Business Details
41 Years
experience
Trusted Secondary Glazing and Door Solutions in Aldershot
Established in 1985, Seasonmaster is a family-run business specialising in the design, manufacture, and installation of secondary glazing, bi-fold doors, patio doors, entrance doors, and UPVC windows. With over three decades of experience, we serve both trade and retail customers across the UK, offering tailored solutions for noise reduction, thermal efficiency, and architectural enhancement. Our in-house production capabilities, combined with a commitment to innovation, enable us to deliver high-quality products that meet diverse customer needs.Headquartered in Aldershot, Hampshire, we pride ourselves on maintaining a customer-centric approach, ensuring every project benefits from our technical expertise and dedication to excellence. Our acoustic glazing technology has become an industry standard, providing effective sound relief for residential, commercial, and industrial properties. By continuously expanding our product range while retaining traditional values of service and reliability, we have grown from a small family enterprise to a trusted name in the building materials sector.
Services
Secondary Glazing
Bi-Fold Doors
Patio Doors
Entrance Doors
UPVC Windows
Flat Roof Lights
Details
- Year established: 1985
Highlights and features
- Family-run business established in 1985 with in-house manufacturing
- Price-matching guarantee saving customers at least 5%
- Nationwide delivery and installation services
- Specialists in acoustic glazing technology since 1985
- Expanded product range while maintaining quality standards
Services
Secondary Glazing
Our secondary glazing systems provide effective noise reduction and thermal insulation for listed buildings and modern properties. Custom-manufactured since 1985, these solutions preserve architectural integrity while improving energy efficiency. Available in multiple configurations including vertical sliders, hinged panels, and fly screens, with optional acoustic glass for enhanced soundproofing.
Bi-Fold Doors
The Aluna bi-fold system offers slimline aluminium doors with superior security and thermal performance. Available in square or textured profiles, these doors feature adjustable jambs and universal lock keeps for easy installation. Suitable for single doors, French doors, and bifolding windows, with optional heritage astragal bars and low-threshold accessibility options.
Entrance Doors
Premium aluminium entrance doors combining security, thermal efficiency, and modern design. The Primo and Cielo ranges offer U-values as low as 0.68 W/mK with PAS24 certification. Customisable with sidelights, top lights, and smart access systems, available in multiple colours and finishes for both contemporary and traditional properties.
UPVC Windows
Local supply and installation of energy-efficient UPVC windows in Aldershot and surrounding areas. Our showroom displays Deceuninck products with A-rated energy performance. Available in heritage and modern styles, featuring secure locking systems and double-glazed units for improved insulation and noise reduction.
Flat Roof Lights
Aluminium flat roof lights designed for extensions and modern renovations. These thermally broken systems feature double glazing as standard, available in multiple sizes with powder-coated black or grey finishes. Precision-engineered for watertight performance and maximum natural light transmission while maintaining a sleek, flush aesthetic.
People
Andrew Fletcher
Founder
Established Seasonmaster in 1985, pioneering secondary glazing solutions for UK markets. Laid the foundation for the company's technical expertise in acoustic glazing systems.
Gerda Fletcher
Co-Founder
Co-founded Seasonmaster with Andrew Fletcher, contributing to the company's early development and commitment to quality craftsmanship in secondary glazing manufacturing.
Gary Fletcher
Managing Director
Joined the business in 1994, now leading operations with his wife Zuzana. Instrumental in expanding product range and increasing annual turnover from 400k to over 1m in recent years.
Zuzana Fletcher
Director
Supports Gary in business management, focusing on customer service and operational efficiency. Part of the family leadership team maintaining Seasonmaster's independent status and growth trajectory.
Questions
What areas do you serve for installations?
We provide nationwide delivery and installation for secondary glazing systems, with local supply and fitting services for UPVC windows and doors in the Aldershot area.
Are your products suitable for listed buildings?
Yes, our secondary glazing solutions are specifically designed for heritage properties where original windows cannot be restored, offering noise reduction without altering architectural features.
Do you offer price matching?
We guarantee to match any genuine quotation and save customers at least 5% on total costs for comparable products and services.
What security features do your doors have?
Our aluminium doors include multi-point locking systems, reinforced hinges, and PAS24-certified security features to meet UK safety standards for residential and commercial properties.
Can I customise the product colours?
We offer standard RAL colour options with custom powder coating available, including dual-tone finishes for aluminium windows and doors to match property aesthetics.
How energy efficient are your products?
Our glazing systems achieve U-values as low as 0.68 W/m²K with Window Energy Ratings up to A, meeting Part L building regulations for thermal performance and energy conservation.
