If you’re planning to upgrade your home with new timber windows, now is the perfect time to do it. DM Window Solutions is currently offering 15% off all timber windows for a limited period — available until the end of March 2026.

Timber windows remain one of the most popular choices for homeowners who value durability, insulation, and timeless appearance. They combine natural beauty with modern performance, helping improve both the comfort and value of your property. Whether you’re renovating a period home or adding character to a modern building, well-crafted timber frames are a long-term investment.

With this special promotion, you not only benefit from reduced prices, but also from professional guidance throughout the process. The team provides expert advice on styles, finishes, and technical options to ensure your windows are perfectly matched to your needs.

What you get with this offer:

• 15% discount on all timber windows

• High-quality materials and workmanship

• Tailored solutions for your property

• Free, no-obligation price quotes

If you’re considering new windows, it’s worth requesting a free quotation now and securing the discount while it’s available. Contact the team to discuss your project and get a personalised estimate.

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Passive House–Compliant Windows Delivered Across London

Building a low-energy home begins with choosing the right windows. Our Passive House–compliant windows combine advanced insulation, airtight construction, and high-performance triple glazing — providing outstanding comfort and ultra-low energy consumption for modern London properties. Whether you’re developing a new Passive House project, upgrading an existing home, or pursuing higher thermal efficiency, we supply industry-leading window systems engineered to meet the world’s most demanding performance standards.

👉 CONTACT US NOW TO GET A FREE PASSIVE HOUSE COMPLIANT WINDOW QUOTE !

Why London Homeowners Choose Passive House–Compliant Windows

• Lower heating and cooling bills
• Consistently comfortable indoor temperatures
• Improved indoor air quality & reduced condensation
• Significant noise reduction — ideal for busy London streets
• Higher property value and future-proof performance
• Environmentally responsible building choices

Superior Thermal Efficiency for London Homes Passive House windows are designed to minimise heat loss and maximise indoor comfort. Thanks to multi-chamber frames, triple glazing, warm-edge spacers, and incredibly low U-values, these windows create a stable indoor climate year-round — even during London’s cold winters. Key performance advantages: Ultra-low U-values (from 0.74 W/m²K) Triple glazing for maximum insulation Exceptional airtightness to eliminate drafts Thermal bridge-free design Excellent acoustic performance for quieter homes UV and solar protection coatings

Your Partner for High-Performance Windows

CONTACT US NOW TO GET A FREE PASSIVE HOUSE COMPLIANT WINDOW QUOTE !

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We’re pleased to share that after several months of development, we’ve officially launched our new sash window system – Slim SS C&W 134 SW42. This profile has been specially designed for listed buildings, conservation areas, and projects requiring ultra-thin glazing, including slimline and vacuum glass. It maintains a traditional aesthetic while offering excellent technical performance and high light transmission. Key technical highlights: Slimmest applied glazing bar – just 17 mm, available in ovolo, lamb, or square styles Profile tailored for thin glazing – maximum internal glazing (glass from Poland) is 16 mm (4/8Ar/4.LE), which means duplex bars cannot be used in these units Perfect for putty-effect and vacuum glass – profile geometry is specifically adapted for these solutions Optional thicker sash – by increasing sash thickness to 54 mm (with external cutback), glazing units up to 24–25 mm can be used Structural glazing bars – 22 mm or 24 mm options remain available for projects requiring a classic “putty-line” effect Attached are the technical section drawing and photos of the finished window straight from production.

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Streamline Your Planning Permission with DM Window Solutions’ Expert Application Service

Navigating the UK planning permission process for new windows and doors can be time-consuming, confusing. That’s why DM Window Solutions, a trusted manufacturer and supplier of high-quality bespoke windows and doors, is proud to offer a new, end-to-end Planning Permission Application Service—designed to remove the hassle and accelerate your project.

A Turnkey Solution for Homeowners, Architects, and Developers

Whether you’re a homeowner planning an upgrade, an architect designing a unique façade, or a developer managing a complex build, planning approval is a critical step.

With our new fixed-fee service priced at £1,999, you can leave the paperwork and procedure to us, and focus on what matters: creating exceptional spaces.

