Business Details
20 Years
experience
Expert Window & Door Installation Services in Colchester
Established in 2006, Cleaver Windows & Doors is an independent family-run business based in Harwich, Essex, with over 25 years of combined industry experience. As a Certass-accredited installer, we specialise in high-quality windows, doors, and conservatories, ensuring all installations meet current building regulations. Our products exceed energy efficiency standards and feature advanced security systems approved by the Association of Chief Police Officers.We offer a 10-year insurance-backed guarantee on all installations, alongside a commitment to honest advice and competitive pricing. Our reputation, built on recommendations and repeat business, reflects our dedication to exceptional workmanship and customer satisfaction. We prioritise transparency, avoiding high-pressure sales tactics, and focus on delivering tailored solutions to meet individual client needs.
Services
Windows
Doors
Conservatories
Bi Folding Doors
Composite Doors
UPVC Entrance Doors
Security Systems
Repairs
Fascias
Soffits
Details
- Year established: 2006
Highlights and features
- We have over 25 years of combined experience in window and door installations.
- Our installations are Certass-registered and comply with building regulations.
- We offer a 10-year insurance-backed guarantee on all products and workmanship.
- Our security systems are police-approved under the Secured by Design scheme.
- We provide honest, no-pressure advice and competitive quotations.
Associations and certifications
- Certass
- Secured by Design
What people say
Expert and thorough workmanship
Highly recommended
Outstanding workmanship
Polite and efficient service
Super pleased with install
Services
Windows
We install UPVC, aluminium, sash, casement, and tilt-and-turn windows with double or triple glazing. Our energy-rated A+14 windows feature high-security locks, police-approved hardware, and 10-year guarantees. All installations comply with building regulations and include Certass registration.
Composite Doors
Our composite doors offer superior security with anti-pick, anti-snap cylinders and multi-point locks. Available in 12 styles and 15 colours, they include 25-year hardware guarantees and 10-year warranties against warping. Certified under PAS23/24 standards for enhanced safety.
Conservatories
Tailor-made conservatories in lean-to, Edwardian, Victorian, and gable-end designs. Available in contemporary or traditional finishes with A+14 energy ratings. Includes 10-year manufacturer guarantees and planning application support where required.
Bi Folding Doors
Stunning aluminium bi-fold doors in various colours and frame types, designed to blend indoor and outdoor spaces. Features include panoramic views, weatherproofing, and 10-year guarantees. Compliant with building regulations and Certass standards.
Repairs
Full repair service for misted units, hinges, handles, and locks using manufacturer-approved parts. Covers UPVC, aluminium, and composite systems with guarantees matching original installations. Ensures long-term functionality and security.
People
Mick Cleaver
Owner
With over 25 years in the industry, Mick leads Cleaver Windows & Doors, prioritising quality and customer satisfaction. His expertise ensures all installations meet Certass standards and building regulations.
James
Installer
James delivers expert installations, praised for professionalism and attention to detail. His work contributes to the company's reputation for reliability and exceptional craftsmanship.
Questions
What services does Cleaver Windows & Doors offer?
We specialise in windows, composite doors, bi-fold doors, conservatories, and repairs, all with Certass-certified installations and 10-year guarantees.
Are your products energy efficient?
Yes, our windows and doors exceed current energy rating regulations, with options up to A+14 efficiency for reduced heating costs.
Do you provide guarantees on installations?
All installations come with a 10-year insurance-backed guarantee, plus extended warranties on hardware and materials.
How secure are your doors and windows?
Our products feature police-approved locks under the Secured by Design scheme, including anti-pick, anti-snap cylinders and multi-point locking systems.
Can you assist with planning permissions?
Yes, we handle planning applications for conservatories and major installations, ensuring compliance with local authority requirements.
Do you offer repair services?
We provide full repair services for sealed units, hinges, handles, and locks, using manufacturer-approved parts to maintain product integrity.