Business Details
Trusted Window & Door Specialists in Greenock
Cloch Double Glazing, owned by Archie and Jason Harwood, is a family-run business with over 35 years of experience in the double glazing industry. Established in Greenock, we specialise in providing high-quality windows, doors, conservatories, and acoustic glass solutions tailored to meet the needs of homeowners across Inverclyde and beyond. Our commitment to excellence is reflected in our 10-year warranty on all installations, ensuring long-term durability and customer satisfaction. We operate a dedicated showroom at 12 Drumfrochar Place, allowing clients to experience our products firsthand before making a purchase. Our team prioritises personal service, combining traditional values with modern technology to deliver energy-efficient, secure, and aesthetically pleasing solutions.With a focus on craftsmanship and customer care, we have built a reputation for reliability, supported by positive word-of-mouth recommendations. Our partnerships with industry leaders like Ultraframe enable us to offer innovative products such as the HUP! extension system, which provides faster, more energy-efficient building solutions. All our windows and doors feature advanced security mechanisms, including Espag locks and multi-point locking systems, ensuring peace of mind for our clients. We pride ourselves on transparency, offering free quotations and maintaining open communication throughout every project. Our dedication to quality is further reinforced by accreditations such as BBA approval for Ultrapanels and Kitemark certification for our bi-fold doors.
Services
Composite Doors
Panel Doors
Windows
Sliding Sash
French Windows
Shaped Frames
Conservatories
Bi-Fold Doors
Acoustic Glass
Blinds Between Glass
Highlights and features
- We have over 35 years of experience in the double glazing industry.
- Our family-run business prioritises personal service and traditional values.
- All installations come with a 10-year warranty for long-term reliability.
- We operate a showroom for hands-on product demonstrations.
- Our team uses advanced security features like Espag locks and multi-point locking systems.
Associations and certifications
- BBA (British Board of Agrment)
- Kitemark Certificate
What people say
Fast, friendly, and super professional
Highest standards of customer care
10 year warranty
Peace of mind
Personal service
Services
Composite Doors
Our composite doors combine maximum security with aesthetic appeal, featuring 70mm double rebated frames and advanced locking systems. Available in 16 styles and 44 colour options, they offer enhanced thermal efficiency and weather resistance. Each door includes a 10-year warranty for durability and peace of mind.
Acoustic Glass
Acoustic glass units reduce external noise by up to 27%, ideal for properties near busy roads or airports. The laminated interlayer dampens sound vibrations while maintaining safety standards. This solution improves indoor comfort without compromising on security or energy efficiency.
Conservatories
We design and install conservatories using Ultraframe roofs, known for a 25-year lifespan and BBA accreditation. Options include the HUP! system, which offers five times faster construction and superior energy efficiency. All structures come with A-rated glazing as standard for optimal thermal performance.
Bi-Fold Doors
Our SMART aluminium bi-fold doors provide seamless indoor-outdoor living spaces with exceptional U-values. Customisable in various configurations and finishes, they feature high-strength profiles and weather-resistant seals. The system includes a 10-year guarantee for structural integrity and operational reliability.
Panel Doors
Panel doors offer enhanced security through steel-reinforced frames and multi-point locking mechanisms. Available in half or full panel designs with decorative glazing options, they achieve A energy ratings as standard. The 70mm profile ensures superior thermal insulation and noise reduction.
People
Archie Harwood
Co-Owner
Archie Harwood co-owns Cloch Double Glazing with his son Jason, bringing over 35 years of industry experience. He oversees installations personally, ensuring every project meets strict quality standards while maintaining the company's reputation for reliability and customer care.
Jason Harwood
Co-Owner
Jason Harwood co-founded Cloch Double Glazing with his father Archie, combining traditional craftsmanship with modern techniques. He manages daily operations and client consultations, ensuring all products meet energy efficiency targets and security requirements for homeowner satisfaction.
Questions
What types of windows do you offer?
We provide casement, sliding sash, French, shaped, and tilt-and-turn windows in A-rated PVCu frames with optional triple glazing for maximum energy efficiency.
Do your doors come with security features?
All composite and panel doors include multi-point locking systems, Espag bolts, and reinforced steel frames to meet Secured by Design standards for enhanced home security.
How long does a conservatory installation take?
Using the HUP! system, conservatories can be built five times faster than traditional methods, typically completed within 2-4 weeks depending on size and complexity.
What warranty do you provide?
We offer a 10-year warranty on all windows, doors, and conservatories, covering manufacturing defects, installation workmanship, and material performance under normal usage conditions.
Can I see products before purchasing?
Yes, our showroom at 12 Drumfrochar Place displays 14 window styles, composite doors, and bi-fold systems, allowing you to test functionality and finish options before ordering.
Do you install acoustic glass?
We supply and fit acoustic glass units with Sound Shield Technology, reducing external noise by up to 27dB for properties near busy roads or airports while maintaining safety standards.
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