About us

Founded in 2022 by Patrick Coll, Collstone Developments was created with a clear mission: to provide a seamless, start-to-finish renovation service for homeowners and property owners across the South West. With a specialism in heritage properties, listed buildings, and luxury homes, Collstone blends traditional craftsmanship with modern innovation.

“At Collstone Developments, we bring our clients’ visions to life with bespoke renovations that blend craftsmanship, precision, and innovation. From heritage restorations to contemporary transformations, we deliver excellence every time.”

From the heart of Somerset, we proudly serve Bath, Wiltshire, Glastonbury, and The Cotswolds, bringing local expertise and a personal touch to every project.

Start your journey

Whether you’re restoring a listed property or transforming your family home, Collstone makes the process seamless and rewarding.

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  • “Collstone restored our faith in builders—professional, respectful, and detail-driven from start to finish."

    Andrew McNeillis

  • “No stress, no delays, just a flawless finish. Highly recommend.”

    Zeke Granger

  • “Our extension looks fantastic—on budget, on time, and beautifully crafted.”

    Troy Houston

  • “Attentive, friendly, and committed to delivering exactly what we wanted.”

    Bodhi Lowry

  • “Thoughtful design, clear communication, and craftsmanship that exceeded expectations.”

    Richard Potts

Our build process

Our structured approach ensures every renovation is clear, transparent, and stress-free:

1. Discovery & Preparation – In-depth consultation, room-by-room assessment, detailed budget, and visuals so you know exactly what to expect.
2. Planning – Contracts, scheduling, and permissions handled with precision, coordinating with engineers and building control.
3. Construction – A dedicated site manager and skilled trades team deliver your project efficiently and respectfully.
4. Variations & Changes – Any updates are agreed upfront with revised budgets and timelines, ensuring no surprises.

The team

Collstone Developments is led by Patrick Coll. He oversees every project with a focus on client care, budget management, and finishes of the highest standards.

A skilled and committed team are gathered specific to your project:

  • Managing Director – Provides strategic leadership, oversees company direction and ensures Collstone delivers excellence on every project.

  • Operations Manager – Manages day to day operations streamline process and coordinates resources to keep projects running smoothly and on time.

  • Project Manager – Leads individual projects from planning to completion, ensuring timeline, budgets and quality standards are met.

  • Site Manager – Oversees on site activity, maintains safety, quality and efficiency whilst coordinating trades and sub contractors.

  • Design Team - Creates innovative, practical and client focussed designs that bring each vision to life.

  • Marketing Team - Showcases our projects and values, building strong client relationships and maintaining Collstone’s brand presence.

We ensure precision, professionalism, and personal attention at every stage.

Our services

Bespoke, high-end property solutions and management.

Home Renovations

Home renovations

Combining high-end design with expert craftsmanship to transform every space.

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Bespoke Conversions

Luxury conversions

From lofts to barns, tailored to maximise space, style, and long-term value.

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Worksite Cleaning Services

Bespoke joinery

Made-to-measure kitchens, bathrooms and built-in furniture to optimise your living space.

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Our commitment to sustainability

Luxury living should work in harmony with the planet. That’s why we prioritise sustainable practices, from sourcing local materials to minimising waste and incorporating energy-efficient solutions.

We’re proud to support Edventure Frome’s DIY Materials Shop, which turns surplus building materials into valuable community resources and teaches practical skills—helping reduce waste and strengthen our local community.

  • Quality

    We ensure every aspect of renovation meets the highest standards. By sourcing the best materials, finishes and fixtures we create a luxurious and durable result using skilled tradesmen who take pride in their work.

  • Expertise

    Our team has extensive experience in bespoke renovations. We stay up to date with latest trends, technologies and best practice. We anticipate and resolve potential problems to ensure smooth execution.

  • Bespoke

    We work closely with our clients to understand vision and preferences. We create tailored solutions that reflect unique style and remain adaptable to changing circumstances and needs.

  • Service

    Keeping our clients informed throughout the renovations process is clear and constant. We coordinate logistics timelines and budgets to ensure seamless execution, delivering projects on time within budget and to the highest standard.

 FAQs

  • Yes. We specialise in listed and heritage renovations, combining respect for history with modern practicality.

  • We’re based near Frome, Somerset, and work across Bath, Wiltshire, Glastonbury, and The Cotswolds.

  • Yes, we handle all permissions, building control, and compliance on your behalf.

  • Timelines vary depending on scope. We provide clear schedules and updates throughout.

  • We combine craftsmanship with creativity, delivering luxury renovations rooted in local knowledge and care.

  • Typically, kitchens and bathrooms are the most costly areas due to plumbing, electrical work, and high-end finishes. Structural changes, like removing walls or adding extensions, can also be a major investment.

  • The best sequence is:

    1. Planning & design – Define the scope, budget, and approvals.

    2. Structural & external work – Roof, foundations, extensions, or wall removals.

    3. Services – Plumbing, electrics, and heating.

    4. Plastering & flooring – Preparing surfaces.

    5. Installations – Kitchens, bathrooms, joinery.

    6. Finishes & decoration – Painting, fixtures, styling.
      At Collstone, we manage this entire process to keep things smooth and stress-free.

  • Extensions, loft conversions, and high-quality kitchen or bathroom renovations typically add the most value. Bespoke joinery and heritage-sensitive restorations can also significantly increase a property’s long-term appeal.

  • Spring and summer are popular as weather conditions are more favourable for structural work. However, with proper planning and site management, renovations can be undertaken year-round.

  • For most homeowners, it’s managing the logistics—budget, scheduling, and unexpected challenges. Working with an experienced renovation company like Collstone takes this stress away by handling every detail from start to finish.