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Home Design
& Renovations
in Leigh-on-Sea
& Essex.

Creating beautiful spaces in Leigh-on-Sea and across Essex, we specialise in designing stunning contemporary and traditional homes, as well as expertly crafted extensions and renovations that transform your property into the dream space you’ve always imagined.

Modern Kitchen Design

Our Architectural Services

We provide a comprehensive range of architectural services to guide your project from initial concept through to completion. Whether you're expanding, building new, or navigating planning challenges, we combine creative design with technical expertise to deliver practical, beautifully considered solutions tailored to your needs.

Extensions and Loft conversions

Our focus is on creating practical, beautifully designed spaces that add value, improve functionality, and fully comply with building regulations — all tailored to suit your needs and lifestyle.

Garden rooms and Annexe design

We design bespoke garden rooms and annexes that create flexible, stylish spaces to suit your home and lifestyle.

New Build Homes

We design new homes from the ground up, guiding you from first ideas through to planning and technical design to create a home that’s uniquely yours.

How Your Project Comes to Life

Seeing the Space

We start by measuring your property or the area we’re working on, using precise tools to capture every detail. This gives us a solid base for the next stage, while we explore your ideas, answer questions, and look at possible draft designs. It’s all about getting a clear picture and starting to shape your vision.

Cottage street view

01

Detailing Everything

Once the design is agreed, we dive into the finer details, from building regulations to construction drawings.
We guide you through appointing any other specialists needed, like structural engineers, and help prepare planning applications if required. Our goal is to make sure everything is clear and ready for the build.

Outdoor Entryway Scene

03

We guide you through every step of your project, from the first idea and planning, to detailed designs and final delivery. Our goal is to make the process simple, clear, and stress-free, while bringing your vision to life exactly the way you imagined.

Designing Together

02

Next, we develop a range of design options based on your brief and budget. We work closely with you to refine the design, making sure the plan fits your needs and maximises potential. This is where creativity meets practicality, setting the foundation for the project. The final design may require a planning application, as there are different types.

User reviewing architecture plans

Bring It to Life

Finally, we focus on the materials, finishes, and practical details that bring your project to life. We can advise on choices, help prepare specifications, and support you in setting up contracts with your builder. Then it’s full steam ahead — turning your plans into reality!

Image by Ambitious Studio* | Rick Barrett

04

Our Inspiring Projects

A glimpse into the distinctive landscapes we’ve had the honor of creating. Each project tells a unique story of collaboration and craftsmanship.

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What Our Customers Think

"CET designed our side / garage extension, was very helpful on site and clearly has an eye for working within site constraints and foreseeing potential issues."

Joe Palmer

"CET have helped us with 2 projects now and have been excellent both times... I will use CET again and would recommend them to anyone."

Lee Gurton

"We had a great experience using CET... Would 100% recommend."

Daniel Gracie

"Can't recommend CET Architectural Designs enough! Charlotte is very professional and very helpful, the best! I'm a very happy customer."

Gladis Woods

Start Your Project With Us

Tell us about your project and what you’re hoping to achieve. Once we receive your enquiry, we’ll be in touch to discuss how we can help bring your ideas to life.

Service
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