Frequently Asked Questions
Common questions about our building services
We understand that choosing a builder and planning building work can raise a lot of questions — especially if it’s your first time undertaking a project. Below you’ll find answers to some of the most common questions we’re asked about our services, process, pricing, timelines, and what to expect when working with us.
If you’re looking for more detailed, service-specific answers, please visit the relevant service page for in-depth guidance and FAQs tailored to that type of work.
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We’re based in Kent and regularly carry out building work across Bexley, Bexleyheath, Dartford, Sidcup, Eltham, Welling, Swanley, South East London, and surrounding areas.
If you don’t see your location listed, feel free to get in touch — we cover a wide range of areas and are always happy to confirm availability.
View all areas we cover
We carry out a full range of domestic and commercial building services, including house extensions, loft conversions, renovations, structural work, new builds, and commercial construction.
From small improvement works to large, complex projects, our experienced team manages every stage with the same level of care and attention to detail.
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Costs vary depending on the type of project, size, complexity, materials, and site conditions.
We provide clear, itemised quotations following a site visit so you understand exactly what’s included.There are no vague estimates or hidden costs — just honest pricing based on your specific project.
Request a free, no-obligation quote
Yes. We offer free, no-obligation consultations and estimates.
This allows us to understand your ideas, assess your property, and provide clear guidance on what’s possible before you commit to anything.
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Some projects require planning permission, while others fall under permitted development. This depends on the type of work, the size of the build, and your property’s location.
We’ll advise you clearly on what’s required and can manage the planning process on your behalf if needed.
Learn more about our design & planning management
Timelines vary depending on the scope of work. Smaller projects may take a few weeks, while larger extensions or renovations can take several months.
Once plans are agreed, we provide a clear schedule so you know what to expect at each stage.
In many cases, yes. We plan work carefully to minimise disruption and keep your home safe and functional throughout the project.
If temporary changes are required, we’ll always discuss this with you in advance so you can plan accordingly.
We manage projects from start to finish, using our trusted, long-standing team of skilled tradespeople.
You’ll have a single point of contact throughout the build, ensuring clear communication, accountability, and a smooth, well-organised process.
Learn more about our project management approach
Yes. All work is carried out in line with current building regulations, health and safety standards, and best practice.
We also ensure that any required inspections and approvals are handled correctly for your peace of mind.
Learn more about building regulations & compliance
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Getting started is simple. Just get in touch to arrange a friendly, no-pressure conversation.
We’ll talk through your ideas, answer your questions, and guide you on the next steps — whether you’re at the early planning stage or ready to move forward.
Request a free consultation
Yes. We can work alongside your existing architect or introduce trusted design professionals if needed.
We also assist with planning applications, permitted development checks, structural calculations, and building control, ensuring everything is prepared correctly before construction begins.
Learn more about our design & planning management services
We’re a long-established, family-run building company with decades of experience. Much of our work comes from personal recommendations and repeat clients.
Homeowners choose us because we’re honest, reliable, well-organised, and committed to doing the job properly — not cutting corners or overpromising.
Yes. Before work begins, we clearly outline the scope of work, timelines, and agreed costs.
This ensures transparency, protects both parties, and sets clear expectations from the outset.
If changes are requested during the build, we discuss them with you in advance, explain any cost or timeline implications, and only proceed once everything is agreed.
Clear communication is key to keeping projects stress-free and well-managed.
Yes. All of our work is carried out to a high standard and backed by appropriate guarantees.
Any specific warranties or certifications related to your project will be explained clearly before work begins, giving you complete confidence in the finished result.
Still Have Questions?
If you didn’t find the answer you were looking for, we’re always happy to help. Every project is different, and sometimes it’s easier to talk things through rather than search for a one-size-fits-all answer.
Get in touch for friendly, no-obligation advice from an experienced local builder — we’ll answer your questions honestly and help you understand the best next steps for your project.
Ready to Build with Kent’s Trusted Local Builders?
If you’re planning a house extension, loft conversion, or home renovation in Bexley or Kent, let’s make it happen. At P J Dunbar Builders Ltd, we’ve spent over 30 years helping homeowners turn ideas into beautifully built spaces — delivered on time, on budget, and with care at every step.
We’ll guide you through the process from the first chat to the final finish — so you can relax knowing your home’s in expert hands.