Contact The Fenestration Network | Aluminium Windows & Doors UK
Call us today: 020 341 10038 | 01768 254552
Email: projects@thefenestrationnetwork.co.uk
We are national glazing specialists supplying and installing aluminium windows, doors and glass structures across the UK. No matter where you are located, we can manage your project from survey through to installation.
Why Contact Us?
- Free, no-obligation quote for your windows, doors, or glazing project
- Expert advice on bifolding doors, sliding doors, entrance doors, orangeries, garden rooms & windows
- Supply & install service with local installation teams
- Tailored solutions in aluminium, composite, and uPVC materials
- Over 150+ RAL colours, slim sightlines, “White Glove” service, and low U-values
Our Coverage & Product Range
We supply and install glazing solutions nationwide across the UK, handling projects of all scales. Whether you’re in London, Manchester, Edinburgh, or beyond — we’ve got you covered.
Our product range includes:
- Aluminium bifolding doors
- Aluminium sliding doors
- Entrance & internal doors
- Windows (casement, heritage, slimline, etc.)
- Garden rooms & orangeries
- Glass balustrades & screens
We also manufacture in the UK, work with premium glazing partners, and customise all products to your project specifications.
Trust & Assurance
We take security and quality seriously:
- Products designed to meet PAS 24 British security standards
- Secured by Design compliance
- All installations backed by reviews and customer feedback
- We can arrange CPS sign-off via installers if required (just inform us at quoting stage)
Call now or submit your enquiry to get started on your aluminium glazing project. We look forward to helping you bring your vision to life.
WINDOW & DOOR MAINTENANCE PLANS | FENESTRATION NETWORK
Protect your glazing with nationwide window and door maintenance plans. Cleaning, servicing, and performance checks by The Fenestration Network
Your windows and doors are an investment — and like any part of your home, they need regular care to stay secure, efficient, and looking their best.
At The Fenestration Network, we offer nationwide window and door maintenance plans designed to protect your property, reduce long-term repair costs, and keep every installation performing like new.
✅ Extend lifespan of your glazing
✅ Maintain energy efficiency and security
✅ Prevent costly repairs
✅ Keep warranties valid
✅ Ensure your property always looks its best
Book your plan today.
Call us: 020 341 10038 (South) / 01768 254552 (Rest of UK)
Email: maintenance@thefenestrationnetwork.co.uk
SAVE MONEY - WE DELIVER THE WHOLE PROJECT - SUPPLY & INSTALL
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Ultra-slim 88mm sightlines
Available with or without Crittal effect
Over 150+ RAL colours to choose from
U-Value: 1.0W/M2K
Available in over 19 configurations
AB-60 Premium smarts bifolding doors FROM £2750
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
132mm sightlines
Over 150+ RAL colours to choose from
Upto 20 Years Guarantee
U-Value: 1.4W/M2K
Available in over 19 configurations
AS-20 smarts SLIM 20MM sliding doors FROM £3250
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
cortizo cor vision SLIM 20MM sliding doors FROM £2950
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Ultra slim 20mm sightlines (Central mullion)
Soft Close
Over 200+ RAL colours to choose from
Available in 2 or 3 track
1.6 W/m2K U Value
cortizo cor vision SLIM 20MM sliding doors FROM £2950
AB-38 SLIMLINE SMARTS BIFOLDING DOORS FROM £3250
cortizo cor vision SLIM 20MM sliding doors FROM £2950
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Sightlines
Frame depth 116 mm / 182 mm 3 rails Sash depth 37 mm
Interlock 20 mm
GS20 CORTIZO SLIM 20MM SLIDING DOORS FROM £3450
AW-47 SMARTS HERITAGE WINDOWS FROM £650
GS20 CORTIZO SLIM 20MM SLIDING DOORS FROM £3450
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Slim 20mm sightlines
Standard or Flush Stacking
Over 200+ RAL colours to choose from
1.3 W/m2K U Value
GB-49 Cortizo bifolding doors FROM £2950
AW-47 SMARTS HERITAGE WINDOWS FROM £650
GS20 CORTIZO SLIM 20MM SLIDING DOORS FROM £3450
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
110mm sightlines
Over 150+ RAL colours to choose from
Upto 20 Years Guarantee
0.8Wm2K U-Values
Available in upto 14 panes width
AW-47 SMARTS HERITAGE WINDOWS FROM £650
AW-47 SMARTS HERITAGE WINDOWS FROM £650
AW-47 SMARTS HERITAGE WINDOWS FROM £650
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Highly practical, affordable range of Aluminium Windows available in a range of colours and designs.
Aesthetically pleasing and simple to install.
GW70 CORTIZO WINDOWS FROM £650
AW-47 SMARTS HERITAGE WINDOWS FROM £650
AW-47 SMARTS HERITAGE WINDOWS FROM £650
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Highly practical, affordable range of Aluminium Windows available in a range of colours and designs.
Aesthetically pleasing and simple to install.
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Door leaves up to 3m high
Stunning Heritage (Crittal effect)
Can be used external and internal
Inward or outward opening
Alitherm 400 windows from £600
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Highly practical, affordable range of Aluminium Windows available in a range of colours and designs.
Aesthetically pleasing and simple to install.
smarts signature doors from £1950
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
ALUSPACE INTERNAL DOORS AND SCREENS FROM £1450
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Fresh, vibrant designs.
Our range of Entrance doors are excellent quality, available in a variety of styles.
Quick lead times and a dream to install.
ALUSPACE INTERNAL DOORS AND SCREENS FROM £1450
AD-55 SMARTS HERITAGE FRENCH doors FROM £1850
ALUSPACE INTERNAL DOORS AND SCREENS FROM £1450
Ask for our White Glove Service - full supply, survey and installation across the UK with Local Teams
Explore Aluspace internal doors and screens – slim, stylish steel-look glazing from Smart Systems, designed to transform modern homes.
WINDOW AND DOOR SYSTEMS BY THE FENESTRATION NETWORK
THE BEST ALUMINIUM WINDOWS AND DOORS, PROFESSIONALLY INSTALLED
At Fenestration Network, we work with the UK’s leading system companies and manufacturers to provide homeowners with the very best in aluminium windows and doors.
Our expertise spans decades in the glazing industry, giving us a complete understanding of how each system performs, what makes it unique, and where it fits best.
Whether you’re looking for architectural aluminium sliding doors, precision-engineered bifolds or beautifully crafted front doors, we've got you covered.