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8 Years
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Trusted Window & Door Supply and Installation Services
Grand Installations is a trusted window and door supply and installation company established in 2018. Although relatively new as a business entity, our team brings over 15 years of combined experience in the fenestration industry, having previously managed a busy installations office. We specialise in delivering high-quality solutions for both domestic and commercial clients across the UK, with a focus on aluminium, timber, composite, and uPVC products. Our commitment to excellence is supported by industry-recognised accreditations including IPAF, P.A.S.M.A, C.S.C.S, CHAS, and Construction-Line.

We provide a comprehensive service from initial surveying to final installation, backed by a 1-year warranty and dedicated post-installation support. Our qualified team holds Level 3 NVQs in Fenestration and Carpentry, ensuring every project meets the highest standards of craftsmanship and safety. By maintaining a professional office team and a fleet of non-sign-written vehicles, we offer seamless integration with clients' operations while preserving their brand identity. Our nationwide service covers projects of all sizes, from small domestic replacements to large-scale commercial developments.
Services
Window Installation Door Supply Commercial Projects Survey Services Nationwide Service
Details
  • Year established: 2018
Highlights and features
  • We have over 15 years of experience in the fenestration industry.
  • Our team holds Level 3 NVQs in Fenestration and Carpentry.
  • We offer a 1-year warranty on all installations.
  • We are CHAS and Construction-Line accredited.
  • We provide nationwide service from our Cambridgeshire base.
Associations and certifications
  • IPAF
  • P.A.S.M.A
  • S.S.S.T.S
  • C.S.C.S
  • CHAS
  • Construction-Line
Services
Window Installation
We specialise in installing high-quality windows across domestic and commercial properties. Our team handles aluminium, timber, composite, and uPVC systems with precision and care. Backed by a 1-year warranty, our installations ensure energy efficiency, security, and aesthetic appeal for all property types.
Door Supply
We supply premium door systems including front doors, bifolds, and sliding doors in aluminium, timber, and alu-clad materials. Working with leading manufacturers like Schuco and Reynaers, we offer bespoke solutions tailored to architectural specifications and client budgets across the UK.
Commercial Projects
Our commercial services cover curtain walls, windows, and bespoke glazing for large-scale developments. With dedicated office support and qualified installers, we manage projects from surveying to completion, ensuring compliance with building regulations and seamless coordination with main contractors.
Survey Services
We provide professional surveying for accurate measurements and project planning. For a small fee, we take full responsibility for sizing apertures, producing detailed reports on required dimensions and preparatory building works before manufacturing and installation phases.
Nationwide Service
Based in Cambridgeshire, we deliver nationwide supply and installation services across the UK. Our experienced team handles projects of all sizes, from local residential replacements to major commercial contracts, ensuring consistent quality and reliability wherever we operate.
Questions
What areas do you serve?
We operate nationwide from our Cambridgeshire base, covering all UK regions for window and door supply and installation projects.
What accreditations do you hold?
We are accredited by CHAS, Construction-Line, IPAF, P.A.S.M.A, S.S.S.T.S, and C.S.C.S, with installers holding Level 3 NVQs in Fenestration.
Do you offer warranties?
Yes, we provide a 1-year warranty on all installations, along with goods-in-transit insurance for our vehicles and equipment.
Can you handle commercial contracts?
Yes, we specialise in commercial glazing projects including curtain walls, with dedicated office support and qualified teams for large-scale developments.
What materials do you work with?
We install aluminium, timber, composite, and uPVC windows and doors, working with leading manufacturers to provide bespoke solutions for all property types.
Are your installers qualified?
All our installers hold Level 3 NVQs in Fenestration or Carpentry, ensuring professional standards and compliance with industry safety requirements.