Home Extensions in Barnsley

Looking to add more space and value to your home? We specialize in home extensions in Barnsley and surrounding areas, including Worsbrough, Penistone, Wombwell, Darton, and Chapeltown. Whether you need extra living space, a larger kitchen, or a new bedroom, our expertly designed and professionally built extensions will transform your home while enhancing its value and functionality.

Types of Extensions We Offer:

We offer a variety of home extension options to suit different needs and preferences:


  • Single-Storey Extensions – Perfect for expanding your kitchen, dining area, or living room.
  • Double-Storey Extensions – Ideal for adding extra bedrooms, bathrooms, or office space.
  • Wrap-Around Extensions – Maximize space by extending to the side and rear of your property.
  • Rear Extensions – Create a spacious open-plan living area with a seamless connection to your garden.
  • Side Extensions – Utilize unused side space to add valuable square footage to your home.
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âś… Why Choose a Home Extension?

A home extension is a cost-effective way to increase your living space without the hassle of moving. Here’s why a home extension might be the perfect solution for you:


  • Increased Space – Add valuable living space to your home for a growing family or additional functionality.


  • Custom Design Options – Tailor the extension to match your vision, whether it’s an open-plan kitchen, a new bedroom, or a home office.


  • Avoid Moving Costs – Save on the cost and hassle of relocating by upgrading your current home.

🛠️ Our Home Extension Process

We follow a structured approach to ensure a smooth and hassle-free process from start to finish:


  1. Initial Consultation – We discuss your ideas, assess your space, and provide expert advice on the best extension options.
  2. Design & Planning – Our team creates detailed designs that align with your vision while ensuring compliance with building regulations.
  3. Approval & Permits – We handle all necessary approvals and ensure compliance with local regulations.
  4. Construction & Build – Our skilled builders work efficiently to deliver a high-quality extension with minimal disruption.
  5. Finishing Touches – We add the final touches to ensure your new space blends perfectly with your existing home.

🏡 Ready to Expand Your Home? Get a Free Quote Today!

Transform your home with a professionally designed extension in Barnsley and surrounding areas. Whether you're adding extra living space, a larger kitchen, or a new bedroom, we provide high-quality craftsmanship and personalized service.

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40+

Years of
experience

Free Expert Advice

Not sure where to start with your project? We offer free advice to help guide you through the process. Whether you're planning an extension, loft conversion, or renovation, Thomas is here to provide expert guidance and answer any questions you may have.

  • Domestic Building Services

    Looking to improve your home in Barnsley and nearby areas? At Thomas Building Services, we offer expert domestic building services tailored to meet your needs. From home extensions and loft conversions to complete home renovations, we provide top-quality craftsmanship and personalized solutions for homeowners. With over 40 years of experience, we understand the importance of turning your house into a dream home. Our dedicated team works closely with you to ensure your project is completed on time, within budget, and to the highest standards.

  • Commercial Building Services

    For businesses in Barnsley and surrounding areas, Thomas Building Services provides professional commercial building solutions designed to enhance your workspace. Whether you're renovating an office, building a retail space, or need custom construction, we have the expertise to deliver high-quality results. With over 40 years of experience, we focus on creating functional, attractive spaces that meet the specific needs of your business. Our team works efficiently to minimize disruption and deliver projects on time, providing lasting value for your commercial property.

We cover all across Barnsley & Surrounding Areas

We proudly serve Barnsley and surrounding areas including Worsbrough, Penistone, Wombwell, Darton, and Chapeltown, offering expert services such as home extensions, loft conversions, kitchen renovations, general building, and renovations, all delivered with over 40 years of experience and a commitment to high-quality craftsmanship.
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Frequently Asked Questions

  • What types of extensions do you offer?

    We provide a range of extensions, including single-storey, double-storey, side-return, and wraparound extensions. Our services cover Barnsley, Worsbrough, Penistone, Wombwell, Darton, and Chapeltown.

  • How much does a house extension cost in Barnsley and nearby areas?

    The cost of an extension depends on the size, complexity, and materials used. For homes in Barnsley, Worsbrough, Penistone, Wombwell, and Darton, prices typically range from £10,000 to £50,000+. Contact us for a free, personalized quote.

  • Do I need planning permission for a house extension?

    Most extensions in Barnsley and surrounding areas fall under permitted development rights. However, larger or complex projects, especially in Worsbrough, Penistone, and Chapeltown, may require planning permission. We guide you through the process to ensure compliance.

  • How long does an extension project take?

    A typical extension in Barnsley and nearby locations takes between 4 to 12 weeks, depending on the scope of work and complexity of the project.

  • Can an extension add value to my property?

    Yes, a well-designed extension can increase your home’s value by up to 20%. Our high-quality extensions in Barnsley, Penistone, Wombwell, Darton, and Chapeltown provide additional space and enhance property appeal.

  • What is the difference between a single-storey and double-storey extension?

    A single-storey extension adds space to ground-floor rooms like kitchens and living areas, while a double-storey extension adds additional rooms on both floors. We offer both types across Barnsley, Worsbrough, and surrounding areas.

  • Do you offer design and build services for house extensions?

    Yes, we provide a full design and build service for extensions in Barnsley, Wombwell, Penistone, and beyond. Our team manages everything—from initial concept and planning to final installation and handover.

  • How do you ensure minimal disruption during an extension project?

    We carefully plan each phase of the project and maintain open communication to minimize disruption. Our team works efficiently to ensure that homes in Barnsley, Darton, Wombwell, and nearby areas experience minimal inconvenience.

  • Are your extensions energy efficient?

    Absolutely. Our extensions in Barnsley and surrounding locations incorporate high-quality insulation, energy-efficient windows, and modern heating systems to enhance energy perfor

  • How do I get started with my extension project?

    Getting started is easy! Contact us today for a free consultation and quote on house extensions in Barnsley, Worsbrough, Penistone, Wombwell, Darton, and Chapeltown. We’ll assess your space and provide a detailed plan to bring your vision to life.

Still have a question?

Let us care of your home!

Call us on for your free quote today.
07301102137