If you’re searching for high-quality windows and doors in South London, you’ve probably realised there are plenty of companies to choose from. But finding a supplier that combines premium products, expert knowledge, competitive pricing and professional installation isn’t always easy.
At Fenex Windows, we help homeowners, landlords, builders and property developers across South London transform their properties with stylish, secure and energy-efficient windows and doors. Whether you need Supply Only, a professional Survey, Supply & Fit, or Installation Only, our experienced team delivers outstanding service from start to finish.
Complete Window & Door Solutions Across South London
Every property is different, which is why we offer flexible services to suit every project and budget.
Supply Only
Already have an installer? No problem.
Our Supply Only service gives you access to premium-quality windows and doors at competitive prices. Ideal for builders, contractors and DIY home improvement projects.
Professional Surveys
Getting accurate measurements is one of the most important parts of any installation.
Our experienced surveyors ensure every product is measured correctly before manufacturing, reducing delays and ensuring a perfect fit.
Supply & Fit
Our most popular service combines premium products with professional installation.
From your initial consultation through to the final installation, our skilled team manages every stage of the project, giving you complete peace of mind.
Installation Only
Already purchased your windows or doors?
Our experienced installers can professionally fit products supplied by you, ensuring they are installed safely, securely and to the highest standards.
Our Premium Window Range
Choosing the right windows can dramatically improve your home’s appearance, comfort and energy efficiency.
Sash Box Windows
Perfect for period homes and traditional properties throughout South London.
Our sash box windows combine timeless character with modern thermal performance, helping reduce heat loss while maintaining classic styling.
Benefits include:
- Traditional appearance
- Excellent insulation
- Smooth operation
- Low maintenance
- Improved security
Flush Casement Windows
Flush casement windows have become one of the UK’s most popular window styles.
Their clean, contemporary finish suits both modern and heritage properties, making them a versatile choice for homeowners looking to improve kerb appeal.
Ideal for:
- Family homes
- Renovation projects
- New builds
- Extensions
Aluminium Timber Clad Windows
Looking for luxury?
Aluminium timber clad windows offer the best of both worlds.
The external aluminium provides outstanding durability and weather resistance, while the internal timber finish creates warmth and elegance inside your home.
Perfect for premium residential properties and architectural projects.
Sash Spring Windows
Designed to replicate traditional sliding sash windows while using modern spring mechanisms, these windows deliver classic aesthetics with easier operation and minimal maintenance.
Stylish Doors Designed for Modern Living
Your front door is often the first thing visitors notice.
Our range of premium doors enhances both the appearance and security of your property.
Front Doors
Create an impressive entrance with a secure, energy-efficient front door available in a wide range of colours, styles and finishes.
A new front door can:
- Improve security
- Increase property value
- Reduce energy bills
- Boost kerb appeal
French Doors
French doors create bright, open living spaces while connecting your home with your garden.
Perfect for:
- Dining rooms
- Conservatories
- Garden rooms
- Home extensions
Bi-folding Doors
Bi-fold doors remain one of the most desirable home improvement products in the UK.
Their slim sightlines and large glazed panels flood your home with natural light while creating a seamless connection between indoor and outdoor living.
Ideal for:
- Kitchen extensions
- Garden renovations
- Open-plan living
- Modern homes
Sliding Doors
Large sliding doors maximise your outside views while allowing natural light to flow through your property.
They are particularly popular for:
- Contemporary homes
- Apartments
- Garden-facing living rooms
- Patio areas
Lift & Slide Doors
For larger openings, lift and slide doors offer effortless operation alongside exceptional thermal performance and security.
They are perfect for homeowners wanting luxury without compromising practicality.
Why Homeowners Across South London Choose Fenex Windows
Choosing a window and door company isn’t just about finding the lowest price.
It’s about finding a team you can trust.
At Fenex Windows, we pride ourselves on delivering:
✔ Premium-quality products
✔ Expert advice
✔ Accurate surveys
✔ Professional installations
✔ Reliable customer service
✔ Competitive pricing
✔ Energy-efficient solutions
✔ Long-lasting performance
Whether you’re replacing a single window or renovating an entire property, we provide the same attention to detail on every project.
The Benefits of Modern Windows & Doors
Investing in new windows and doors offers much more than a fresh appearance.
Many homeowners notice:
- Lower heating bills
- Better insulation
- Improved home security
- Reduced outside noise
- Increased natural light
- Easier maintenance
- Enhanced property value
- Greater kerb appeal
It’s one of the smartest long-term investments you can make in your home.
Areas We Cover
Fenex Windows proudly supplies and installs premium windows and doors throughout South London and surrounding areas, including:
- Croydon
- Bromley
- Sutton
- Kingston upon Thames
- Wimbledon
- Merton
- Richmond
- Wandsworth
- Lambeth
- Lewisham
- Greenwich
- Bexley
- Dulwich
- Crystal Palace
- Beckenham
- Mitcham
- Streatham
- Clapham
- Tooting
- Southwark
If you’re located nearby, we’d be delighted to discuss your project.
Frequently Asked Questions
Do you offer supply only?
Yes. We can supply premium-quality windows and doors directly to homeowners, builders and trade professionals.
Can you install products I’ve already purchased?
Absolutely. Our Installation Only service is ideal if you’ve sourced your own products but want experienced professionals to fit them.
Are your windows energy efficient?
Yes. Our products are designed to improve insulation, helping keep your home warmer in winter and cooler in summer while reducing energy costs.
Which door style is best for my home?
This depends on your property, available space and personal style. Our team can recommend the ideal solution during your survey.
Get Your Free Quote from Fenex Windows
Whether you’re replacing old windows, installing stylish new doors or planning a complete home renovation, Fenex Windows is here to help.
From Supply Only and Professional Surveys to Supply & Fit and Installation Only, we provide reliable solutions tailored to your needs.
Contact Fenex Windows today to arrange your free consultation and discover why homeowners, builders and developers across South London trust us for premium windows and doors that combine style, security and lasting performance.