Home Extensions in Colchester & the Surrounding Areas | Conservatories, Garage Conversions & Home/Garden Studios


Welcome to the JSC Plastics & Construction Ltd website. As experts in home extensions, conservatories and garage conversions, our company has an unmatched reputation for transforming homes throughout Essex and Suffolk. This extends to our status as an orangery specialist for the region. Our team also excels in a wide range of building work that further enhances your home. Popular options include the installation of uPVC windows and doors, roof lanterns and bi-folding doors.


Based in Clacton-on-Sea, we carry out services across Essex and Suffolk. Some of our primary service areas include Colchester, Ipswich, Langham, Hadleigh and Wivenhoe.



We offer a bespoke and superior service for the creation of a home/garden office, gym, bar, playroom, annexe or any other additional space at your property.


With many people now working from home, we design and build highly insulated office solutions ideal for year-round use.

Our company can custom design these to your exact needs.


The finished structures are built to last and often increase your home’s value.


Our full range of services includes:


  • Home Extensions
  • Conservatories
  • Orangeries
  • Garage Conversions
  • Bi-Folding Doors
  • Home Offices and Garden Studios






Are you searching for a locally based orangery specialist with glowing testimonials? Or do you want a building company with a proven track record and an impressive, wide-ranging portfolio?


Our team shares over 40 years of trade experience, so we take on projects of any size and complexity.


Whatever your needs, call JSC Plastics & Construction on 01255 442 310, 01473 353 140 or 07947 305 564.


We happily visit locations in Colchester and the surrounding areas to discuss your requirements. During these home visits, we provide personalised advice and accurate quotations without charge or obligation.


About Us


When we established JSC Plastics & Construction, we wanted to provide homeowners in Essex and Suffolk with a company unlike any other. As such, we focus on providing services with a personal touch, outstanding workmanship and impeccable customer care. This approach allows us to deliver a start-to-finish process that always exceeds expectations.


In order to maintain our own demanding quality standards, we work closely with you, ensuring regular, clear and honest communication. As your chosen builder or orangery specialist, we listen carefully to the ideas and concepts inspiring your building work, be it home extensions, conservatories, garage conversions or roof lanterns.


This allows us to gain a complete understanding of what you want your project to achieve. With clearly defined goals, your works run in a much smoother, more efficient manner.


When it comes to the quality of our workmanship, you can rest assured; we hold membership with the Federation of Master Builders (FMB). In order to become members, we met stringent criteria for works in progress, finished projects and our viability as a business.

Whether you’re in Colchester or any other location in Essex and Suffolk, the associated insurances and warranties that come with our FMB membership offer complete peace of mind.


In order to achieve 100% customer satisfaction on every project, we also operate with competitive prices. We have no showroom overheads, so our services make cost-effective solutions for most budgets.


As a general builder and orangery specialist, we pride ourselves on our standards. We firmly believe in quality, not quantity. From home extensions to conservatories, we take the time to deliver stunning results.


Our company combines traditional construction knowledge and the latest in building methods, designs and materials. This is why we remain the trusted choice for garage conversions, roof lanterns and property development work in Colchester and the neighbouring areas.


JSC Plastics & Construction operates with public liability insurance. We provide 10-year guarantees on all work. This extends to 25 years for roofing.


Call 01255 442 310, 01473 353 140 or 07947 305 564 to discuss options for home extensions, conservatories or any other services we provide in and around Colchester.

JSC Plastics & Construction Ltd