Greenline Building

Bringing Your Building Projects to Life in Dursley, Cam, Wotton & Surrounding Areas – Expert Stonework, Patios & Home Extensions

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Who We Are

Hi, I’m Bob! I’m a friendly and reliable builder with over 10 years’ experience in masonry, patios, and home extensions, serving Dursley, Cam, Wotton, and surrounding areas. I take pride in delivering high-quality work that brings your ideas to life.

From your first chat to the finished project, I’ll work closely with you to make sure everything is done right, on time, and exactly how you want it. Whether it’s a new patio, home extension, or stonework project, I’m here to help. Get in touch today to discuss your project!

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Our Services

Home Extensions

Stone Walling

Enhance your property with expertly crafted stone walls. Durable, beautiful, and built with care, each wall is designed to complement your home and outdoor space.

Expand your living space with a high-quality home extension tailored to your needs. From design to completion, we make sure your project is seamless and built to last.

Roofing & Carpentry

Patios

From roofing repairs to bespoke carpentry, we provide reliable, skilled work to protect and improve your home, combining practicality with attention to detail.

Create the perfect outdoor area for relaxing, entertaining, or family time. We design and build patios that combine style, function, and lasting quality.

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Our Recent Projects

View fullsize Good job I love the stuff 🧱🪨 a little bit of what we’ve been up too recently 👆🏻 Check out more of what we do on my new website. Link can be found in my bio. #cotswoldstone #stonewalling #dursley #cotswoldstonewall #cotswoldstonecottage
View fullsize Progress on this stone wall despite the weather doing its best to slow things down. See my previous post for the before ⚒️ Within the middle section there will be raised beds and a patio on the top level 🌻 #stonewall #cotswoldstone #gardenrenovat
View fullsize Recently finished rebuilding this chimney using Ashlar stone 🛠️ solid, sturdy and built to last. Sanding back the lime putty joints gives it a classic, crisp finish. You can see the contrast when compared to the second image. #Chimneyrebuild #Co
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View fullsize Just a snapshot of a few of my favourite patio projects. A patio can completely transform your outdoor space and garden, whether it be a large scale one or a simpler, smaller one leading up to a front door. Thinking about a new one you can enjoy on
View fullsize Happy New Year! The end of 2025 was a busy one as we welcomed our second daughter into the world 🌏 After some time spent with family I’m looking forward to getting stuck back into work and finishing a project I started before Christmas. Fir
View fullsize Thought it was time for a proper introduction to anyone new to following me on here, I’m Bob Adams, the face behind Greenline Building! 👋 I’ve been working in the building trade for over 10 years. I specialise in stone work.
View fullsize Repointing the front elevation of a 200 year old cottage. This house previously had paint covering the stone work to seal it. The paint was removed, the joints were raked back and a lime mortar was used to help the house breathe again 🏡 We think
View fullsize A really enjoyable little job, this one. Reclaimed flagstones from the original house laid around an original millstone that also came from the house. It’s awesome being able to place little bits of history back into a property in a differe
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  • "Bob was professional, reliable, and did an excellent job on our stone extension. The quality of workmanship and attention to detail was outstanding - would 100% recommend!"

    —Alex

Frequently Asked Questions

  • Greenline Building specialises in home extensions, stone masonry, patios, roofing, and carpentry. With over 10 years of experience, projects are completed to a high standard using quality materials and skilled workmanship, whether it’s a small improvement or a larger build.

  • Yes, free quotes and initial consultations are provided. This allows the project to be discussed properly, ideas to be shared, and clear, honest pricing to be offered with no obligation.

  • Every project is different, and timescales depend on the size and complexity of the work. Clear timelines are discussed upfront, and work is planned carefully to keep disruption to a minimum while ensuring quality is never rushed.

  • Yes, guidance is available throughout the process, including advice on planning, layout, and build options. The aim is to make the process as straightforward and stress-free as possible from start to finish.

  • Greenline Building is fully insured and backed by over a decade of hands-on experience in the building trade. All work is carried out professionally, safely, and with respect for your home and property.

  • Getting started is easy—simply get in touch to arrange a chat about your ideas. From there, you’ll receive clear advice, a free quote, and honest guidance on the next steps to move your project forward with confidence.

Contact Us

Tell us a little about your project and we’ll get back to you as soon as possible with honest advice and a free, no-obligation quote.

✔ Free quotes ✔ Friendly ✔ Reliable