👉 Book your free consultation today

Sress-Free Planning Applications Consultations for Windows and Doors

What Our Planning Permission Service Includes

Our dedicated team of experts will manage the entire process on your behalf, from start to finish. Here’s what you can expect:

• Initial Consultation – We start with a detailed consultation to understand your project goals, property type, and specific requirements.
• Professional Document Preparation – All planning application documents, drawings, and supporting statements are professionally produced and reviewed for compliance.
• Submission to Local Authority – We handle the complete submission process, ensuring all materials meet current planning regulations.
• Direct Liaison with Planning Officers – We maintain ongoing communication with the relevant planning department to monitor your application.
• Progress Updates and Guidance – You’ll receive regular updates and expert advice throughout, so you’re always informed and confident.

Why Use a Professional Planning Application Service?

Working with professionals who understand the nuances of UK planning regulations can significantly improve your chances of approval—and save you from avoidable delays and costs. At DM Window Solutions, we pair our in-depth knowledge of fenestration systems with local authority planning expertise to give you a seamless experience.

Our service is especially valuable if you’re installing:

• Custom or bespoke window systems
• Large-scale glazing solutions
• New or replacement doors
• Products in conservation areas or listed buildings

Trusted by Clients Across London and the UK

With over a decade of experience in supplying premium, made-to-measure windows and doors, we understand the technical, aesthetic, and regulatory demands of modern projects. Our new Planning Permission Application Service is just another way we’re helping our clients succeed—by combining craftsmanship with complete project support. We offer our services in London and surrounding areas.

Book Your Consultation Today

Ready to remove the stress from your planning application?

Contact DM Window Solutions today to book your initial consultation and take the first step toward a smoother, faster, and more professional planning experience.

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At DM Window Solutions Ltd, we specialise in providing high-quality timber sash and casement windows specifically designed for listed buildings and conservation areas in London. With years of experience and a deep understanding of conservation regulations, we are proud to be one of the few companies in the region that offer this specialised window solution—and right now, we’re offering an

EXCLUSIVE 25% DISCOUNT on ALL TIMBER WINDOWS until 31st October!

Want to know more ? CONTACT US NOW ! 

Whether you’re renovating a Georgian townhouse, maintaining a Victorian terrace, or upgrading a period home in a designated conservation area, our bespoke timber sash windows and timber casement windows are crafted to match the original character of your property while meeting modern performance standards.

Many window providers shy away from working with listed or protected properties due to the strict guidelines and craftsmanship required. At DM Window Solutions, however, we embrace this challenge—our expert team knows exactly how to deliver windows that blend heritage aesthetics with contemporary performance.

Why Choose Our Timber Windows?

• ✔ PAS24 Certified for enhanced security
• ✔ Compliant with heritage and conservation guidelines
• ✔ Manufactured using sustainably sourced timber
• ✔ Offers excellent thermal performance and energy efficiency
• ✔ Adds natural warmth, beauty, and long-lasting value to your home
• ✔ Custom-made to replicate original period details

Our timber sash windows for listed buildings combine authentic craftsmanship with modern standards. Every window we produce is tailored to suit the style and historical character of your property, while still providing the comfort, efficiency, and security of 21st-century technology.

Limited-Time Offer: Save 25% on Timber Windows

To celebrate the autumn season, we’re offering an incredible 25% discount on all timber sash and casement windows—but hurry, this offer is only valid until 31st October.

👉 Book your free consultation today
👉 Get a personalised quote 
👉 Upgrade your heritage home with beautiful, energy-efficient timber windows

Partner with the Experts in Timber Windows for Listed Buildings

Choosing the right windows for a listed or conservation property in London can be complex—but with DM Window Solutions, you’re in safe hands. Our attention to detail, craftsmanship, and understanding of planning requirements set us apart from the rest.

Don’t miss out on this limited-time opportunity to invest in sustainably sourced, secure, and stylish timber windows that respect your property’s heritage.

📞 Contact us now to schedule a consultation or to learn more about our timber window solutions for listed buildings and conservation areas.

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Timeless in design and unmatched in performance, high-quality timber sash windows are the perfect choice for homeowners who value tradition without compromising on modern energy efficiency. Whether you’re restoring a period property or adding a touch of heritage charm to a contemporary home, timber sash windows offer long-lasting beauty and advanced thermal insulation.

