Business Details
14 Years
experience
Expert Windows, Doors & Conservatories in Manchester
We are a family-run business based in Manchester with over 30 years of combined experience in the glazing industry. Established as ADG 13 years ago, our owner transitioned from an installer to a business leader, ensuring hands-on expertise in every project. We specialise in supplying and installing A+ rated double-glazed windows, composite doors, bifolds, and rainwater systems, prioritising security, energy efficiency, and durability.Our team holds Corgi Fenestration certifications, and we offer 10-year warranties on mechanical components and profiles. With no salespeople involved, we provide honest quotes and fast installation dates, focusing on customer satisfaction through reliable, certified installations tailored to modern and period properties alike.
Services
Composite Doors
Signature Windows
BiFold/Patio Doors
Aluminium Range
Roofs
Rainwater Products
Details
- Year established: 2012
Highlights and features
- Over 30 years of combined industry experience.
- Corgi Fenestration-certified installations for quality assurance.
- No salespeople involveddirect, honest quotes.
- 10-year warranties on mechanical components and profiles.
- Fast installation dates with reliable, certified teams.
Associations and certifications
- Corgi Fenestration
Services
Composite Doors
Our composite doors combine security, energy efficiency, and aesthetic appeal. Constructed with a Kerto timber core and PVC-u skins, they resist warping and offer realistic wood grain finishes. Enhanced security features include 10-year mechanical warranties and Secured by Design options, ensuring durability and peace of mind for homeowners.
Signature Windows
Signature Collection windows provide slim sightlines, superior insulation, and modern aesthetics. Available in casement, sash, and tilt-and-turn styles, they achieve A++ energy ratings with U-values as low as 0.8. Features include 10-year mechanical warranties and enhanced security options for improved safety.
BiFold/Patio Doors
ModLok bi-fold and patio doors offer strength, security, and seamless indoor-outdoor living. Engineered with patented exoskeleton designs, they support large openings up to 900mm x 2150mm. Options include aluminium for heavy-duty applications and 10-year profile warranties for long-term reliability.
Aluminium Range
Aluminium windows and doors deliver sleek, durable solutions with narrow frames and maximum glass areas. Ideal for contemporary homes, they provide excellent thermal and sound insulation. Features include corrosion resistance, slim profiles, and compatibility with advanced locking systems for enhanced security.
Roofs
Our tiled and flat roof systems offer year-round comfort with premium honeycomb insulation. Tiled roofs reduce noise and heating costs, while flat roofs with EPDM rubber ensure durability. Both options are building control approved, adding property value and thermal efficiency.
Questions
What services do you offer?
We supply and install composite doors, windows, bifolds, aluminium glazing, and insulated roofs, all with energy-efficient and security-focused features.
Do you provide warranties?
Yes, we offer 10-year mechanical warranties on locks, handles, and profiles, along with lifetime coatings on select hardware.
How long have you been in business?
We’ve traded as ADG for 13 years, with our owner bringing 33 years of industry experience from installer to leadership roles.
Are your installers certified?
Yes, all installations include Corgi Fenestration certificates, ensuring compliance with industry standards and quality assurance.
How can I request a quote?
Visit our website to design windows/doors online or contact us directly via phone or email for a free, no-obligation quote.
