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Family-run Business
Extensions
Adding Space, Value & Function
Are you ready to unlock the full potential of your home without the hassle and stress of moving? If so, then CJ Construction South East Ltd is here to help. We specialise in delivering beautifully designed and expertly constructed home extensions that enhance your lifestyle and add value to your property. Start your project today and contact us for a FREE no-obligation quote.


Creating Inspired Spaces
Our Extension Services
An extension is the ideal way to add extra space to your home, whether you’re planning on a larger living area, an additional bedroom or a home office. At CJ Construction South East Ltd, we deliver fully comprehensive services for your new extension. We don’t just build; we partner with you to design and construct the perfect space for your evolving needs.
What’s Included in Our Comprehensive Extension Services
- Full Project Management
With CJ Construction South East Ltd, you can enjoy dedicated project management from day one. We coordinate every stage of your extension and ensure clear communication, reliable scheduling and complete peace of mind throughout. - Bespoke Design
We understand that every home is unique, and your extension should be no exception. That’s why we work collaboratively with you to create detailed, tailored plans that reflect your vision, suit your lifestyle and integrate seamlessly with your home. - Quality Material Selection
We believe that the success of every project is underpinned by superior materials. At CJ Construction South East Ltd, we meticulously source and select only high-quality, durable materials that meet the high standards that we’re known for. - Expert Construction from Foundation to Finish
Our skilled construction team will handle every element of the extension construction phase with professionalism. From groundwork and structural work to electrics, plumbing, insulation and finishes, we deliver comprehensive solutions. - Aftercare & Support
Our service doesn’t end once your extension is constructed. We provide continued aftercare and support post-completion, addressing any questions or adjustments and ensuring your complete satisfaction.

Your Extension in 3 Simple Steps
1
Contact Us
Contact us for your FREE consultation. We will discuss your vision, budget and timescale. We’ll then provide a detailed FREE quote based on your specific requirements.
2
Planning & Design
We work collaboratively to plan your ideal home extension. We also guide you through planning permission (if required) and comply with all building regulations.
3
Professional Construction
Our team carries out your extension with minimal disruption, maintaining high standards of cleanliness and safety throughout. We prioritise your satisfaction.

The Benefits of Extending Your Home
- Increased Living Space
A home extension easily provides you with the additional space you need, tailored to you, whether accommodating a growing family, working from home, or you desire more space. - Property Value Enhancement
A house extension can add over 20% to the value of your home, especially when completed to the high standards that we’re known for. - Avoid the Cost & Hassle of Moving
Extending your home allows you to avoid the cost and hassle that comes with moving. Plus, you get to stay in a home and area that you love. - Tailored To You
Our range of extensions gives you complete design freedom when it comes to your new addition – you can customise every detail to reflect your personal style.
Things To Consider For Your Extension
- Planning Permission – Is it required? If so, we can help you navigate the process.
- Budget – Do you have a realistic budget?
- Design – What type of extension should you choose?
- Disruption – Plan your extension at a time when you’re happy for minimal disruption.
- Goals – What is your ultimate goal? Ensure your extension aligns with this.

FAQs
Do I need planning permission for an extension?
You don’t always need planning permission for an extension, as most fall under permitted development rights. We’ll assess and advise based on your individual project.
How long does an extension take to complete?
The length of time an extension takes will vary depending on your requirements. We can provide you with a more detailed timeframe during your FREE consultation.
Can you help with architectural drawings and planning applications?
Yes, we provide full planning and design services, including architectural plans and submission to local councils.
Do you handle all trades involved?
Absolutely. We offer full in-house services for your home extension to offer a fully managed build.
How much does a home extension cost?
The cost of a home extension will vary depending on your requirements. We can provide you with a FREE tailored quote when you contact us.
Is your work insured and guaranteed?
Yes, we are fully insured, and all our workmanship is backed by a guarantee for your peace of mind.
Can I live in my house during construction?
Yes, we take great care to minimise disruption and maintain a clean, safe environment at all times.
How do I get a quote?
Simply contact us with your project details, and we’ll be happy to provide a free, no-obligation quotation.
Why work with us?

25+ Years of Experience
We have over 25 years of industry experience, which means that your project is in safe hands with us.

FREE Quotes
We believe in transparency from day one, so we provide FREE no-obligation quotes with no hidden costs.

Quality Results
We pride ourselves on our commitment to provide a professional, fast and high-quality service.
Are you ready to transform your home?
Contact CJ Construction South East Ltd today to bring your vision to life and receive a FREE no-obligation quote.