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Trusted Double Glazing & Roofing Services in Colchester
EC Home Improvements has served Essex and Suffolk for over 25 years as a family-run business specialising in PVC-u double glazed windows, doors, and roofing solutions. We are a registered installer of the Sika Sarnafil roofing system, offering tailored home improvement services including conservatory installations, flat roofing replacements, and roofline upgrades. Our commitment to quality is evidenced by our Consumer Protection Association accreditation and 10-year insurance-backed guarantees.

With showrooms in Colchester, Chelmsford, and Ipswich, we combine technical expertise with local knowledge to deliver energy-efficient solutions that enhance property value and comfort. Our team of certified professionals prioritises customer satisfaction through meticulous attention to detail and comprehensive after-sales support.
Services
Double Glazing Installation Conservatory Installation Flat Roofing Replacement Garage Door Installation Roofline Replacement Entrance Doors Patio Doors Sarnafil Roofing Equinox Roof Systems Energy Efficient Windows
Highlights and features
  • 25+ years' experience in home improvement installations
  • CPA-accredited with 10-year insurance-backed guarantees
  • Registered Sarnafil roofing system installers
  • Free no-obligation quotes with expert advice
  • Serving Essex and Suffolk communities locally
Associations and certifications
  • Consumer Protection Association (CPA)
  • Sika Sarnafil
What people say
Reliable and prompt Efficient and polite Quality of workmanship No trace left behind Swift after-sales service
Services
Double Glazing Installation
Our A-rated double glazing solutions feature 70mm PVC-u profiles with Pilkington K glass for superior thermal efficiency. The multi-chambered frames reduce heat loss while maintaining security through Saracen shoot bolt locking systems. Each installation includes white Q-Lon gaskets and 10-year insurance-backed guarantees, available in white or woodgrain finishes.
Sarnafil Roofing
As registered Sarnafil installers, we provide 1-ply membrane roofing with 40+ year durability and 15-year manufacturer guarantees. Our systems improve thermal efficiency while resisting extreme temperatures (-30C to 120C). Ideal for conservatories, balconies, and extensions, available in multiple colours with minimal maintenance requirements.
Conservatory Installation
We create bespoke conservatories using Ultimate 70 profiles and polycarbonate roofing systems. Options include Edwardian, Victorian, and L-shaped designs with optional Pilkington Active self-cleaning glass. All projects include building work, electrics, and 10-year guarantees, with Equinox tiled roof conversions available.
Garage Door Installation
Supply and installation of Hormann, Garador, and Hurst garage doors including electric roller shutters with infrared safety beams. Our insulated aluminium doors feature manual override systems and require no painting. Available in multiple colours with remote control operation and safety mechanisms.
Roofline Replacement
Eurocell PVC-u fascias, soffits, and guttering systems prevent damp while enhancing property aesthetics. Available in flat/sculptured profiles with 20-year discolouration guarantees. Marshall Tufflex guttering options in half-round, square line, or ogee styles ensure complete weather protection for homes and commercial properties.
People
Jim Keys
Managing Director
With over 25 years in the industry, Jim oversees operations and customer relations. He represents the company at trade shows and ensures service standards meet CPA requirements while maintaining local business connections.
Tony Childerley
Installation Manager
Certified surveyor managing installation teams, Tony ensures all projects meet technical specifications. He conducts quality checks and coordinates logistics for complex home improvement projects across Essex and Suffolk.
Cheryl Keys
Office Manager
Btec-qualified office manager handling administrative operations, website updates, and customer communications. Cheryl coordinates showroom presence at trade events and manages day-to-day business logistics.
Paul Chilver
Registered Installer
Fully qualified Sarnafil installer with expertise in window and roofing systems. Paul handles complex installations and provides technical support to junior team members while maintaining certification standards.
Jordan Mallett
Window Fitter
Trained Sarnafil installer and window fitter, Jordan completed apprenticeship programs to achieve full certification. He assists with installations and maintenance projects while ensuring compliance with industry safety regulations.
Questions
What areas do you cover?
We serve Essex and Suffolk including Colchester, Chelmsford, Ipswich, Maldon, Braintree, and surrounding villages with local installations.
Do you offer guarantees?
All installations include 10-year insurance-backed guarantees, with Sarnafil roofing systems carrying 15-year manufacturer warranties.
Are your installers certified?
Our team includes registered Sarnafil installers and FENSA-certified professionals for window and door installations.
Can you replace old windows?
We specialise in replacing single-glazed and pre-2002 windows with A-rated double glazing that reduces energy bills.
Do you handle conservatory roof upgrades?
Yes, we convert existing conservatories with Sarnafil membranes or Equinox tiled roofs for improved thermal efficiency.
Are emergency repairs available?
While we don't offer 24/7 services, urgent issues receive priority scheduling with same-day assessments when possible.
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