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25 Years
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Castle Windows: Trusted Local Installers
Castle Windows has been a trusted provider of premium windows and doors in the Morecambe and Lancaster area for over two decades. Established with a commitment to quality and customer satisfaction, we specialise in supplying and installing A-rated energy-efficient products designed to enhance both the aesthetics and security of residential properties. Our offerings include a comprehensive range of windows and doors, from traditional casement and flush sash designs to modern bi-fold and composite options, all featuring advanced security mechanisms that often reduce insurance premiums.

Backed by a 10-year guarantee and CORGI Fenestration accreditation, our team of experienced professionals prioritises precision and reliability in every installation. With a strong reputation built on word-of-mouth recommendations, we combine technical expertise with a customer-centric approach, ensuring tailored solutions that meet individual needs while maintaining the highest industry standards.
Services
Casement Windows Bi-Fold Doors Composite Doors Flush Sash Windows French Doors
Details
  • Year established: 2001
Highlights and features
  • Over 20 years of local experience in window and door installations
  • CORGI-accredited professionals ensuring industry-standard compliance
  • Free extended warranties with all products
  • Proven reputation through client recommendations
  • A-rated energy-efficient products with advanced security features
Associations and certifications
  • CORGI Fenestration
  • Secured by Design
What people say
Great quality and price Professional service from start to finish Pristine installations completed efficiently Knowledgeable and personable fitters Highly recommend to others
Services
Casement Windows
Casement windows offer versatile British-style designs with slim sightlines to maximise natural light. Available in double or triple glazing with energy-efficient profiles achieving U-values as low as 0.8. Durable, low-maintenance options include mock sash horns, Georgian bars, and over 20 colour choices. These windows combine security features with aesthetic appeal for residential properties.
Bi-Fold Doors
Custom-engineered uPVC bi-fold doors provide seamless indoor-outdoor transitions. Featuring high-security locking systems and thermal efficiency, they come in standard or bespoke colours with optional triple glazing. Designed for durability and ease of operation, these doors include threshold options compliant with accessibility regulations while maintaining sleek modern aesthetics.
Composite Doors
Composite doors combine enhanced security with traditional styling. Constructed with reinforced frames and multi-point locking systems, they offer superior insulation and weather resistance. Available in various finishes including woodgrain effects and solid colours, these doors maintain their appearance without painting, backed by a 10-year mechanical warranty on hardware components.
French Doors
French doors provide a classic alternative to sliding patio doors, featuring sculptured profiles and security-enhanced glazing options. Available in chamfered or sculptured designs with triple glazing capabilities, they include threshold choices for disabled access compliance. These doors combine traditional aesthetics with modern security features certified under the Secured by Design scheme.
Flush Sash Windows
Flush sash windows offer contemporary styling with sashes that sit flush with the frame when closed. Designed for minimal visual disruption, they feature energy-efficient profiles and security hardware meeting police-preferred specifications. Available in multiple colours with optional triple glazing, these windows provide thermal efficiency and low-maintenance performance for modern properties.
Questions
What types of windows and doors do you install?
We specialise in casement, bi-fold, flush sash, French, and composite doors, all available in various styles and security specifications.
Are your products energy efficient?
All windows and doors achieve A+ energy ratings with optional triple glazing achieving U-values as low as 0.8 for maximum thermal efficiency.
Do you offer warranties on installations?
Every installation includes a 10-year mechanical warranty covering hardware and locking systems, with extended protection included at no extra cost.
Are your installers certified professionals?
Our team consists of CORGI Fenestration-accredited installers who meet the highest industry standards for window and door fitting.
Can I customise my window and door designs?
We offer over 20 standard colours, multiple glazing options, and bespoke finishes alongside decorative elements like Georgian bars and security-enhanced hardware.
How long does the installation process take?
Most single-property installations complete within a day, with larger projects scheduled efficiently to minimise disruption to homeowners.
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