Which Window System is Right for Your Oxfordshire Home?
Choosing replacement windows isn’t just about colour or style—it’s about finding a system that complements your property while providing excellent energy efficiency, security and long-term value.
Two of the most popular premium uPVC window systems available from Isis Windows are Residence 7 (R7) and Residence 9 (R9). Both feature beautiful flush sash designs and outstanding performance, but they have been created for slightly different purposes.
If you’re comparing Residence 7 vs Residence 9 windows for your home in Oxford, Bicester, Witney, Abingdon or anywhere across Oxfordshire, this guide will help you understand the differences.
At a Glance
| Residence 7 | Residence 9 |
| Contemporary flush sash design | Heritage-inspired flush sash design |
| Ideal for modern and renovated homes | Ideal for period and character properties |
| Clean, minimalist styling | Traditional timber-look appearance |
| Premium energy efficiency | Premium energy efficiency |
| Low-maintenance uPVC | Low-maintenance uPVC |
| Wide range of colours | Wide range of heritage and modern finishes |
Both are excellent products—the right choice depends largely on the style of your property and the appearance you want to achieve.
What is Residence 7?
Residence 7 is a premium flush sash window system designed with versatility in mind. It combines elegant proportions with modern styling, making it suitable for a wide variety of homes.
The sash sits flush within the frame, creating clean lines and a sophisticated appearance that works particularly well with:
- Modern homes
- Executive developments
- Renovated cottages
- Barn conversions
- Contemporary extensions
For homeowners looking for a premium finish without a heavily traditional aesthetic, Residence 7 is an excellent option.
What is Residence 9?
Residence 9 has been specifically designed to replicate the appearance of traditional 19th-century timber windows while incorporating the benefits of modern uPVC construction.
Its detailed styling makes it particularly suitable for:
- Victorian homes
- Georgian properties
- Country cottages
- Heritage-style homes
- Character properties throughout Oxfordshire
Residence 9 is widely regarded as one of the finest timber alternatives available, allowing homeowners to preserve the appearance of their property while enjoying modern performance.
Which Looks More Traditional?
If authenticity is your priority, Residence 9 is the clear choice.
Its design has been developed to capture the proportions and detailing associated with traditional timber windows, making it particularly popular for period homes.
Residence 7 still offers a flush sash appearance but presents a cleaner and more contemporary interpretation.
Best choice for traditional properties:
✅ Residence 9
Best choice for contemporary homes:
✅ Residence 7
Which is Better for Modern Homes?
Modern developments often benefit from simple, uncluttered lines and understated elegance.
Residence 7 delivers exactly that, making it an ideal choice for:
- New-build homes
- Contemporary renovations
- Modern extensions
- Premium residential developments
Residence 9 can also work beautifully in modern settings, but it is typically chosen by homeowners seeking a more heritage-inspired appearance.
Energy Efficiency
Both Residence 7 and Residence 9 are engineered to deliver excellent thermal performance.
Modern double glazing combined with advanced multi-chamber profiles helps to:
- Reduce heat loss
- Improve insulation
- Increase comfort
- Potentially lower heating bills
From an energy efficiency perspective, both systems provide outstanding performance for today’s homes.
Security
Security is an essential consideration when investing in replacement windows.
Both Residence systems are designed to work with high-quality locking mechanisms and robust hardware, helping to provide excellent protection while maintaining an attractive appearance.
Whichever option you choose, you’ll benefit from a secure and durable window system professionally installed by Isis Windows.
Colours and Finishes
Both Residence 7 and Residence 9 are available in a wide selection of colours and finishes.
Popular options include:
- White
- Anthracite Grey
- Cream
- Black
- Woodgrain finishes
- Heritage-inspired colours
Our team can help you select a finish that complements your property’s architecture and your personal style.
Which Properties Suit Residence 7?
Residence 7 is an excellent choice for:
- Modern homes in Bicester
- Executive developments
- Contemporary renovations
- Barn conversions
- Stylish family homes across Oxfordshire
It provides a premium flush appearance while maintaining a clean, modern aesthetic.
Which Properties Suit Residence 9?
Residence 9 is particularly suited to:
- Period homes in Oxford
- Victorian terraces
- Georgian properties
- Country cottages
- Village homes in Woodstock, Burford and surrounding areas
Its traditional detailing makes it one of the best choices for homeowners wanting a timber-style appearance without the maintenance associated with real wood.
Which Should You Choose?
Choose Residence 7 if:
- You prefer a contemporary appearance
- You own a modern or recently renovated home
- You like clean flush lines
- You want a premium but versatile window system
Choose Residence 9 if:
- You own a period or character property
- You want an authentic timber-look window
- Heritage styling is your priority
- You want to preserve your home’s traditional appearance
Ultimately, there is no “better” option—only the one that best suits your home and your personal preferences.
Why Choose Isis Windows?
Since 1997, Isis Windows has been helping homeowners across Oxfordshire choose the perfect replacement windows for their properties.
We offer:
- Over 25 years of experience
- FENSA accredited installations
- Expert advice without pushy sales tactics
- Professional fitting
- A 10-year guarantee
- High-quality products tailored to your home
Whether you’re in Oxford, Bicester, Witney, Abingdon, Kidlington, Thame, Banbury or anywhere across Oxfordshire, we’ll help you compare your options and make the right choice.
Frequently Asked Questions
Is Residence 7 or Residence 9 better?
Neither is objectively better—they are designed for different styles of property. Residence 7 offers a more contemporary appearance, while Residence 9 is designed to replicate traditional timber windows.
Are both systems energy efficient?
Yes. Both Residence 7 and Residence 9 are engineered to provide excellent thermal performance when fitted with modern double glazing.
Which is best for period homes?
Residence 9 is generally the preferred choice for period and heritage-style properties because of its authentic traditional appearance.
Which is best for modern homes?
Residence 7 is particularly popular for modern homes and contemporary renovations thanks to its sleek flush sash design.
Can Isis Windows help me choose?
Absolutely. Our experienced team will discuss your property, your style preferences and your budget before recommending the most suitable window system.