Approved Installers

Double Glazing Crawley

Double Glazing Crawley

Competitive Prices. High Quality Products. Exceptional Service.

Who's working in your home? Our installers are DBS (criminal record checked) for your complete peace of mind

Replacement Windows
Replacement Doors
White UPVC Conservatory
Secondary Glazing
Replacement Guttering, Fascia and Soffit
Patio Canopy
Double Glazing Repairs
DIY Double Glazing


We're approved double glazing installers serving Crawley. We supply and fit aluminium & UPVC windows, doors and conservatories throughout West Sussex. Allard Double Glazing is a family company established over 35 years. All quotations are free, no obligation and no pressure.

Fully Registered

Fully Registered

We are fully insured, approved and certified installers that provide 10 year insurance backed guarantees. We're also members of Trustatrader, The Guild of Master Craftsmen, The Federation of Small Businesses, Certass and Quality Assured National Warranties.

Energy Efficient

Efficient & Secure

A rated as standard with upgrades available, all of our windows and doors give you superior thermal performance and feature up to the minute multipoint locking systems along with high quality hardware and fittings from quality renowned, trusted manufacturers.

Made In Britain

Made In Britain

Our range of VEKA Halo windows, doors and conservatories are manufactured and tested at a state of the art facility in Hampshire and fitted by our own, locally employed installers who have each been with us for over 10 years and hold qualification in installation.

Security and Comfort Combined

Keeping your home safe, secure and insulated against outside temperatures is an important priority in terms of both comfort and energy savings. One of the most effective and efficient ways to accomplish of these elements is through the use of professional double glazing. Our small team are pleased to be able to offer a number of high quality solutions based entirely around the needs of you, the homeowner. Whether its doors, windows or entire conservatories, we are only a phone call away.

Thanks to years of experience within the industry, our team of glazing specialists are capable of handling both small and large projects. Such an approach will naturally be based around the needs of the individual customer.


We provide double-glazed windows in a vast variety of colours, styles and finishes. Not only are our products pleasing to the eye, but superior levels of thermal efficiency can help you to save on heating costs. High levels of security and reduced ambient noise from the outside environment makes for a more comfortable and secure home.


Our range of uPVC doors is likewise able to meet demanding expectations. French and patio models, bi-fold units and front doors are some common options to choose from. Durable uPVC, aluminium and lightweight composite materials are all available upon request. As before, we can accommodate a wide range of styles and colour preferences. These units all highly secure thanks to the inclusion of multi-point locking mechanisms and customers will be pleased with their durability and low-maintenance benefits.


A growing number of Crawley residents are also employing our services when they require beautiful, highly functional conservatories. Whether its a classic Victorian style or a contemporary design, we are here to help.

All of our products are built to last and they will offer any home a unique ambience. Thanks to more than 35 years of experience, you can rest assured that even the finest of details will be addressed from the very beginning. All of our employees are trained experts within their field and employed by us, they are not sub-contractors. Whether you require a replacement window, a new door or a stylish conservatory, we are more than capable of attending to your needs with care and attention you'd expect from a time-served, family company.

  • Guild Of Master Craftsmen
  • Federation Of Small Businesses
  • Halo
  • Trustatrader
  • Certass
  • QANW