Business Details
20 Years
experience
Premium Windows & Doors in Harwich
Established in 2006, Cleaver Windows & Doors is an independent family-run business based in Harwich, Essex, with over 25 years of combined industry experience. We specialise in the supply and installation of high-quality windows, doors, and conservatories, prioritising reputation, craftsmanship, and compliance with current building regulations. As a Certass-registered company, we offer a 10-year insurance-backed guarantee on all installations, ensuring peace of mind for our clients. Our products exceed energy efficiency standards and feature advanced security systems approved by the Association of Chief Police Officers' Secured by Design scheme. We pride ourselves on providing professional, honest advice without high-pressure sales tactics, focusing on tailored solutions to meet individual customer needs.Our team holds the Minimum Technical Competencies (MTC) qualification, underscoring our technical expertise and commitment to quality. Every installation is registered with Certass, and customers receive a building regulation certificate. We offer a comprehensive repair service for misted or broken sealed units, hinges, handles, and locks, using parts directly from manufacturers. Our conservatories are custom-designed to client specifications, available in styles such as Lean-to, Edwardian, and Victorian, with energy ratings up to A+14. We also install UPVC, aluminium, and bi-folding doors with multi-point locking systems, anti-pick cylinders, and triple-sealed frames for enhanced security and thermal efficiency.
Services
Conservatories
Composite Doors
UPVC Entrance Doors
Bi Folding Doors
Windows
Repairs
Fascias
Soffits
Guttering
Details
- Year established: 2006
Highlights and features
- We have over 25 years of experience in the industry.
- We are a Certass-registered company with MTC qualification.
- All installations come with a 10-year insurance-backed guarantee.
- Our products feature police-approved security locking systems.
- We offer honest advice with no pressure sales tactics.
Associations and certifications
- Certass
- Secured by Design
- PAS23
- PAS24
What people say
Outstanding workmanship
Highly recommended
Expert and thorough
Polite and efficient
5 stars every time
Services
Composite Doors
Our composite doors combine durability and security with advanced multi-point locking systems. Engineered with GRP for thermal efficiency, they resist warping and offer 25-year guarantees on hardware. Available in 12 styles and 15 colours, they meet PAS23/PAS24 standards for police-approved security.
Bi-Folding Doors
Aluminium bi-folding doors create seamless indoor-outdoor spaces with customisable colours and frame types. Featuring high-security locks and weatherproof seals, they comply with building regulations and include a 10-year guarantee.
UPVC Windows
A-rated UPVC windows offer double/triple glazing, anti-jemmy devices, and 9-point locking systems. Available in sash, casement, or tilt-and-turn styles, they include a 10-year guarantee against warping and discolouration.
Conservatories
Tailor-made conservatories in Edwardian, Victorian, or bespoke designs with A+14 energy ratings. Includes planning assistance, 10-year guarantees, and police-approved security features for peace of mind.
Repairs
Full repair service for misted units, hinges, and locks using manufacturer parts. Covers UPVC, aluminium, and composite systems with a focus on restoring security and functionality.
People
Mick Cleaver
Director
With over 25 years in the industry, Mick leads installations and ensures compliance with Certass standards and building regulations.
James
Installer
James delivers expert craftsmanship on conservatories and door installations, praised for attention to detail and customer service.
Questions
What services does Cleaver Windows & Doors offer?
We specialise in windows, doors, conservatories, and repairs, including UPVC, aluminium, and bi-folding options with advanced security features.
Are your products energy efficient?
Yes, our windows and doors exceed energy rating regulations, with conservatories rated up to A+14 for efficiency.
Do you provide guarantees on installations?
All installations come with a 10-year insurance-backed guarantee and Certass registration.
How secure are your doors and windows?
Our products feature police-approved locking systems, anti-pick cylinders, and Secured by Design certification.
Can you assist with planning applications?
Yes, we offer a personal design service and handle planning applications with local authorities if required.
Do you offer repair services?
We provide repairs for misted units, hinges, handles, and locks using manufacturer-sourced parts.
