Business Details
50+ Years
experience
Expert Windows & Doors Installation in Chorley
Established in 1975, Grosvenor Windows has built a reputation as a trusted provider of premium home improvement solutions. Our 40-year heritage combines family values with cutting-edge technology, offering bespoke windows, doors, conservatories, and orangeries for residential and commercial clients. As part of the Croston Grosvenor Windows Group since 2019, we leverage enhanced resources while maintaining our commitment to local service. Our team has delivered over 30,000 installations, specialising in thermally efficient 'A' rated systems with U-values as low as 0.8. We maintain strict quality control through Network VEKA membership, ensuring 10-year insurance-backed guarantees. Our technical expertise includes advanced security features like Sold Secure Diamond-rated locking mechanisms and Secured by Design certifications.We operate a state-of-the-art manufacturing facility alongside our Chorley showroom, serving clients with personalized project management from concept to completion. Our product range includes Passivhaus-compliant solutions and hybrid systems combining uPVC and aluminium for optimal performance. With three decades of commercial experience, we cater to schools, offices, and social housing projects. Continuous staff training ensures adherence to British Standards Institute (BSI) 3-star requirements, maintaining our position as North West England's leading home improvement specialists.
Services
uPVC Windows
Composite Doors
Aluminium Windows
Bi-Fold Doors
Conservatories
Orangeries
Porches
Flat Roofs
Roofline
Extensions
Details
- Year established: 1975
Highlights and features
- Award-winning customer service with Network Veka reviews
- 10-year comprehensive guarantee on all products
- Advanced locking mechanisms with high security ABS key
- A+21 and Passivhaus energy-rated solutions
- 40 years of industry experience
Associations and certifications
- Secured by Design
- BSI 3 star
- Sold Secure Diamond
- Network VEKA 10-Year Guarantee
What people say
Clean, tidy and great workers
Great customer service
Excellent work
Talk of the street
Professional and friendly manner
Services
uPVC Windows
Our A+21 rated uPVC windows feature triple-glazed units with U-values as low as 0.8. Advanced locking systems include anti-bump and anti-drill mechanisms. Available in 24 standard colours with optional Passivhaus certification. Each installation comes with a 10-year insurance-backed guarantee. Ideal for improving thermal efficiency while maintaining traditional aesthetics.
Composite Doors
70mm high-density composite doors with multi-point locking systems. Sold Secure Diamond-rated security features include anti-snap cylinders and reinforced frames. Available in wood-effect finishes or modern RAL colour matches. Triple-glazed units with sealed decorative glass options. Provides exceptional draughtproofing through double rebate seals.
Conservatories
Custom-designed conservatories with Smart Glass technology and tiled roofing systems. Full compliance with current building regulations for thermal efficiency. Options include dwarf walls, brick-built bases, and Victorian-style rooflines. Includes full roofline replacement and GRP flat roof solutions with Firestone rubber roofing options.
Orangeries
Bespoke orangeries combining traditional architectural elements with modern insulation. Features include solid roofs with integrated Smart Glass panels, brick pillars, and full design consultation. Available with underfloor heating compatibility and automated ventilation systems. Includes structural guarantee and energy performance certification.
Roofline
Full roofline renewal with UPVC fascias, soffits, and guttering systems. Includes removal of existing timber components and installation of weather-resistant materials. Includes insulation upgrades and ventilation solutions. Available with matching colour schemes and compatible with existing gutter systems.
Questions
Do you provide installation services?
Yes, we offer full supply and installation for all products, including complex projects like orangeries and extensions.
What energy efficiency ratings do you offer?
Our windows and doors achieve 'A' rated efficiency with U-values as low as 0.8 and A+21 certification.
How long is your product guarantee?
We provide a minimum 10-year comprehensive guarantee on all installations, backed by Network VEKA.
Are your products Secured by Design certified?
Yes, our doors feature Sold Secure Diamond-rated locks and Secured by Design certification.
Do you work with commercial clients?
We serve schools, offices, and housing associations with tailored solutions since 1986.
Can I customise door designs?
Choose from 24 standard colours or bespoke matching for doors with multiple glazing options.
