Our Process
A methodical approach to complex projects, from initial consultation to long-term aftercare.
How We Work
A structured path from vision to reality
Building or renovating a significant property is a substantial undertaking. Our process is designed to bring clarity, manage complexity, and deliver results that exceed expectations.
Each stage is carefully planned, transparently communicated, and executed with precision.
01
Discovery
We begin by understanding your property, your vision, and your expectations. Through in-depth conversations and a thorough site assessment, we establish feasibility, identify opportunities, and ensure we're aligned on outcomes from the very start.
- —Initial consultation and site visit
- —Property assessment and feasibility review
- —Discussion of aspirations, constraints and budget
- —Introduction to our approach and team
- —Preliminary timeline and next steps outlined
02
Design
Working closely with you and your architect, we develop a design that balances creativity with practicality. Our experience ensures buildability, compliance with regulations, and respect for heritage — preventing costly changes later in the process.
- —Collaborative design development with your architect
- —Technical review and constructability assessment
- —Material research and specification
- —Heritage considerations and conservation officer liaison
- —Value engineering and cost planning
03
Planning
Securing the necessary approvals and permissions is critical, particularly for listed buildings and heritage properties. We manage all aspects of planning, building control, and specialist consents, navigating the process on your behalf.
- —Planning and listed building consent applications
- —Building regulation submissions and approvals
- —Specialist reports (structural, ecology, heritage)
- —Coordination with conservation officers and authorities
- —Detailed surveys and technical assessments
04
Construction
With approvals secured and plans finalised, construction begins. Our project managers oversee every detail — from initial groundworks to final finishes — ensuring quality, managing timelines, and keeping you informed throughout.
- —Site establishment and logistics planning
- —Regular progress meetings and transparent reporting
- —Quality control and compliance monitoring
- —Coordination of specialist trades and craftspeople
- —Respectful site management with minimal disruption
05
Variations
Even the best-planned projects encounter unforeseen circumstances or opportunities for enhancement. We manage variations transparently, providing clear costings and timescale adjustments, ensuring you remain in control of decisions.
- —Formal variation request and approval process
- —Clear documentation of scope, cost and programme impact
- —Proactive communication about site discoveries
- —Design refinements and upgrade opportunities
- —Budget and timeline re-forecasting where needed
06
Completion
Our relationship doesn't end when the work finishes. We conduct comprehensive snagging, provide detailed handover documentation, and offer a full 12-month aftercare period, ensuring your complete satisfaction and peace of mind.
- —Final inspections and thorough snagging process
- —Building Control sign-off and warranty certification
- —Comprehensive handover documentation and manuals
- —Maintenance guidance and care instructions
- —12-month defects liability period with ongoing support
Timeline Guidance
Timeline Expectations
3–6
Months
Planning, design development and pre-construction for a typical renovation project
6–18
Months
Construction duration depending on project scale and complexity
12
Months
Defects liability period with full aftercare support
Timelines vary based on project scope, planning requirements, and heritage considerations. We provide detailed programmes during the planning stage.
Our Standards
What to Expect When Working With Us
Clear Communication
Regular updates, detailed reports, and honest conversations at every stage
Respect for Your Home
Clean, organised sites with consideration for occupied properties
Collaborative Approach
Your input valued throughout, with decisions made together
Quality First
No compromises on materials, workmanship or attention to detail
Questions
Frequently Asked Questions
Answers to common questions about working with Collstone on your renovation project
01 — Working with Collstone
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.
We combine craftsmanship with creativity, delivering luxury renovations rooted in local knowledge and care.
02 — Planning your renovation
Timelines vary depending on scope. We provide clear schedules and updates throughout.
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.
The best sequence is: Planning and design — Define the scope, budget, and approvals. Structural and external work — Roof, foundations, extensions, or wall removals. Services — Plumbing, electrics, and heating. Plastering and flooring — Preparing surfaces. Installations — Kitchens, bathrooms, joinery. Finishes and decoration — Painting, fixtures, styling. At Collstone, we manage this entire process to keep things smooth and stress-free.
03 — Cost, value and complexity
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.
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.
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.
Ready to Begin?
The first step is a conversation. Share your project with us and we'll explore how we can help bring it to life.
Get in Touch