confirm design, sizes and opener layout.
  • Careful removal, tidy fitting and responsible waste handling.
  • Sealing and making good agreed finishes.
  • Guidance on simple upkeep; warranty pack on completion.

Most bay installations complete within 1–2 days per bay depending on access and scope.

Peace of mind

  • Product and finish guarantees (terms apply).
  • Post-install support and quick snag resolution if needed.

Finance calculator

Provided by Kanda Finance. Results are indicative and subject to assessment.

How long is lead time?

We’ll confirm current timelines on your quote. Install is then booked to suit you.

Can you match my existing colour?

Yes. We offer popular foils for uPVC and full RAL options for aluminium, including dual-colour.

Do bays improve efficiency?

Yes — modern frames + Low-E glazing reduce heat loss and drafts compared to older units.

Can I have opening side panels?

Absolutely. We’ll plan opener positions during survey for ventilation and safety.

Do you do steel-look bays?

Yes, including designs that integrate French doors for a standout feature.

What affects price?

Sizes, number of openers, glazing spec, colour/finish and any rooflet/leadwork requirements.

Design your Windows online today...

Transform your home with a wide choice of door colours designed to suit every personality and property. 

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Style

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Colour

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Hardware

Bay Window Styles—Bright, Efficient, Beautiful

Upgrade your home with uPVC or aluminium bay windows that add natural light, space and kerb appeal. Precision-built, made-to-measure frames with high-performance double or triple glazing help cut heat loss and lower bills, while multi-point locking and internal glazing beads deliver robust security. Choose classic uPVC or slimline aluminium (including steel-look options) and a wide range of colours — including dual-colour inside/out — for a finish that suits both modern and period properties. Installed by our friendly team with a tidy, stress-free process and backed by long-term guarantees.

Contemporary uPVC Bay Windows

Bright , energy-efficient bays with low-maintenance frames and great value

Brighten your living space with our modern uPVC bay windows, designed for energy efficiency and everyday comfort. With multi-chambered profiles and advanced double or triple glazing, they help reduce heat loss while keeping your home warm in winter and cool in summer. Low-maintenance and easy to clean, uPVC bays are ideal for busy households looking for style and practicality. Available in a wide choice of colours and finishes to complement any property.

Heritage uPVC Bay (Golden Oak)

Rich timber-look finish with modern security and thermal efficiency

Bring timeless charm to your home with Golden Oak uPVC bay windows. Designed to replicate the warmth of natural timber, these bays combine classic aesthetics with modern performance. You’ll enjoy authentic woodgrain textures, long-lasting weather resistance, and excellent thermal efficiency — all without the upkeep of real wood. A perfect choice for heritage homes or those wanting to add traditional character with modern benefits.

Box & Square Bay Windows

Crisp, Squared line to maximise floor space and window – seat potential

Maximise your interior space with box and square bay windows. Their crisp, straight lines create a contemporary look while opening up your room for more seating, storage, or simply a panoramic view. With outstanding thermal efficiency and secure multi-point locking, these windows offer both practicality and kerb appeal. Available in both uPVC and aluminium, with flexible glazing and colour options to suit your home.

Steel-Look Bay with French Doors

Slim aluminium sightlines with a striking indoor-outdoor feel

Make a statement with a steel-look bay combined with French doors. Slim aluminium sightlines give a striking, industrial-inspired look while allowing natural light to flood in. The addition of French doors offers seamless indoor-outdoor living, perfect for families who love entertaining or spending time in the garden. Durable, low-maintenance, and highly secure, this option blends cutting-edge style with modern performance.

Bay windows Light space and style

SECURITY

Built-in Peace of Mind

Multi-point locking, internal glazing beads and laminated glass options keep your home safe.

THERMAL PERFORMANCE

Energy Efficient by Design

Double or triple glazing and thermally broken frames give U-values from 0.8–1.4 W/m²K.

STYLES

Shapes to Suit Every Home

  • Splay Bay — angled design
  • Single-End Bay — compact style for smaller homes
  • Bow Window — gentle curved design
  • Square Bay — crisp 90° modern lines

Style Without Limits — Bay Windows

Bay windows don’t just add light — they add character. Choose a finish that suits your home, from classic whites and modern greys to authentic woodgrains. Durable, low-maintenance colours keep their look year after year.

Customise every bay:

  • Frame material: low-maintenance uPVC or slimline aluminium.
  • Any RAL colour / woodgrain foils to match period or modern homes.
  • Dual-colour finishes — one colour inside, another outside.
  • Textured & metallic effects (aluminium) for a premium look.
  • Coastal / marine-grade upgrade for properties near the sea.

Bay Windows

Bring character, charm and natural light into your home with our beautifully designed bay windows. A timeless feature for both traditional and modern homes, bay windows create extra space, maximise views and enhance kerb appeal while delivering excellent energy efficiency and security.

Help on Demand

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

Replacement Aluminium Windows

At Eco Frame Direct, our bay windows are designe to add charm, character and space to your home. A classic feature for traditional properties and a stylish addition to modern homes, bay windows bring in extra naturallight, improve views and enhance kerb appeal while delivering excellent energy efficiency and security.
Every bay window is backed by our 10-year guarantee on frames and sealed units, with flexible finance options available to spread the cost with affordable monthly payments.

* Eco Frame Direct is a credit broker, not a lender. Credit subject to status. Available on selected products. T&Cs apply.

Bay Windows FAQs

Everything you need to know about bay and bow windows – styles, structure, energy performance, installation and care.

Eco Frame Direct is a credit broker, not a lender. Credit subject to status. Available on selected products. T&Cs apply.

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.

Finance Options

Explore Our Window Styles