Made in the UK
40 Year Heritage
Unique Patented Products
Extensive Warranties
Improve Your Property's Charm with Authentic, Energy-Efficient Sash Windows
Discover the perfect blend of traditional craftsmanship and modern performance with our single hung timber sash windows. Ideal for period properties, conservation areas, and homeowners seeking classic style with contemporary benefits.
- Authentic period aesthetics
- Superior energy efficiency
- Handcrafted in the UK
- Bespoke designs available
- Enhanced security features
- Excellent noise reduction
Sash Window Features
What makes our single hung timber sash windows unique?
Patented perimeter sealing system
Bespoke Georgian, Victorian & Edwardian designs
Premium timbers, glazing & hardware
Custom fit to your property with care
Local expertise, national coverage
Authentic Design
Our single hung timber sash windows are meticulously crafted to replicate traditional designs, perfect for period properties or those seeking a classic aesthetic. The upper sash remains fixed while the lower sash moves vertically, maintaining the charm of original sash windows. Each window is made to measure, ensuring a perfect fit and authentic look for your property.
Energy Efficiency
Despite their traditional appearance, our windows incorporate modern insulation techniques. The high-quality timber, combined with optional double or triple glazing, significantly improves your home’s thermal performance, potentially reducing energy bills. Our windows can achieve U-values as low as 1.4 W/m²K with triple glazing, exceeding current building regulations.
Noise Reduction
The robust construction and advanced glazing options provide excellent sound insulation, creating a quieter, more peaceful home environment. This is particularly beneficial for properties in urban or high-traffic areas.
Smooth Operation
We use a state-of-the-art spring balance system to ensure effortless operation of the moving sash, eliminating the need for traditional weights and pulleys. This modern approach maintains the classic look while improving functionality and freeing up space within the box frame for additional insulation.
Draught-Proofing
Our proprietary Ventrolla Perimeter Sealing System (VPSS) effectively eliminates draughts, enhancing comfort and energy efficiency. This innovative system can be retrofitted to existing windows during renovation projects.
Security
Each window is fitted with high-security locks as standard, providing peace of mind without compromising on aesthetics. We offer optional laminated glass and additional security features for extra protection.
Low Maintenance
Our factory-applied finishes are designed for longevity, reducing the need for frequent repainting. The timber is treated with preservatives and micro-porous paints or stains, allowing the wood to breathe while protecting it from the elements.
Sustainable Choice
We source our timber from FSC-certified forests, ensuring environmental responsibility. The longevity of our windows also contributes to sustainability by reducing the need for frequent replacements.
Pricing
Our single hung timber sash windows are bespoke products, with pricing dependent on size, timber choice, glazing option, and finish.
Most Popular Options
- Classic Georgian: White painted finish, slim double glazing. Perfect for maintaining a traditional look while improving energy efficiency.
- Modern Performance: Accoya, anthracite grey painted finish, triple glazing. The ultimate choice for combining traditional aesthetics with cutting-edge performance.
- Urban Townhouse: Sapele, dark stained finish, acoustic double glazing. Excellent for period properties in noisy city locations.
Dont want to buy new?: Single Hung Timber Sash Windows Renovation
Enhance the elegance and performance of your Single Hung Timber Sash Windows with Ventrolla’s renowned sash window renovation services. Why replace when you can restore?
- 40-Year Heritage
- Nationwide Coverage
- Expert Craftsmanship & Patented Products
- Energy-efficient solutions
- Extensive Warranties for Peace of Mind
Our skilled craftsmen specialize in transforming draughty, rattling, or inefficient single hung timber windows into energy-efficient, beautifully restored originals. From the Ventrolla Perimeter Sealing System to glazing upgrades, we bring the charm and functionality back to your windows.
Our Process
Consultation
The Ventrolla journey begins with a discussion with a member of our team and/or a detailed home or site design survey, to explore your ideas & devise a bespoke plan of action.
Estimate
Once our team have finalised the plans, we will provide a comprehensive estimate for your works. Enquiry to estimate typically takes between 5 and 10 working days.
Design
Ventrolla fuse traditional skills with modern technology. If you require new joinery, creating your unique product begins in our UK-based manufacturing facility, and takes between 6 and 10 weeks.
Installation
The utmost care is taken to deliver quality products and renovation works that exceed our customers’ expectations. Varying from area to area, Ventrolla lead times depend on how busy we are, and the work required. On average, our installation team will be on site between 6 to 18 weeks from the date your order is placed. We will advise guide installation dates when you place your order.
Aftercare
Our customers come back time and time again – when they move or if they’ve phased their works – all thanks to our exceptional customer service and after care. In the unlikely event that your Ventrolla products require expert attention, we’re always on hand.
