Welcome to The Extension Company Ltd based in Colchester, Essex

We are a well-established home extension company based in Colchester, Essex, trading for over 25 years and have built up a reputation as a reliable and trusted building contractor.

We work with clients from initial planning to final finished project. The TEC team assures you a meticulous and professional approach at every stage. The pursuit of perfection has become our trademark.

Merv and Warren have combined construction industry experience in excess of 50 years and able to utilise technology to reduce overhead costs.

Our Reputation is Built on Trust and Transparency.

The majority of our works comes through referrals from previous clients, architects, structural engineers and quantity surveyors. We know and understand the importance of delivering projects on time and to budget.

We are a close-knit team of passionate, committed and skilled tradesmen and professionals. All of our staff are highly experienced and many of them have worked with us for over 20 years.

High Standards

Our aspiration isn’t to be the biggest, it’s to satisfy client’s requirements by providing the best professional service.

We work diligently to plan and budget; but that doesn’t mean we’re inflexible. Our teams are experienced enough to be able to adapt and embrace client’s changes once a project is underway.

We guarantee to be on site at all times to ensure that the building works stays on schedule and causes the minimal amount of disruption to the client.

We offer recommendations and references from architects, structural engineers and clients that we have worked with in the past.

Home & Commercial Building, Improvements & Refurbishments

As well as building extensions we take on any other forms of home and commercial building improvements, from general refurbishments through to alterations. We love seeing how much we can turn an unremarkable house around, so that it not only looks fantastic but really starts meeting the homeowners’ needs. We pay particular care and attention to detail in all of our building work.

We are happy to provide practical advice and assistance about planning permission building control and other regulatory issues at any stage of the design process.

Extensions Find out more and view our work
House Refurbishments & Renovations Find out more and view our work

Case Studies

No job is too much of a challenge and in fact we enjoy the job satisfaction of finding solutions on each project. This includes overcoming logistical challenges, providing temporary works solutions or through genuine value engineering to provide the same product at a more affordable cost.

All Case Studies

    Trusted for over 30 years

    £10 million liability insurance with recommendations and references from clients, architects and structural engineers

    Wealth of Professional Experience

    We deliver pragmatic, workable solutions to all your property needs, with our teams able to adapt and embrace client’s changes once a project is underway

    A Reliable Team

    As a main contractor, we take full responsibility for the project from the initial design concept to completion

    High Standards to Completion

    As owners we guarantee to be on site at all times to ensure all building works stay on schedule and causes the minimal amount of disruption

    We Genuinely Care

    We pride ourselves on delivering an excellent finish. Understanding our customers and working with them to achieve their vision