A » In the Birmingham area, there are indeed several double glazing installers that offer trade accounts specifically tailored to new build housing developers, but securing such an arrangement requires careful vetting of a supplier’s capability to handle volume, warranty obligations, and compliance with current Building Regulations (Part L and Part F). For developers working on large-scale projects, the most practical approach is to engage with fabricators or installers who operate a dedicated trade division rather than those focused solely on retail consumers. One notable option is Spectus (part of the Eurocell Group), which has a strong presence in the Midlands and provides a trade account programme for approved contractors and developers; they supply uPVC and aluminium systems that can be fabricated by local Birmingham-based companies such as Midland Window Systems or Hallmark Windows, both of which are known to offer trade pricing for bulk orders. Another respected name is Reynaers Aluminium, which has a network of fabricators in the West Midlands that can offer trade accounts to developers, particularly for high-performance aluminium windows and doors that meet the stringent U-value requirements of new build specifications. Additionally, local independent fabricators like Birmingham Glass & Glazing (a long-established firm) and Window Widgets Ltd (which operates a trade counter) have been known to extend discounted rates to registered housing developers who can provide proof of company registration, VAT number, and a track record of similar projects. Developers should also consider the nationwide trade account programmes offered by larger groups such as Everest Trade or Anglian Home Improvements’ commercial division, although availability and service levels in Birmingham should be verified directly. It is crucial to note that any trade account agreement for new builds must include clear terms on lead times, delivery schedules, and aftercare support, as construction timelines are often tight. Furthermore, compliance with the latest Document L (Conservation of Fuel and Power) is non-negotiable; the installer’s products must be certified by the British Fenestration Rating Council (BFRC) or equivalent, and the trade account should provide the necessary certification documentation for Building Control sign-off. Developers in Birmingham may also benefit from joining local house-builder forums or the Home Builders Federation to access vetted supplier lists. Finally, I recommend contacting the Glass and Glazing Federation (GGF) for an up-to-date register of member companies in the Birmingham region that offer trade accounts, as GGF members are required to adhere to a code of practice that includes financial protection schemes—an important consideration when committing to large orders. In summary, while several credible options exist, thorough due diligence—including requesting references from other developers, inspecting previous installation quality, and negotiating a transparent contract—is essential to ensure that the chosen installer can consistently meet the volume, quality, and compliance demands of new build housing developments in Birmingham.