Why Choose Timber Sash Windows?

Authentic wooden sash windows remain one of the most sought-after architectural features in the UK. Their classic look enhances kerb appeal and complements Georgian, Victorian, and Edwardian homes beautifully.

At DM Window Solutions, our sash windows are crafted from engineered hardwood or softwood, offering unmatched quality, durability, and finish. Unlike plastic alternatives, timber windows breathe with your home and are custom-made to suit your design preferences.

View our full range of timber sash window options here.

Superior Thermal Insulation – Built for Modern Comfort

Today’s timber sash windows aren’t just about appearance—they’re built for performance. Our windows come with double or triple glazing options and advanced weather sealing, which means:

• Reduced heat loss in colder months

• Lower energy bills

• Greater acoustic insulation

• A comfortable, draft-free interior year-round

This makes our timber sash windows a perfect fit for both heritage restorations and modern energy standards.

Traditional Look, Modern Functionality

All our sash windows are available in both traditional box sash and spring balance mechanisms. You can maintain the classic vertical sliding look while benefiting from:

• Smooth, easy operation

• High-security locking systems

• Slimline glazing bars for maximum light

Plus, we offer a wide selection of painted finishes, stains, and glazing bar designs to suit your property’s style.

🎨 Get in touch to explore custom options and colour samples. Contact us today.

Sustainability You Can See and Feel

We use sustainably sourced timber for every window we build. It’s not just environmentally responsible—it also ensures natural beauty, durability, and character. With regular maintenance, timber windows can last a lifetime and age beautifully over time.

Why Invest in High-Quality Timber Windows?

• Authentic period aesthetics

• Enhanced property value

• Low thermal transmittance (U-values)

• Long-term durability

• Bespoke design tailored to your home

📞 Looking to replace or upgrade your sash windows? Call us on 0203 174 0208 or request a quote now.

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Looking to bring more light, style, and seamless access to your extended living space? Aluminium slimline sliding doors are the ideal solution for modern home extensions, combining sleek design with outstanding performance. Whether you’re upgrading a kitchen-diner or opening up a rear extension, these elegant doors offer a clean, contemporary look with exceptional functionality.

Maximise Natural Light and Space

Slimline aluminium frames are designed to hold large glass panels with minimal sightlines, allowing more natural light into your home and giving uninterrupted views of your garden or patio. The result? A bright, airy space that feels more connected to the outdoors—perfect for both everyday living and entertaining.

✅ Explore our full range of aluminium sliding doors here

Seamless Indoor-Outdoor Living

One of the biggest advantages of aluminium sliding patio doors is their ability to create a smooth transition between your indoor and outdoor areas. Whether fully open on a summer day or securely shut in winter, they give the impression of expanded space and modern luxury.

Plus, our doors come with flush thresholds and smooth gliding mechanisms, making them effortless to operate while keeping a sleek, uninterrupted floor line.

Thermal Efficiency Meets Stylish Design

Thanks to advanced thermal break technology, our slimline sliding doors are not only beautiful but also energy-efficient. You get excellent insulation all year round without sacrificing aesthetics. With double or triple glazing options, your extension stays warm in the winter and cool in the summer—reducing energy bills in the long run.

Customisable to Your Home

At DM Window Solutions, we offer fully bespoke aluminium sliding door systems tailored to your space. Choose from:

• Multiple configurations (2, 3, or 4-panel systems)

• A wide range of RAL colours

• Handle styles and finishes

• High-security locking systems

Whether you’re working with an architect, builder, or planning a self-build project, our team will support you at every stage.

🔨 Need expert advice? Contact us today for a free consultation.

Add Value to Your Property

A stylish home extension with slimline aluminium doors doesn’t just improve your quality of life—it can also increase the value of your home. Buyers love open-plan spaces with high-end finishes, and a modern sliding door system is a standout feature that makes a lasting impression.

Why Choose DM Window Solutions?

With years of experience delivering high-quality aluminium sliding doors in London and the South East, we pride ourselves on precision, performance, and customer care. Our products are manufactured to the highest standards, installed by professionals, and designed to last.

📞 Ready to transform your extension? Call us on 0203 174 0208 or request a quote now.

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