Guarantee
Renowned for delivering outstanding quality, all our work comes with a minimum 5-year guarantee (subject to terms), for absolute peace of mind.
Product Options
- Timber Types and Finishes
- Glazing Options
- Window Furniture
- Specifications
Timber Types and Finishes
- European Oak: Durable and attractive, perfect for traditional aesthetics
- Accoya: Modified timber with exceptional durability and stability
- Sapele Mahogany: Rich colour and grain, ideal for stained finishes
- Engineered Redwood: Cost-effective option with good stability
Finishes:
- Painted (any RAL colour): Fully customisable to match your property
- Stained: Enhance the natural beauty of the timber
- Primed: Ready for on-site painting
Glazing Options
- Single glazing: For listed buildings or strict conservation areas
- Double glazing: Excellent balance of thermal and acoustic performance
- Slim double glazing: Enhanced insulation while maintaining a traditional look
- Triple glazing: Maximum energy efficiency and sound insulation
Window Furniture
Exquisite timber sash window ironmongery hand forged using traditional skills
Compromising on quality simply isn’t an option at Ventrolla, which is why we source our sash window furniture from the very best that the industry has to offer.
Retaining the character of your new sash windows in every aspect, our classic collection of fittings includes quality sash locks, sash lifts, sash stops, D Handles, travel restrictors, tilt knobs, and pole eyes. With a diverse range of finishes, from polished brass sash lifts to antique brass Brighton catches, and chrome plate ring sash eyes to satin nickel sash restrictors, breathing new life back into your heritage home is easy with Ventrolla.
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Specifications
Specs
Colours
Finish
Material
Shape
Length
Width
Height
Warranty Description
CAWS
Single Hung Timber Sash Windows
Beige, Black, Blue, Bronze
Brown, Copper, Cream, Gold
Green, Clear, Grey, Ivory
Orange, Pink, Purple, Silver, Red
Turquoise, Yellow, White, Other
Painted
Timber
Circle, Crescent, Diamond, Elliptical
Hexagon, Kite, Octagon, Oval
Parallelogram, Pentagon, Rhombus, Rectangle
Square, Trapezium, Trapezoid, Triangle, Other
Bespoke
Bespoke
Bespoke
5 years
L10/10 Wood windows
L10/210 Wood windows
Frequently Asked Questions
Why Choose Our Single Hung Timber Sash Windows?
Opting for our single hung timber sash windows means choosing a perfect blend of tradition and innovation. With over 30 years of experience in crafting bespoke windows, we offer:
- Unparalleled craftsmanship and attention to detail
- A wide range of customisation options to suit any property
- Advanced performance features for energy efficiency and security
- Compliance with conservation area and listed building requirements
- Expert installation and aftercare services
- Competitive pricing and flexible payment options
Are these windows suitable for conservation areas?
Yes, our single hung timber sash windows are often approved for use in conservation areas and listed buildings. We can provide specific designs to meet local planning requirements, including single glazing and traditional joinery details.
How long will these windows last?
With proper maintenance, our timber sash windows can last for decades. We offer a 30-year guarantee on Accoya frames and a 10-year guarantee on other timber types. Many of our windows have been in place for over 50 years and are still performing excellently.
Do you offer installation services?
Yes, we have a team of experienced fitters who can install your new windows. All our installers are FENSA registered and undergo regular training to ensure the highest standards. Alternatively, we can supply windows for your own installer to fit.
How do I maintain my timber sash windows?
Regular cleaning with a soft, damp cloth and occasional light oiling of the hardware is usually sufficient. We recommend repainting or re-staining every 7-10 years, depending on the finish and exposure. Detailed care instructions are provided with every purchase.
Can these windows be customised to match existing windows?
Absolutely. We specialise in creating exact replicas of existing windows, matching everything from the moulding profiles to the glazing bar patterns. Our team can conduct a detailed survey to ensure a perfect match.
Testimonials
“The single hung sash windows from this company have transformed our Victorian terrace. They look absolutely authentic but perform like modern windows. The noise reduction is incredible, and our home feels so much warmer. Couldn’t be happier!” – Sarah T., London
“As an architect specialising in period restorations, I always recommend these single hung timber sash windows to my clients. The quality and attention to detail is unmatched. They’ve never let me down on a project.” – James R., Architect, Bath
“We were worried about replacing our old sash windows due to strict conservation rules, but this company made the process so easy. They worked with the local conservation officer and produced windows that are indistinguishable from the originals, but so much more efficient. Brilliant service!” – Emma and John P., York
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