Business Details
Expert Home Extensions & Conservatory Installations in Colchester
Established to serve homeowners in Essex and Suffolk, JSC Plastics & Construction Ltd combines traditional craftsmanship with modern building techniques. As a family-run business, we prioritise outstanding workmanship, client communication, and bespoke solutions for home extensions, conservatories, and conversions. Our team holds 45 years of combined experience, with memberships in the Federation of Master Builders and CIS cards ensuring adherence to industry standards.We offer competitive pricing through efficient operations and provide warranties of up to 25 years, reflecting our confidence in the durability and quality of our work. Our services are tailored to enhance property value while meeting individual client needs.
Services
Home Extensions
Conservatory Installations
Garage Conversions
Garden Offices
Loft Conversions
Building Services
Orangery Design
Window Replacements
Roof Lanterns
Bi-Fold Doors
Highlights and features
- We are members of the Federation of Master Builders, ensuring high standards.
- 45 years of combined experience in residential construction projects.
- Offer bespoke design solutions tailored to individual budgets and needs.
- Provide 1025-year warranties on completed works for peace of mind.
- Operate with full insurance and a strict Code of Conduct compliance.
Associations and certifications
- Federation of Master Builders (FMB)
What people say
Fantastic workmanship
Excellent service
Highly recommend
Professional and reliable
Met all expectations
Services
Home Extensions
We design and construct single- and double-storey extensions to create additional living space. Our services include kitchen expansions, extra bedrooms, and custom layouts tailored to client needs. Projects are completed with A+ rated uPVC windows and doors, ensuring energy efficiency and increased property value.
Conservatory Installations
We build conservatories in Victorian, Edwardian, and custom styles using advanced glazing technology. Our designs maximise natural light and thermal efficiency, with options for roof replacements to enhance comfort and reduce energy costs over time.
Garage Conversions
We convert underused garages into functional spaces like home offices, gyms, or playrooms. Our full-service approach includes insulation, electrics, and compliance with building regulations, ensuring a seamless transition from storage to living area.
Garden Offices
We create insulated, heated garden offices with lighting, plumbing, and energy-efficient windows. These structures provide a dedicated workspace separate from the home, ideal for remote work or creative pursuits year-round.
Building Services
Our services include loft conversions, bi-fold door installations, and window replacements. We handle all aspects from planning to completion, using durable materials and skilled tradespeople to enhance functionality and aesthetics of residential properties.
Questions
What services does JSC Plastics & Construction Ltd offer?
We specialise in home extensions, conservatory installations, garage conversions, garden offices, and building services across Essex and Suffolk.
Are your services available in my area?
We operate in Colchester, Frinton-on-Sea, and surrounding areas including Essex and Suffolk.
Do you provide warranties for your work?
Yes, we offer 10–25-year warranties depending on the service provided.
Are you accredited by any industry bodies?
We are members of the Federation of Master Builders and hold CIS cards for compliance.
Do I need planning permission for a garage conversion?
Most conversions fall under permitted development, but we handle applications if required.
Reviews (1)
Terry Allen
Jun 06, 2017
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Excellent work always turned up on time and extremely helpful nothing was to much bother highly recommend
