info@awmwindows.co.ukTel: 020 3645 1292
Mob: 07515913491
info@awmwindows.co.ukTel: 020 3645 1292
Mob: 07515913491
AWM Windows provides professional timber sash window installation services throughout London and the surrounding areas. We specialise in manufacturing and installing bespoke wooden sash windows that preserve the traditional appearance of period properties while delivering modern standards of insulation, security and durability.
Whether you own a Victorian terrace in Clapham, a Georgian townhouse in Kensington, an Edwardian property in Muswell Hill or a period conversion in Islington, our experienced team can manufacture replacement sash windows that complement the original character of your home.
Every window is made to measure using carefully selected timber and fitted with high-performance double glazing to improve thermal efficiency, reduce outside noise and provide smooth, reliable operation for many years.
Every sash window is individually manufactured to suit the exact dimensions and architectural style of your property. Our bespoke timber sash windows maintain the traditional appearance of older homes while incorporating modern glazing, improved insulation, and enhanced security. Each window is carefully crafted to provide an authentic finish with excellent long‑term performance.
All of our replacement sash windows are supplied with high‑performance double glazing as standard. Double glazing helps improve thermal insulation, reduce heat loss, lower energy bills, and minimise outside noise. It also reduces condensation and enhances year‑round comfort. These windows comply with current building regulations while preserving the traditional look of London’s period properties.
Traditional box sash windows remain the preferred choice for many Victorian, Georgian, and Edwardian homes across London. Designed to replicate original period features, they combine heritage aesthetics with modern performance. These windows provide improved security, smooth operation, and long‑lasting durability, making them ideal for restoring period properties while meeting today’s standards.
We also manufacture spiral balance sash windows that offer reliable performance with reduced maintenance. This modern operating system ensures smooth opening and closing while preserving the traditional timber sash appearance. Spiral balance designs are particularly suited to properties seeking a blend of classic style and contemporary convenience, offering both elegance and practicality.
Our timber sash windows are available in a wide range of traditional architectural styles. Options include Georgian, Victorian, Edwardian, vertical sliding, and mock sash windows. Each design is carefully produced to match the original proportions and detailing of your existing frames. This ensures authenticity while delivering modern comfort and performance for London homes.
We offer both hardwood and softwood timber options depending on your budget and project requirements. Hardwood windows, crafted from timbers such as Sapele, Meranti, and Oak, provide exceptional durability and natural beauty. Softwood sash windows, made from premium unsorted Redwood, offer a cost‑effective solution without compromising quality. Both are prepared to withstand London’s changing weather.
Our standard glazing specification is designed for excellent energy efficiency and long‑term performance. Each insulated glass unit includes 4mm toughened outer glass, a 16mm spacer bar, and 4mm toughened inner glass. Low‑E coatings and argon gas cavities further enhance insulation and reduce condensation. Additional options, including obscure and privacy glass, are available when required.
Every timber sash window receives a professional factory‑applied finish using premium micro‑porous paint. The process includes preservative treatment, basecoat primer, undercoat, and a white semi‑gloss topcoat. White remains the most popular choice for London homes, though bespoke RAL colours are available. Factory spray finishing ensures a smooth, durable, and long‑lasting finish against weather conditions.
In many cases, replacing old timber sash windows is the most effective way to improve your home’s energy efficiency, security and appearance.
If your existing windows are rotten, warped, badly damaged or no longer operate correctly, installing new bespoke timber sash windows can provide a long-lasting solution while preserving the character of your property.
Where suitable, we will always recommend the most practical option based on the condition of your existing windows and your individual requirements.
For a quicker quotation, simply send us clear photographs of your existing sash windows together with the approximate measurements and your property location. If possible, include photographs of both the inside and outside of the windows along with any details about the style or any problems you are experiencing. This allows us to provide a faster and more accurate estimate before arranging a site visit if required.
Yes. We manufacture and install bespoke replacement timber sash windows designed to match the original style of your property while improving insulation, security and performance.
Yes. Our timber sash windows are supplied with high-performance double glazing as standard to improve energy efficiency and comply with current building regulations.
We offer both hardwood options, including Sapele, Meranti and Oak, as well as premium softwood Redwood.
Yes. Every sash window is manufactured to suit the original style and proportions of your property.
Yes. In addition to the traditional white finish, we offer a wide selection of RAL colours.
We provide timber sash window installation throughout North, South, East, West and Central London together with the surrounding areas.
Contact AWM Windows today for professional advice, a free quotation or a fast photo-based estimate. Our experienced team will help you choose the ideal timber sash windows to enhance the beauty, comfort and energy efficiency of your London home.
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.