Business Details
39 Years
experience
Trusted Home Builders in Rossendale | CDM Conservatories Windows & Doors
Established in 1987, CDM Conservatories Windows & Doors has built a reputation for excellence in providing bespoke uPVC windows, doors, conservatories, and related structures across the North West of England. Our team of Certass-certified engineers combines technical expertise with a commitment to quality, ensuring every project meets the highest standards of energy efficiency and security. With over three decades of experience, we specialise in transforming homes through innovative design and precision installation. Our showroom in Waterfoot, Rossendale, allows clients to explore fully erected examples of our work, from contemporary bi-folding doors to solid-roof conservatories.We partner with leading suppliers to deliver cutting-edge glazing solutions, backed by a 10-year installation guarantee. As a family-run business, we prioritise customer satisfaction, offering tailored advice and aftercare support. Our services extend to roofline upgrades, porches, and contemporary structures, all crafted to enhance property value and aesthetics. By maintaining ISO-certified processes and investing in staff development, we ensure consistent, reliable service delivery. Our reputation, sustained largely through word-of-mouth referrals, reflects our dedication to exceeding client expectations.
Services
uPVC Windows
Composite Doors
Conservatories
Bi-Folding Doors
Solid Roofs
Roofline Systems
Porches
Orangeries
Details
- Year established: 1987
Highlights and features
- Over 35 years of experience in home improvement solutions
- Certass-certified engineers ensure professional installation standards
- 10-year installation guarantee on all workmanship
- Energy-efficient products reducing household energy costs
- Comprehensive showroom with fully erected examples
Associations and certifications
- Certass
Services
Conservatories
We design and install custom conservatories that extend living spaces while maintaining energy efficiency. Our structures use high-quality glazing systems with optional solid roof conversions. Clients benefit from increased property value and year-round usability through our thermal insulation solutions. Each project includes full project management from concept to completion.
uPVC Windows
Our A-rated uPVC windows reduce energy bills through advanced thermal insulation technology. Available in white and coloured finishes with decorative glass options, they enhance security through multi-point locking systems. Installation includes draught-proofing and noise reduction features tailored to modern and traditional properties.
Composite Doors
Manufactured with reinforced cores and Ultion locks, our composite doors offer superior security and thermal performance. Available in anthracite grey, chartwell green, and wood-effect finishes, they combine durability with aesthetic appeal. Each door includes weatherproof seals and low-maintenance PVC-U exteriors.
Bi-Folding Doors
Space-efficient bi-folding doors create seamless transitions between indoor and outdoor spaces. Available in multiple configurations with slim sightlines, they maximise natural light entry. Our installations include thermally broken aluminium frames and double-glazed panes for energy efficiency.
Solid Roofs
Upgrade existing conservatories with insulated solid roofs that provide better temperature regulation. Our tiled roof systems include matching fascias and gutters, reducing solar glare while maintaining structural integrity. The 10-year guarantee covers both materials and installation workmanship.
Questions
What areas do you serve?
We operate across Lancashire and the wider North West England region, including Rossendale Valley and surrounding areas.
Do you offer a warranty on installations?
All our installations come with a 10-year workmanship guarantee, in addition to manufacturer warranties on materials.
Can I view products in person?
Yes, our Waterfoot showroom displays fully erected conservatories, bi-folding doors, and composite door options for inspection.
Are your engineers certified?
All our installation teams hold Certass certification, ensuring compliance with building regulations and industry standards.
What payment methods do you accept?
We accept major credit/debit cards and bank transfers. Payment plans may be available for larger projects – please enquire directly.
How long does installation take?
Most window/door installations complete within 1-2 days, while conservatories typically require 4-6 weeks from order to completion.