Warwickshire is famous for its stunning architecture. From classic Victorian terraces to charming rural farmhouses and cottages, period properties have a unique character that modern builds simply cannot replicate.
However, owning an older home often comes with a major headache: original timber windows. While beautiful, old wooden frames are notoriously draughty, prone to rotting, and require constant sanding and painting to keep them weather-tight.
At Eco Windows Ltd, we frequently speak to homeowners who want to upgrade their home’s thermal efficiency but are terrified of ruining its traditional charm with standard white uPVC. The solution? The Residence 9 Collection.

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What are Residence 9 Windows?
Residence 9 (often called R9) is a luxury window system designed specifically to replicate the flush sash, timber window designs of the 19th Century.
Unlike standard double glazing, the R9 system uses a bespoke 100mm profile that mimics traditional joinery exactly. It offers the flawless, authentic appearance of real wood, combined with the cutting-edge performance of modern composite materials.
Why Choose Residence 9 for Your Period Home?
If you are looking to upgrade your windows, here is why Residence 9 is the ultimate choice for older properties:
1. Authentic Traditional Aesthetics Residence 9 windows sit completely flush with the exterior frame, just like traditional timber windows. They feature authentic design details like traditional mechanical joints, deep decorative internal detailing, and period-accurate hardware, including monkey tail handles and peg stays. Most people cannot tell they aren’t real wood, even up close!
2. Perfect for Conservation Areas Because the R9 system was specifically engineered to meet strict planning guidelines, they are regularly approved for use in conservation areas across Warwickshire and Leicestershire. They allow you to modernize your home’s energy efficiency without clashing with the local heritage.
3. Outstanding Thermal Efficiency While they look like they belong in the 1800s, their performance is firmly in the 21st century. The R9 system features an industry-leading 9-chamber design. This traps heat inside your home, completely eliminating the draughts and cold spots associated with older properties, while significantly lowering your heating bills.
4. Zero Maintenance Required Put the paintbrush down! Unlike real timber that needs regular varnishing to stop it from rotting or warping, the Residence 9 composite material is completely weather-proof. It will not fade, crack, or peel. A simple wipe down with a damp cloth is all it takes to keep them looking pristine year after year.
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A Flawless Finish with Eco Windows Ltd
Installing luxury windows requires expert craftsmanship. As a 4th-generation, family-run business, we have decades of experience working with older properties. We understand the care, precision, and respect that period homes demand.
We offer the Residence 9 collection in a stunning range of heritage colours, from classic English Oak to subtle Grained White and modern Painswick, ensuring a perfect match for your brickwork.
Contact us now for a free, no-obligation chat about your project. We would love to show you how quickly we can transform your home!