Commercial Glazing and Contracts

Commercial Glazing and Contracts

Project Description

Commercial Glazing and Contracts

Window Warehouse offers commercial glazing products and solutions from aluminium shopfronts to high rise properties, domestic window contracts to executive house developments. We are a manufacturer of AluK products and can offer expert specification advice for demanding commercial projects.

Architect and specification support

Our team has years of experience and is on hand to advise on the best specification for your project. Because Window Warehouse is an approved fabricator for AluK aluminium and Halo PVCu windows & doors, we offer a wider range of glazing solutions to save you time and meet your budget.

Talk to us about your project.

Need help with your project?

Quality manufacturing

Since 1986 we’ve fabricated our complete range of window and door products at our factory in Portsmouth. Manufactured in accordance with ISO 9001 quality standards and BS 14351, our products are CE marked and tested to PAS 24 security and BS 6375 performance standards.

Window Warehouse

Refurbishment windows and doors

Window Warehouse has completed prestigious refurbishment housing contracts such as the Rowner Renewal Project in Gosport, Hampshire. We focus on providing the best quality products to achieve high standards of security, energy efficiency and aesthetics.


Windows & doors for developer and self-build housing

With our expert advice, big product range and fast order turnaround, we will give you all the support you need for your house development. We’re used to working to build schedules and understand the demands of new build projects. We will advise you on the range of window and door options available and offer a wide choice of styles and colours in both aluminium and UPVC products.


Commercial glazing for builders

We’ve been supplying the trade for over 30 years in Portsmouth and across the south coast. We manufacture high quality aluminium shopfronts and commercial door systems, as well as commercial glazing for new build and refurbishment projects. See our range of aluminium windows here.

Our commercial glazing solutions include:

  • Aluminium windows with a powder coated finish in any RAL colour
  • Dual coloured option with the outside colour different to inside
  • Thermally broken and non-thermally broken shopfronts
  • PVCu and aluminium windows in Casement, Tilt & Turn and Vertical Sliding designs
  • Glass options from single pane to triple glazing
  • Internally and externally beaded options
  • High security, multipoint locking
  • Document Q Security Building Regulation compliant
  • BS6375 weather rated
  • CE marked products
Window Warehouse
Window Warehouse
ALuk GT55

About Us

Malcolm Cake started Window Warehouse in 1986 and over 30 years later we are still serving some of our original customers. We are one of Halo’s longest standing trade fabricators and manufacture in Portsmouth.


We test our products to PAS 24 standards, meeting the latest Document Q Building Regulation requirements for new buildings.

Independent Network

Since 1996 over 230,000 homeowners have chosen a Network VEKA approved installer to fit their windows or doors. Now developed into the Independent Network, Window Warehouse is an Approved Trade Fabricator so talk to us about our outstanding installer support.


Our team is on hand to give you all the support you need. Our experts can give you technical and installation advice and offer we professional marketing and business support with our exclusive Haven retail brand promoted across Hampshire and the South Coast.

Quality First

Our windows and doors are manufactured to ISO 9001 : 2015 Quality Assurance and CENSolutions CMS Mark (CMS 6023W): Factory Production Control System compliance to EN 14351-1:2006. All our products also hold the CE Marking certification.
Halo from Window Warehouse

Halo Installer Scheme

Powerful marketing support and exclusive sales leads in your area are two advantages of the free-to-join Halo Approved Installer Scheme. As one of the longest standing Halo Trade Fabricator partners Window Warehouse.