Local Builders with 40+ Years’ Experience in Extensions
Turning Your Vision into Reality with Expert Craftsmanship
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We offer competitive, detailed quotes to match your budget and requirements.
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Call us: 07301102137
Innellan & Surrounding Areas: , Toward, Strache, Arochar and Loch Lomondside
Our core services
Loft Conversions
Maximize your home’s potential with a bespoke loft conversion. Whether you need an extra bedroom, office, or living space, our expertly designed loft conversions add value and functionality to your home. With meticulous attention to detail and quality craftsmanship, we ensure that your new space blends seamlessly with your existing home.
Extensions
Expand your living space with a beautifully designed extension. Whether you're looking to add a larger kitchen, an extra room, or a stylish open-plan area, our high-quality extensions are built to enhance both the functionality and value of your home. From design to completion, we ensure a seamless build that perfectly complements your existing property.
Kitchens
Transform your kitchen into a stunning, functional space with our expert design and installation services. Whether you're updating your current layout or creating a completely new look, we work closely with you to bring your vision to life. From modern designs to classic styles, our team ensures that every detail is perfect, creating a kitchen you'll love for years to come.
General Building
From small repairs to large-scale projects, we provide expert general building services tailored to your needs. Whether it's brickwork, structural work, or custom builds, our team delivers high-quality results with precision and care. We’re committed to maintaining the highest standards of workmanship, ensuring that every project is completed on time and to your exact specifications.
More about us
Thomas brings over 40 years of building experience in Innellan providing a single point of contact from inception to completion to ensure a smooth and stress-free process. His goal is to bring a personal touch to every building project, delivering high-quality craftsmanship and tailored solutions that meet your vision.
With a focus on clear
communication and attention to detail, Thomas ensures that every project is completed to the highest standards, whether it’s an extension, renovation, or full-scale transformation in Barnsley and surrounding areas.

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.
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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.
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Commercial Building Services
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
Innellan & Surrounding Areas: Toward, Arochar and Loch Lomondside, 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 areas do you cover?
We provide professional building services in Innellan, Toward, Strachur, Arrochar, Loch Lomondside, and all surrounding areas. Whether you’re looking for an extension, kitchen renovation, or loft conversion, we’re your local builders you can trust.
Do you handle both small and large projects?
Yes, our team of builders in Innellan and across Argyll & Bute take on projects of all sizes – from small kitchen refurbishments to full house renovations and large property extensions.
Can you manage the entire project from start to finish?
Absolutely. Our building company offers a complete service in Innellan, Toward, and Loch Lomondside – from planning and design to construction and finishing, making the process stress-free for our clients.
Do I need planning permission for an extension or loft conversion?
Some home extensions and loft conversions in Strachur, Arrochar, and surrounding areas require planning permission. We’ll guide you through the process and handle any applications if necessary.
How long does a typical home extension take?
A standard house extension in Innellan or Toward usually takes between 8–16 weeks, depending on the scale of work. We always provide a clear timescale so you know what to expect.
Can you help with kitchen design and installation?
Yes, we specialise in kitchen renovations across Arrochar, Loch Lomondside, and the surrounding villages. From modern designs to traditional styles, we handle the full installation, including electrics, tiling, and plumbing.
Do you work on older or listed properties in the Loch Lomondside area?
Yes, we have extensive experience carrying out sympathetic renovations on traditional and listed homes in Strachur, Arrochar, and Loch Lomondside – blending modern upgrades with period features.
Are your quotes free and no-obligation?
Yes, we provide free, no-obligation quotes for extensions, kitchen fitting, loft conversions, and renovations in Innellan, Toward, and nearby areas so you can plan your project with confidence.
Do you offer guarantees on your work?
All our building work in Innellan, Strachur, Arrochar, and Loch Lomondside comes with guarantees, giving you peace of mind that your extension, renovation, or kitchen installation is built to last.
How do I get started with a project?
To start your building project in Innellan, Toward, Strachur, Arrochar, or Loch Lomondside, simply contact us today. We’ll visit your property, discuss your ideas for a kitchen, loft conversion, renovation, or extension, and provide a detailed, tailored quote.