Business Details
40 Years
experience
Trusted Window and Door Installers in Oxfordshire Since 1986
Admiral Windows has been a trusted name in Oxfordshire's home improvement industry since 1986, specialising in windows, doors, conservatories, and roofline solutions. Our team combines decades of hands-on experience with a commitment to using only British and European-manufactured products from leading suppliers. As FENSA-registered and TrustMark-accredited installers, we uphold the highest standards of quality and compliance, ensuring every project meets rigorous regulatory requirements. Our skilled tradespeople approach every installation with meticulous attention to detail, treating each home as if it were their own. With a proven track record spanning nearly 40 years, we've built lasting relationships with homeowners, schools, hospitals, and commercial clients across Oxfordshire and beyond.Our dedication to open and honest pricing, backed by a 10-year guarantee on all installations, has earned us a loyal customer base through repeat business and referrals. We prioritise customer satisfaction over sales tactics, offering free, no-obligation quotes and comprehensive aftercare services. Our continuous investment in staff development and adherence to modern industry practices ensures we deliver energy-efficient, secure, and aesthetically pleasing solutions that enhance property value and occupant comfort.
Services
Windows
Doors
Conservatories
Roof Trim
Repairs
Details
- Year established: 1986
Highlights and features
- Established in 1986 with nearly 40 years of local experience
- FENSA-registered window and door installers
- TrustMark accredited for quality assurance
- No-pressure quotes with transparent pricing
- Dedicated service engineer for ongoing support
Associations and certifications
- FENSA
- TrustMark
Services
Window Installation
We specialise in installing energy-efficient uPVC, aluminium, and timber windows. Our range includes stormproof casement, flush casement, vertical sliding sash, and tilt-and-turn options. All installations use British-made products with multi-point locking systems and energy-rated glass. Our skilled fitters ensure minimal disruption while delivering secure, thermally efficient solutions that meet building regulations.
Door Installation
Our door installation service covers composite, uPVC, aluminium, bi-fold, and sliding patio doors. We offer secure, weather-resistant options with modern designs and custom configurations. All installations include multi-point locking systems and energy-efficient glazing. Our team ensures proper alignment and functionality while maintaining the aesthetic integrity of your property.
Conservatory Building
We design and build custom conservatories and orangeries tailored to your space and requirements. Our solutions feature modern materials with solid roofs, lanterns, or skypods for year-round use. We handle all aspects from foundations to glazing, ensuring structural integrity and thermal efficiency while maximising natural light and property value.
Roofline Replacement
Our roofline services include fascia, soffit, and gutter replacement using maintenance-free materials. We install durable, weather-resistant solutions that protect against water damage while enhancing curb appeal. The work is carried out by experienced technicians using safety-compliant methods for long-lasting performance and improved property aesthetics.
Glass Repairs
We offer comprehensive glass repair services for misted units, broken panes, and damaged seals. Our team replaces glass with energy-efficient alternatives while maintaining original window specifications. We also repair hardware including hinges, handles, and locking mechanisms, restoring functionality to existing windows and doors without full replacement.
People
Chris Dell
Installation Manager
With over 20 years in the industry, Chris oversees all installation projects ensuring quality standards and customer satisfaction. He manages our skilled team to deliver efficient, professional service on every job.
Ashton Crawley
Operations Manager
Ashton coordinates daily operations, managing resources and logistics to maintain our high service standards. He ensures smooth project execution from quotation to completion across Oxfordshire.
Nigel Willis
Service Manager
Nigel leads our repair and maintenance division, handling post-installation support and addressing customer needs with technical expertise and prompt service.
Darren Aldworth
Owner
As owner, Darren established our 'Open and Honest Pricing' policy and personally guarantees competitive quotes. He oversees business strategy while maintaining customer-focused service principles.
Mason Fowler
Apprentice Installer
Mason is part of our next-generation team, learning from experienced professionals to maintain our high installation standards for future projects.
Questions
How long has Admiral Windows been in business?
Admiral Windows has been serving Oxfordshire since 1986, with nearly 40 years of experience in window, door, and conservatory installations.
Are Admiral Windows FENSA-registered?
Yes, all our window and door installations are registered with FENSA, the government-authorised compliance scheme for fenestration.
Do you offer guarantees on your installations?
Every installation comes with an insurance-backed guarantee and our own Admiral 10-year warranty for complete peace of mind.
What areas do you cover?
We primarily serve Oxfordshire and surrounding counties, including Abingdon, Bicester, Witney, Banbury, and Wallingford.
Can you help with commercial glazing projects?
Yes, we provide commercial glazing solutions for schools, hospitals, retail spaces, and industrial units across Oxfordshire.
Do you offer repair services for existing installations?
We provide comprehensive repair services for windows, doors, and conservatories, including glass replacement and locking mechanism upgrades.
