20% OFF
Take advantage of our exclusive online offer
Timber Sliding Sash Windows
Timber windows that blend classic aesthetics with cutting-edge energy efficiency, security, and durability. Custom-built for your home, our wooden windows offer:
Bespoke Design – Choose from a variety of bar styles, ironmongery, and single or dual-colour finishes.
Exceptional Energy Efficiency – U-values as low as 1.2 W/m²K (double-glazed) and 0.8 W/m²K (triple-glazed), exceeding 2023 building regulations.
Sustainable & Durable – FSC® & PEFC-certified timber, ensuring eco-friendly, long-lasting performance.
Premium Bespoke Timber Windows
Upgrade your home with beautifully crafted timber windows that blend classic aesthetics with cutting-edge energy efficiency, security, and durability. Custom-built for your home, our wooden windows offer:
Bespoke Design – Choose from a variety of bar styles, ironmongery, and single or dual-colour finishes.
Exceptional Energy Efficiency – U-values as low as 1.2 W/m²K (double-glazed) and 0.8 W/m²K (triple-glazed), exceeding 2023 building regulations.
Sustainable & Durable – FSC® & PEFC-certified timber, ensuring eco-friendly, long-lasting performance.
Low Maintenance & Built to Last – A 60+ year lifespan with a 10-year warranty.
Get Your FREE Quote Today!
Fill out your details below!
Get Your FREE Quote Today!
Fill out your details below!
20% OFF - Limited Time Offer
316,375
Timber windows & doors supplied
22,146
m³ certified sustainably sourced timber used
Friendly & Professional
Our team deliver the best customer service levels in the industry
97%
Of Customers Recommend Bereco
316,375
Number of timber windows & doors supplied
22,146
m³ certified sustainably sourced timber used
Friendly & Professional
Our team deliver the best customer service levels in the industry
97%
Of our customers recommend Bereco
Benefit from our time-limited exclusive online offer*
20% OFF
4.9
5.0
4.9
Flush Casement Timber Windows
Experience the perfect fusion of traditional charm and modern innovation with our bespoke flush casement timber windows. Crafted from sustainably sourced timber, these windows feature a sleek, flush finish that enhances your home's façade while delivering exceptional energy efficiency and robust security. Ideal for both period and contemporary properties, they offer a refined aesthetic with practical performance.
Sleek Flush Finish: Creates a seamless, modern look.
Advanced Glazing: Superior energy efficiency with double or triple glazing.
Robust Security: Multi-point locking systems for enhanced protection.
Bespoke Customization: Tailor finishes, glazing, and hardware to your style.
Sustainable Craftsmanship: Made from responsibly sourced timber for lasting durability.
Sliding Sash Windows
Rediscover timeless elegance with our sliding sash timber windows, designed to blend classic heritage style with modern performance. Perfect for period properties and conservation areas, these windows capture the essence of traditional design while incorporating innovative features. Enjoy easy maintenance, enhanced insulation, and fully customisable options that allow your home’s character to shine.
Heritage Design: Timeless sliding sash style perfect for period homes.
Superior Insulation: Advanced glazing options for energy efficiency.
Easy Maintenance: Innovative tilt-in mechanism for effortless cleaning.
Customisable Aesthetics: Choose from a range of finishes and hardware.
Enhanced Security: Built with robust locking systems for lasting safety.
Why Choose Bereco?
At Bereco we believe in ‘delivering the difference’ in all that we do. From the superior quality of the timber windows and doors we supply to the friendly and professional service that we offer, we are extremely proud to say that 97% of our customers would recommend us.
Our Timber Windows Don't Cost The Earth
Research suggests that wooden window frames have the lowest embodied carbon of any window material. Compared to uPVC windows which are 110kg CO²e and aluminium windows at 161kg CO²e, timber is just 85kg CO²e.
Energy Efficient
Our energy saving window and door designs featuring high performance glazing which achieves U-values that are 15% better than the current building regulations. Averaging a three bedroom home saving up to £530 on heating bills per year.
Helping The World's Forests Grow
To help fight against deforestation, we consciously choose to supply wooden windows and doors made only from certified sustainably sourced redwood and hardwood timber.
Invest In Your Home
Timber windows have the lowest lifetime cost in comparison to uPVC windows but they last twice as long, with a life expectancy of 60 years compared to just 25-35 years for uPVC.
Join 1000's Of Happy Customers
As Seen In
Still Unsure? Check Our Reviews
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec pharetra leo nisi, et euismod quam luctus in.
Still Unsure? Check Our Reviews
See What Our Clients Are Saying About Their Experience with Us
Get Your Free Consultation
Fill out the form below with your details and see how Bereco can help you achieve your home's potential
FAQ's
Can you match the design of my existing windows?
Yes, we can. If you see a particular window design that you like or if you’re looking to replace your current windows but want to keep the same design then please let us know with your enquiry and we will do the rest.
How do I know what style of window will suit my house?
We offer a wide range of custom options to suit all types of properties. Take a look at our Instagram and Pinterest pages for inspiration.
Are you a homeowner looking for timber windows for your own property? Contact us now to book a consultation with our team and we can overlay visuals of your bespoke windows onto photos of your property!
Do you have samples?
Samples of our products are available to view at our South Yorkshire showroom.
How long do timber windows last?
Timber windows have a life span of up to 60 years, while your average UPVC windows would probably last less than 20 years. When maintained properly your wooden windows can efficiently withstand wear and tear (weathering) and last for a lifetime.
Our past projects
Since we first launched we have been supplying and installing high-quality, beautifully bespoke timber windows and doors to properties across the UK.
Whether you're a homeowner on the hunt for replacement windows and doors, or you're a house-builder or developer looking for fantastic products for your project, we can help.
Our past projects
Since we first launched we have been supplying and installing high-quality, beautifully bespoke timber windows and doors to properties across the UK.
Whether you're a homeowner on the hunt for replacement windows and doors, or you're a house-builder or developer looking for fantastic products for your project, we can help.
FAQ's
Can you match the design of my existing windows?
Yes, we can. If you see a particular window design that you like or if you’re looking to replace your current windows but want to keep the same design then please let us know with your enquiry and we will do the rest.
How do I know what style of window will suit my house?
We offer a wide range of custom options to suit all types of properties. Take a look at our Instagram and Pinterest pages for inspiration.
Are you a homeowner looking for timber windows for your own property? Contact us now to book a consultation with our team and we can overlay visuals of your bespoke windows onto photos of your property!
Do you have samples?
Samples of our products are available to view at our South Yorkshire showroom.
How long do timber windows last?
Timber windows have a life span of up to 60 years, while your average UPVC windows would probably last less than 20 years. When maintained properly your wooden windows can efficiently withstand wear and tear (weathering) and last for a lifetime.
© 2025 Bereco Group Limited All rights reserved.
Privacy Policy | Terms & Conditions