Timeless Elegance

Authentic Sash Windows

Experience the perfect blend of traditional charm and modern performance with our premium sash windows. Classic aesthetics meet contemporary engineering for lasting beauty and functionality.

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Key Features

Traditional sash window with authentic design details

Authentic Design

Meticulously crafted to capture the authentic look of traditional timber windows while offering modern performance and low maintenance.

Sash window demonstrating smooth sliding operation

Smooth Operation

Precision-engineered sliding mechanisms ensure smooth, effortless operation year after year, with durable components built to last.

Energy efficient double glazed sash window

Energy Efficient

Advanced double glazing and precision seals provide excellent thermal performance, reducing energy costs and enhancing comfort.

Precision Engineered
Maintenance-Free
HERITAGE AUTHENTICITY

Period-Perfect Detailing

Slim Frames with Horn Details

Slim profile frames mimic traditional timber looks with modern thermal efficiency. Select authentic horn details, like through horns, for genuine Georgian and Victorian aesthetics.

No External Projection

The design maintains a clean external appearance vital for conservation areas. Sashes operate fully within the frame, ensuring period architectural integrity alongside modern performance.

Easy-Clean Tilt Function

The bottom sash safely tilts inward for easy interior cleaning. This convenience maintains security and eliminates external access needs, ideal for upper floors and restricted areas.

Improved Ventilation Control

Both sashes open independently. Bring cool air in through the top while keeping the bottom closed for security. This traditional method ensures optimal airflow control and comfort.

HERITAGE COMPLIANCE

Conservation Area & Listed Building Approved

Our sash windows meet the stringent requirements for heritage properties under the 2025 Building Regulations and Planning Guidelines

Conservation Area Compliance

Our sash windows are specifically designed to meet the strict visual and technical requirements for properties in designated conservation areas.

Authentic Visual Impact

Maintains traditional sightlines and proportions required by conservation officers

Material Authenticity

uPVC woodgrain finishes that replicate traditional painted timber appearance

Planning Permission Support

We provide technical drawings and specifications for planning applications

Heritage Officer Approved

Accepted by local authority conservation officers across England

Listed Building Regulations 2025

Compliant with the latest requirements for Grade I and Grade II listed properties under the 2025 Building Regulations.

  • Section 5.12 Compliance

    Meets requirements for like-for-like replacement in listed buildings

  • Historic England Guidelines

    Adheres to "Energy Efficiency & Historic Buildings" guidance 2024

  • Material Sensitivity

    Appropriate material choices that respect historic fabric

  • Reversible Installation

    Installation methods that allow future restoration to original state

  • Heritage Impact Assessment

    We provide comprehensive documentation for listed building consent

2025 Regulation Updates

Under the latest 2025 Building Regulations, heritage properties now have specific allowances for improved energy efficiency while preserving historic character. Our sash windows meet these updated standards through:

  • Enhanced thermal performance (U-values down to 1.2 W/m²K)
  • Improved air permeability (≤1.5 m³/h.m²)
  • Heritage-appropriate double glazing options
  • Traditional appearance with modern performance
  • Compliance with Part L Conservation exemptions
  • Meeting local authority conservation requirements

Advanced Balance Systems

Choose from our precision-engineered balance mechanisms designed for effortless operation and decades of reliable performance

Spiral Balance System

Advanced coiled steel mechanism that provides superior weight distribution and ultra-smooth operation for heavy sashes.

  • Ideal for large, heavy sashes up to 40kg
  • Precision weight distribution
  • Zero maintenance required
  • Temperature-resistant performance
  • 30+ year operational lifespan

Technical Specifications:

Max Weight:
40kg per sash
Operation:
Butterfly smooth
Recommended for period properties with original large sashes

Spring Balance System

High-tensile stainless steel springs factory-calibrated to exact sash weight for a silent and effortless operation.

  • Factory-calibrated to exact weight
  • Fully enclosed dust-free mechanism
  • Consistent tension for decades
  • Virtually silent operation
  • Compact design for slim frames

Technical Specifications:

Max Weight:
25kg per sash
Operation:
Whisper quiet
Perfect for modern renovations and standard sash sizes
Expert Installation

All balance systems are professionally installed and precision-calibrated by our certified technicians.

Professional Assessment

Free on-site evaluation to determine the optimal balance system for your specific windows and usage patterns.

Lifetime Support

Ongoing technical support and maintenance guidance throughout the lifespan of your windows.

Traditional Colour Finishes

Choose from our extensive range of heritage colours and woodgrain foils to perfectly complement your property's period style. Our finishes offer authentic aesthetics with modern durability.

Select from traditional heritage colours or opt for dual-colour combinations with a period-appropriate exterior finish paired with a crisp white interior for timeless elegance.

View All Colours
Sash window in various traditional colour options
Traditional White
Cream
Rosewood
Golden Oak
Chartwell Green
Dark Oak
Slate Grey
Black
Sash window with traditional glazing bars
Georgian Bars
Traditional Grids
Astragal Bars
Authentic Detail
Lead Effect
Period Appearance
Clear Glazing
Modern Performance

Traditional Glazing Options

High-efficiency glass combined with authentic Georgian bars and lead detailing offers a timeless blend of sophistication and functionality.

Whether you prefer the authentic look of traditional glazing bars or modern clear glazing for maximum light, our sash windows can be customized to match your property's character while providing excellent energy performance.

Explore Glazing Options

HERITAGE LOOKS

Traditional Hardware

Period-appropriate sash locks and sash horns providing traditional aesthetics with modern security standards.

Heritage Hardware
Window Tilt Knob
Tilt Knob
Window Sash Lift
Sash Lift
Window Globe-lock
Globe Lock
Window Pole Eye
Pole Eye
Sash Horns Options
Window No Horn
No Horn
Window Through Horn
Through Horn
Window Plant On Hornk
Plant On Hornk

Frequently Asked Questions

With appropriate glazing, they can significantly reduce noise infiltration, providing a quieter indoor environment perfect for urban locations.

Properly maintained sash windows can last for decades, with durable materials and modern construction methods ensuring long-term performance and reliability.

Absolutely! Their classic design often makes them an ideal choice for conservation areas, preserving architectural authenticity while meeting modern performance standards.

Yes, when equipped with modern locking systems and durable materials, sash windows offer excellent security features while maintaining their traditional appearance.

Discover our products, services, and company values in our comprehensive brochure.

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Our Customer Rating

Trustpilot 4.6 out of 5
Garry Jones

Always deliver good quality products. I've used Maple windows over 10 years and always been happy with them. Highly recommended by me.

Ishtiaq Hussain

Excellent service from consultation to fitting. Maple windows are definitely the people to go to for your double glazing. Will 100 percent use again. Customer service team were always at hand to help.

Sonal Solanki

Maple installed aluminium bifold door with blind glass a week ago at my property. I got recommended by one of my friends and I love the door, really good quality and the service is nice with affordable price compared to others. Highly recommend this company.

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Traditional Design

Authentic period aesthetics that enhance traditional properties while meeting conservation area requirements.

Energy Efficient

Advanced double glazing and precision seals provide excellent thermal performance, reducing energy costs.

Modern Security

Contemporary locking systems provide excellent security while maintaining traditional appearance.

AUTHENTIC

Sash Windows

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