Business Details
46 Years
experience
Expert Windows, Doors & Conservatories in Waterlooville
Established in 1980, Topline Windows has built a reputation for excellence in manufacturing and installing high-quality windows, doors, and conservatories. Our in-house production ensures rigorous quality control, while our experienced team of fitters guarantees precise installation and long-term durability. Serving Hampshire, West Sussex, and surrounding areas, we specialise in bespoke solutions tailored to modern energy efficiency standards, including A-rated glazing and innovative roof replacements. Our commitment to customer satisfaction is reflected in our comprehensive after-sales service, 10-year guarantee, and independent insurance-backed warranties.As proud members of the Glass and Glazing Federation (GGF), we adhere to industry-leading standards, ensuring every project meets exacting regulatory and safety requirements. With decades of local expertise, we prioritise transparent communication, no-pressure sales, and seamless installations, transforming homes with durable, aesthetically pleasing glazing solutions.
Services
Conservatory Roof Replacement
Double Glazed Windows
Composite Doors
Glass Lantern Extensions
UPVC Fascia Installation
Details
- Year established: 1980
Highlights and features
- We manufacture all products in-house for guaranteed quality control.
- Our experienced fitters ensure precise installations and long-term durability.
- 10-year guarantee with independent insurance-backed warranties included.
- Specialists in energy-efficient A-rated glazing and thermal roof replacements.
- Proud members of the Glass and Glazing Federation (GGF) since 1980.
Associations and certifications
- Glass and Glazing Federation (GGF)
What people say
Quality and professionalism
Enjoy it for many years
Impressed with the service
Energy-saving standards
Smooth installation process
Services
Conservatory Roof Replacement
Transform tired conservatories with lightweight tiled or glass lantern roofs. Our one-day installations enhance thermal efficiency and aesthetics, featuring durable materials and optional rectangular glass panels. Ideal for modernising existing structures while maintaining structural integrity.
Double Glazed Windows
High-performance uPVC windows with A-rated insulation reduce energy bills and noise. Custom-manufactured in-house for precise fits, these windows combine security features, low maintenance, and a 10-year guarantee for long-term peace of mind.
Composite Doors
Thermally efficient composite doors with multi-point locking systems enhance home security and curb appeal. Available in various styles, they feature weather-resistant materials and include hook locks approved by insurers.
Glass Lantern Extensions
Brighten interiors with flat roof glass lanterns, perfect for home extensions. These installations maximise natural light while maintaining thermal performance, offering a contemporary alternative to traditional conservatories.
UPVC Fascia Installation
Durable uPVC fascias protect roof edges against weather damage. Available in multiple colours, they improve exterior aesthetics and include gutter systems for efficient water drainage, ensuring long-lasting functionality.
Questions
What areas do you serve?
We cover Hampshire, West Sussex, Portsmouth, Chichester, and surrounding areas including Waterlooville.
Do you offer a guarantee?
Yes, all installations come with a 10-year guarantee and independent insurance-backed warranties.
Are your products energy efficient?
Our windows, doors, and conservatories meet A-rated energy efficiency standards to reduce heat loss.
Can you replace old conservatory roofs?
Yes, we specialise in upgrading polycarbonate or flat roofs to thermally efficient tiled or glass options.
Do you provide repair services?
We offer repairs for double glazing, doors, and conservatories in Portsmouth and East Hampshire postcodes.
Are your installers qualified?
Our team are GGF-certified professionals with over 40 years' experience in glazing installations.
