6-8 weeks current supply only lead time

10 year warranty, 60 year life expectancy

10-12 weeks current supply and installation lead time

Designed by you, made to measure by us

97% of our customers would recommend us

Double glazed whole window U-values as low as 1.3W/m²K

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Heritage-Inspired Design, Modern Performance

Our heritage timber windows are bespoke replacements crafted to match the design, proportions, and details of original period windows, making them ideal for listed buildings and conservation areas. Whether you’re looking for replacement sash windows for a Georgian home or traditional flush casement designs, we can help.

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Exterior shot of sliding sash window installed in red brick building. The timber window is painted white and features an astragal bar design

Authentic Design Features

Our heritage timber windows replicate the features of original period windows whilst incorporating modern improvements in energy efficiency, sound insulation and durability.

Slender Frames and Sightlines

We've engineered our heritage windows to achieve period-appropriate proportions to suit the exterior of any historical property.

Heritage & Traditional Mouldings

Choose from Heritage mouldings with internal lambs tongue profiles and external putty-style details or Traditional mouldings with internal ovolo profiles and external putty styling for a softer period aesthetic.

Elegant Window Styles

Our range includes authentic window styles such as sliding sash windows – available with traditional cords and weights or spiral balance mechanisms – and flush casement windows to suit country cottages and farmhouses.

Modern Performance

Aesthetics don't have to mean compromising on thermal efficiency or security. Our slimline double glazing options deliver excellent U-values whilst discreet high-security locking systems are concealed within traditional-looking ironmongery.

Bespoke Timber Windows For Period Properties

Owning a period property comes with unique responsibilities. Whether you live in a listed building or a conservation area, replacing your windows requires careful consideration of planning regulations, historical accuracy, and the architectural integrity of your home.

At Bereco, we specialise in creating heritage timber windows that honour the past while meeting the demands of modern living. Speak with our team today to find the perfect windows for your project – we’re on hand to provide expert advice and answer any questions about planning permissions and conservation area compliance.

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A close-up of Bereco timber windows with white frames, set in a brick wall. Red roses and green foliage climb around the windows, bathed in bright sunlight.
Sliding sash windows
Big bedroom with white sliding sash windows

Glazing Options for Heritage Wooden Windows

We offer flexible glazing solutions to meet both conservation requirements while providing optimal thermal efficiency.

Where improved thermal performance is desired and permitted, our narrow cavity SlimLine double glazing units offer an ideal compromise. All of our glazing options can incorporate traditional glazing bars or obscured glazing designs (including leaded designs like diamond, square, and Queen Anne patterns) for the perfect aesthetic fit.

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Complete Customisation for Your Heritage Windows

Every window we create is entirely bespoke to your property. Working with our design team, you can specify every detail to ensure your windows perfectly match your home’s period and architectural style.

  • Paint and stain finishes – Choose from thousands of colours in single or dual colour options, or select natural stained finishes
  • Moulding profiles – Lamb’s tongue mouldings are available on our Heritage range with Slimline glazing, and Ovolo mouldings are available on the Traditional range.
  • Glazing bar designs – Applied bars in 16mm, 25mm, 35mm, or 48mm solid bars to create Georgian, cottage, horizontal, or marginal patterns
  • Ironmongery – Period-correct handles, stays, fasteners, and lifts in 10 different metal finishes
  • Acoustic glazing – Noise reduction up to 42dB for properties in busy urban locations
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Bereco flush casement windows
Green timber flush casement windows
White house with sliding sash windows

The experts in timber windows and doors

Whether you’re a homeowner working on a renovation project for your home, an architect looking for specific windows and doors, or a trade professional building new homes and properties, we offer a tailored service to help you budget, design, and order bespoke timber windows and doors.

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Speak with an expert about your project

Working on a renovation, remodel, or self-build project? Let’s create your dream windows & doors together! Book a free design consultation, and we’ll help you find the style that best suits your home and budget — supporting you through the ordering process every step of the way.

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Heritage Timber Windows FAQs

What makes heritage timber windows different from standard timber windows?

Heritage timber windows are specifically designed to replicate the authentic features of original period windows, including lambs tongue or ovolo mouldings, slender sightlines, traditional glazing bars, and period-correct ironmongery. They meet the strict aesthetic requirements for listed buildings and conservation areas whilst incorporating modern thermal performance and security features.

Will I get planning permission for double glazed windows in a conservation area?

Planning requirements vary by location and the sensitivity of your property. Our 16mm slimline double glazing maintains the slim appearance of single glazed windows and is accepted in many conservation areas. We can provide technical drawings and specifications to support your planning application, and our team has extensive experience working with conservation officers across the UK.

How long do heritage timber windows last?

Our heritage timber windows are manufactured using engineered laminated timber and expert joinery techniques, giving them a lifespan of 60 years or more with minimal maintenance. This significantly exceeds the durability of original period windows, which were made from solid timber sections.

Can you match the exact design of my existing period windows?

Yes! We manufacture completely bespoke windows to replicate any period window design. Whether you need to match specific glazing bar patterns, sash horn styles, unusual dimensions, or curved features, our craftspeople have the expertise to recreate authentic period details exactly.

What's the difference between cords and weights and spiral balance sash windows?

Traditional cords and weights use lead or steel weights hidden in pockets within the frame, operated by nylon cords and pulley wheels – exactly as original Victorian sash windows worked. Spiral balance mechanisms use modern spring balances concealed within the frame for a maintenance-free operation. Both are authentic in appearance; the choice depends on your preference for traditional mechanics versus modern convenience.

Do you supply heritage timber doors as well as windows?

Yes. We manufacture bespoke heritage timber doors to complement our window range, including traditional front doors, stable doors, and French doors. All can be specified with the same Heritage or Traditional mouldings, ironmongery, and finishes as your windows, ensuring a cohesive appearance across your period property whilst delivering modern benefits in security and thermal performance.

Why choose timber over aluminium windows or uPVC windows for a heritage property?

Traditional timber windows are generally only authentic choice for period homes. Aluminium windows and modern uPVC cannot replicate the profiles, joinery details, or aesthetic value of original designs, and local authorities rarely grant planning permission for these materials in conservation areas. Beyond historical authenticity, timber is a natural insulator with superior performance compared to aluminium, and unlike uPVC, timber is made from natural materials that can be repaired and maintained indefinitely, ensuring your windows truly stand the test of time.

What our customers say

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Our memberships & schemes

As a dedicated manufacturer of quality timber windows and doors, we are part of a number of specialist memberships and schemes. Check out the full list below.

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BlueSky Certification logo
Secured by Design certificate
UKCA
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As seen in...

We’re pleased to announce our brand has featured in several national magazines and publications over the years. Here are some of the most recent places our products have been showcased.

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Grand Designs Magazine logo
House and Garden logo
Homebuilding & Renovating logo
Construction Forum Magazine logo
Architects' Journal
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