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Our sash windows in London are designed for homeowners who want to preserve the character of traditional properties while upgrading to modern standards of comfort, energy efficiency and security. We specialise in double glazed timber sash windows in London, supplying high-quality wooden windows for period homes across North London, South London, East London, West London and Central London.
From Victorian terraces in Clapham and Edwardian houses in Muswell Hill to Georgian townhouses in Kensington and period conversions in Islington, we manufacture sash windows that suit the architectural style of London’s most recognisable residential properties. Our windows are inspired by original designs found across the capital, but enhanced with modern-day glazing, smooth operating systems and practical security features.
Every window is made to measure and built with long-term performance in mind. Our London sash windows can be fitted with security bolts to restrict the opening of the lower sash, helping to improve safety while still allowing natural ventilation. This is especially useful in family homes, upper-floor flats and street-facing properties across London.
In the world of wooden sash windows London properties typically require either a traditional box sash window or a spiral balance sash window system. Both options can be tailored to suit the needs of your property, whether you are carrying out a full renovation, replacing draughty frames or upgrading original timber windows in a period London home.
All of our replacement sash windows in London are fitted with double glazing to comply with current building regulations, while also helping to reduce heat loss, improve insulation and minimise outside noise.
Our innovate double glazed sash windows are inspired by classic designs, augmented with modern-day conveniences and security features. Timber windows come with security bolts which can limit the opening of the lower sash, keeping you safe and secure at all times.In the world of wooden sash windows there are many different designs and patterns but at the core there are two basic variations, the traditional sash window and the Spiral Sash Window. Each can be tailored and adapted to suit you, and all weights and springs are tested to ensure consistent durability for years. All are double-glazed as per new building or replacement regulations.

Timber Sash Windows for London Period Homes
We supply a wide range of timber sash windows in London for traditional and heritage-style properties. Our collection is designed to complement the city’s most common architectural styles and is suitable for private homeowners, landlords, developers and property renovation specialists.
Our range includes:
Georgian sash windows London
Victorian sash windows London
Edwardian sash windows
Vertical sliding sash windows
Mock sash windows
French doors
Timber casement windows
Whether you own a property in Chelsea, Fulham, Hampstead, Greenwich, Richmond, Wimbledon, Notting Hill, Dulwich or Chiswick, we can provide sash window styles that maintain the original appearance of your home while improving everyday performance.

Standard Glass Specification
Our standard glazing specification has been selected to meet the expectations of homeowners looking for energy-efficient sash windows in London.
Each double glazed unit includes:
4mm clear toughened outer glass
16mm spacer bar
4mm clear toughened inner glass
low-E glass coating
Argon gas filled cavity
This combination helps improve heat retention and supports better insulation throughout the year. For many owners of older London homes, this is an important upgrade that improves comfort without changing the classic look of the property.
Additional glazing options, including obscure glass, may also be available where extra privacy is required.

Sapele is one of the most popular choices for hardwood sash windows in London because of its durability, attractive grain and excellent value. It is well suited to period properties where long-lasting quality and a traditional finish are essential.
Softwood Sash Windows
Our softwood windows are made from unsorted redwood, one of the finest grades available for joinery. This is a practical and cost-effective option for homeowners looking for beautifully made wooden sash windows in London at a more accessible price point.
Both hardwood and softwood frames are prepared and finished to provide dependable performance in the changing weather conditions typical of London and the South East.

Hardwood and Softwood Sash Windows London
All of our timber sash windows London are made using carefully selected wood to ensure strength, stability and a high-quality finish. We offer both hardwood sash windows London and softwood sash windows London, depending on your preferred appearance, budget and project requirements.
Hardwood Sash Windows
Our hardwood windows are manufactured using premium timbers such as:
Meranti
Oak

Painted Timber Sash Windows London
All of our windows receive a minimum of three factory-applied coats of micro-porous paint, helping to protect the timber and maintain an attractive finish over time. This is particularly important for external timber windows in London, where rain, pollution and seasonal temperature changes can affect untreated or poorly finished wood.
The most popular finish remains white sash windows London, as white continues to be the traditional choice for many Victorian, Georgian and Edwardian homes across the capital. Our finishing process includes:
preservative treatment
basecoat primer
undercoat
white semi-gloss topcoat
Each window is professionally spray-finished by experienced painters to achieve a smooth, durable and consistent result. Bespoke colour finishes are also available from the RAL colour palette, allowing homeowners to match their windows to the style and character of the property.
