Business Details
Your Trusted Partner for Windows & Doors in Portsmouth
Established over four decades ago, BJH Windows has built a reputation as a trusted provider of premium glazing solutions across the South Coast. As a third-generation family-run business, we combine traditional values with modern innovation to deliver bespoke windows, doors, conservatories, and roofing systems. Our FENSA-approved status and ISO9002 certification reflect our commitment to quality craftsmanship and customer satisfaction. With a dedicated team of in-house installers and a 5-year guarantee on all installations, we prioritise transparency, durability, and energy efficiency in every project.Our Hampshire-based showroom showcases 10 conservatories and over 20 window and door styles, allowing clients to experience our products firsthand. From initial consultation to final installation, we maintain rigorous standards, ensuring seamless service for residential and commercial clients alike.
Services
Windows
Doors
Conservatories
Roofline Products
Porches
Garage Doors
Warm Roofing Systems
Highlights and features
- Over 40 years of local experience in window and door installations
- Fully FENSA-regulated and ISO9002-certified quality assurance
- Expert in-house installation teams with no subcontractors
- 5-year parts and labour guarantee on all installations
- Customer-centric process from consultation to completion
Associations and certifications
- FENSA
- Guild of Master Craftsmen
- ISO9002
What people say
Excellent service
Professional installers
High-quality products
Reliable and timely
5-year guarantee
Services
Windows
We offer a comprehensive range of windows including double and triple-glazed options, sash windows, and Residence 9 designs. Our energy-efficient windows feature A++ ratings, 23 standard colourways, and durable frames. Each installation enhances thermal performance while maintaining aesthetic appeal for both modern and traditional properties.
Conservatories
Our conservatories combine style and functionality with 100mm A++ energy ratings and heat protection technology. Available in various designs, they feature durable frames and thermal efficiency to create year-round living spaces that add value to residential properties.
Roofline Products
We supply and install guttering, fascias, soffits, and bargeboards designed to withstand British weather conditions. Our systems prevent water damage, bird nesting, and damp while enhancing kerb appeal with colour-matched and woodgrain finish options.
Warm Roofing Systems
Our warm roofing systems transform conservatories with U-values as low as 0.12 W/mK. Featuring configurable solid or glazed panels, these roofs improve insulation and durability while maintaining aesthetic appeal for both new and existing structures.
Porches
We design and install bespoke porches with multi-point locking systems and Secured by Design accreditation. Available in pitched, gable, or flat roof styles, our porches enhance security, weather protection, and property value with customisable design options.
People
Alan Hamilton
Director
With over 40 years in the industry, Alan co-founded BJH Windows and has steered the company through economic challenges while maintaining traditional values and quality standards.
Colin Giles
Director
Colin has been instrumental in BJH Windows' growth, combining modern thinking with practical expertise to ensure the company remains a trusted local business for glazing solutions.
Questions
Are your installations FENSA compliant?
Yes, all our window and door installations meet FENSA regulations with full certification provided.
Do you offer a guarantee on installations?
We provide a 5-year parts and labour guarantee on all our installations.
Can I view products before purchasing?
Our Hampshire showroom displays 10 conservatories and over 20 window and door styles for customers to explore.
Do you handle planning permissions?
We assist with necessary planning permissions and building regulation compliance for all projects.
Are financing options available?
Yes, we offer credit options subject to status through our partnership with Novuna Personal Finance.
Do you install both residential and commercial properties?
We provide tailored solutions for both residential homes and commercial buildings across the South Coast.
