Windows·Doors·Conservatories

Timber windows

Over 10 Years of Excellence in Windows, Doors & Conservatories

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Why timber windows?

Timber is one of the most versatile, durable and high-performance materials used in modern window manufacturing, which is why premium timber windows remain the preferred choice for homeowners seeking long-lasting quality and exceptional energy efficiency.

Unlike average UPVC windows that typically last less than 30 years, timber window frames can serve for several decades — and with proper maintenance, even a lifetime. Timber naturally resists wear and tear, temperature fluctuations and mechanical stress, ensuring both stability and structural strength over time.

Another key advantage of wood is its outstanding thermal performance. As a natural insulator, timber helps retain heat inside the home, significantly improving comfort, reducing energy bills and creating a warm, cosy living environment.

At Olympia Windows, we design and manufacture bespoke timber windows in London and the South East, combining timeless aesthetics with modern glazing and security standards. Whether you are completing a self-build, renovation or extension project, our products are available supply only or supply and fit, offering true flexibility for every home.

Explore our full range of timber casement and timber sash windows, request a quotation online or visit our showroom to see the quality in person.

Timber Casement Windows

Casement Windows by Olympia Windows

Our casement windows come in five stylish designs with multiple configuration options, suitable for both modern and traditional homes.

Main Features:
Georgian bars (18mm, 24mm, 25mm), premium timber options (hardwood, softwood, oak, Accoya), and a wide choice of contemporary or period-style hardware. Available in 200+ RAL colours, stains, and dual-colour finishes. Internally beaded with high-security locking handles. Double or triple glazing with energy-efficient Planitherm units (1.2 W/m²K Ug-value).

Design Options:
Flush casement windows sit level with the frame for a traditional look. Stormproof casements sit slightly proud for added weather protection and durability.

Finishing Touches:
Choose from a wide range of handles, stays, hinges, and decorative glazing options including stained, etched, sandblasted, leaded, or Georgian bar designs.

Need Help?
Our Olympia Windows team can guide you to the best style for your home. Visit our showroom or contact us for expert advice.

Timber Sash Windows

Timber Sash Windows by Olympia Windows

Our timber sash windows preserve the character of traditional homes while offering modern performance. We replicate classic sash designs with slim profiles, authentic detailing and bespoke options suitable even for listed buildings and conservation areas.

Main Features:
Choice of engineered hardwood, softwood, oak or Accoya. Optional Georgian bars and traditional horn detailing. Various cill sizes and trickle vents available. High-quality ironmongery including locks, sash stops, pulls and restrictors ensures excellent security.

Performance:
Available with double or triple glazing to achieve the thermal efficiency you require. Choose between traditional weights & pulleys or modern spring balances for smooth operation.

Heritage Options:
Specialist sash designs tailored for listed buildings and conservation areas, maintaining historical authenticity while meeting today’s performance standards.