Business Details
40 Years
experience
Emergency
services
Trusted Window & Door Installers in Oxfordshire Since 1986
Admiral Windows has been a trusted name in Oxfordshire's double-glazing industry since 1986, delivering expert installations of windows, doors, conservatories, and roofline products. Our commitment to quality is reflected in our use of industry-leading British and European-manufactured products, installed by highly skilled tradespeople with decades of collective experience. As a FENSA-registered and TrustMark-accredited company, we provide regulatory peace of mind alongside our 10-year insurance-backed guarantee. Our approach prioritises open and honest pricing without pressure sales tactics, ensuring customers receive tailored solutions that meet their specific needs.With a proven track record across residential and commercial projectsincluding schools, hospitals, and government buildingswe combine technical expertise with a personal service that has earned us a loyal customer base. Our dedication to continuous improvement means we actively adopt emerging technologies and sustainable practices to benefit both clients and the environment.
Services
Replacement Windows
Conservatories
Doors
Roof Trim
Fascias and Guttering
Cladding
Window Repairs
Door Repairs
Commercial Glazing
Obscure Glass
Details
- Year established: 1986
Highlights and features
- Established in 1986 nearly 40 years of industry experience
- FENSA-registered window & door installers
- TrustMark accredited company
- No-pressure quotes free, honest, and straightforward
- Focus on service, not sales
Associations and certifications
- FENSA
- TrustMark
What people say
Professional installation team
Excellent aftercare service
Competitive pricing
Energy-efficient solutions
Reliable and trustworthy
Services
Replacement Windows
We supply and install energy-efficient uPVC, aluminium, and timber-effect windows. Our products meet or exceed building regulations for security and thermal performance, featuring multi-point locking systems and low-emissivity glass. Suitable for residential and commercial properties across Oxfordshire, our installations come with a 10-year insurance-backed guarantee.
Conservatories
Custom-designed conservatories and orangeries tailored to individual requirements. We use modern materials to create year-round usable spaces with improved insulation. Options include solid roofs, lantern roofs, and energy-efficient glazing, all installed by experienced professionals with over 35 years' local expertise.
Doors
We offer composite, uPVC, aluminium, and bi-fold doors with enhanced security features. Our door installations include multi-point locking systems, energy-efficient glazing, and custom finishes. Available in various styles to suit traditional and contemporary properties, all installations include professional fitting and aftercare.
Commercial Glazing
Tailored commercial glazing solutions for offices, schools, and retail spaces. Services include aluminium windows, curtain walling, and fire-rated doors. Our qualified installers hold industry certifications for working in sensitive environments, with experience across healthcare, education, and government projects.
Window Repairs
We repair all types of double-glazed windows, including handle replacements, seal renewals, and misted glass unit replacements. Our service engineer provides professional repairs using quality components, with options to upgrade to energy-efficient or soundproof glass units as required.
People
Darren Aldworth
Owner
With over 35 years in the double-glazing industry, Darren leads Admiral Windows' commitment to quality and customer satisfaction. He personally guarantees competitive pricing through his Price Promise, ensuring customers receive exceptional value without compromising on product standards or installation quality.
Chris Dell
Installation Manager
Overseeing all installation projects, Chris ensures every job meets Admiral's high standards. With two decades of experience in fenestration, he manages a team of skilled fitters who prioritise attention to detail and customer care during every home improvement project.
Ashton Crawley
Operations Manager
Ashton coordinates Admiral's day-to-day operations, maintaining efficiency across residential and commercial projects. His expertise in logistics and quality control ensures timely project completion while upholding the company's commitment to exceptional craftsmanship.
Questions
What areas does Admiral Windows cover?
We primarily serve Oxfordshire and surrounding counties including Buckinghamshire, Gloucestershire, Wiltshire, and Warwickshire.
Are your installers qualified?
Yes, our team holds industry-recognised qualifications including FENSA registration, TrustMark accreditation, and specialist certifications for commercial projects.
Do you offer guarantees on your work?
All installations come with a 10-year insurance-backed guarantee and are registered with FENSA for regulatory compliance.
Can you help with emergency repairs?
Yes, we provide emergency repair services for commercial properties requiring urgent glazing solutions.
What payment options are available?
We accept major credit/debit cards and bank transfers. Payment terms can be discussed during your free, no-obligation consultation.
How do you ensure quality installations?
We use only British-made products from trusted manufacturers, installed by experienced professionals who follow strict quality control procedures.
