Builders in Kent
Trusted, Experienced Builders Serving Homes Across Kent
If you’re looking for reliable, experienced builders in Kent, you’re in the right place. P J Dunbar Builders Ltd has been delivering high–quality building work across the county for over 30 years, specialising in house extensions, loft conversions, renovations, and all aspects of domestic and commercial construction.
As a long-established family-run business based near Kent, we’re known for honest advice, clear communication, and workmanship that stands the test of time. Whether you're improving your family home or planning a larger development, we provide a friendly, professional service you can depend on.
Core Services Available in Kent
House Extensions
Create more space, improve your layout, and add long-term value to your home with a professionally built extension.
We carry out all types of house extensions across Kent, including single-storey kitchen extensions, double-storey additions, rear extensions, side-return extensions, and full wrap-around builds.
Whether you want a bigger kitchen, an open-plan living space, a new bedroom, or simply more room for family life, we offer clear guidance, full design support, and high-quality construction from start to finish.
Loft Conversions
Unlock the potential of your home by transforming unused attic space into a practical, comfortable living area.
We specialise in dormer, hip-to-gable, L-shaped, and Velux loft conversions throughout Kent, creating everything from master bedrooms and en-suites to home offices and playrooms.
Our team handles structural work, insulation, electrics, and finishing — delivering a warm, natural extension of your home that blends seamlessly with your existing property.
Home Renovations
Whether you're modernising a period property or refreshing a family home, we offer complete renovation services tailored to Kent homeowners.
From structural alterations and layout improvements to kitchens, bathrooms, flooring, electrics, and full interior refurbishments, we manage every stage of the process.
Our focus is on delivering high-quality finishes and practical upgrades that enhance comfort, functionality, and long-term value.
New Builds
If you're planning to build a new property in Kent, we provide a full, end-to-end new build service — managing everything from groundwork and foundations to roofing, interiors, and final completion.
With over 30 years’ experience, we work closely with architects, engineers, and local authorities to ensure your new home is built safely, efficiently, and to the highest standards.
Whether you’re developing a single home or a small residential project, we bring reliability and craftsmanship to every stage.
Commercial Projects
We deliver professional, safe, and efficient construction services for commercial clients across Kent.
Our experience includes office refurbishments, shop fit-outs, structural work, commercial extensions, and building repairs for retail, hospitality, and business premises.
We prioritise minimal disruption, strict safety standards, and clear communication — ensuring your commercial property remains functional and compliant throughout the project.
Listed Buildings
Kent has a rich heritage of listed and historic properties, and we offer specialist expertise in restoring and upgrading them with care.
Our work respects original features while improving structural integrity, usability, and longevity.
Whether you need sympathetic repairs, internal refurbishment, or external restoration, we use traditional techniques alongside modern standards to preserve the character and history of your building.
Leading House Extension and Loft Conversion Specialists in Kent
PJ Builders is a trusted, family-run building company based in Kent, proudly serving homeowners across Bexley, Bexleyheath, Dartford, Sidcup, and surrounding areas since 1994.
For over 30 years, we’ve specialised in house extensions, loft conversions, and home renovations, helping families across the South East create more space, comfort, and value in their homes.
Whether you’re planning a kitchen extension, rear or side return, or a dormer loft conversion, our experienced team handles every stage — from design and planning to completion — with craftsmanship, transparency, and care.
Our reputation has been built over decades of quality workmanship, honest communication, and family values that put our customers first. At PJ Builders, we don’t just build houses — we help build homes that grow with you.
If you’re searching for trusted local builders in Kent, Bexleyheath, or Dartford, get in touch today to start planning your dream home with a team that’s been trusted since 1994.
Why Choose P J Dunbar Builders for Your Project in Kent?
For more than three decades, families and homeowners across Kent have trusted P J Dunbar Builders Ltd to deliver quality building work that’s reliable, long-lasting, and carried out with genuine care. As a family-run company established in 1994, we’ve built our reputation on honesty, clear communication, and consistent, high-standard craftsmanship.
Whether you live in a period property, a modern family home, or a new-build estate, we understand the building styles and planning requirements across Kent — and we use our experience to make your project run smoothly from start to finish.
Decades of Proven Experience
For over 30 years, we’ve delivered reliable building work across Kent, from modest home improvements to full-scale extensions and structural projects. Our long-standing team brings deep knowledge, consistency, and craftsmanship to every job.
Family-Run & Local Since 1994
As a family-run business established in 1994, honesty, care, and reputation matter to us. Most of our work in Kent comes through word-of-mouth referrals — a testament to the quality, reliability, and personal service our clients value.
Complete Design-to-Build Service
From planning and design to construction and finishing, we handle every stage of your build in-house. With one reliable team and one point of contact, your project stays organised, efficient, and worry-free from start to finish.
Transparent & Honest Pricing
No hidden extras. No vague estimates. We provide clear, itemised quotes so you always know exactly what you’re paying for. Our pricing is fair, transparent, and built around doing the job properly — not cutting corners.
You Deserve a Builder You Can Trust
Many homeowners in Kent come to us after having disappointing experiences with builders who cut corners, overcharge, or fail to communicate properly. That’s why we’ve built our business on honesty, transparency, and high-quality workmanship — the same values we’ve upheld since 1994.
Our long-standing team takes pride in doing things the right way, using skilled craftsmen who have worked with us for years. We’re committed to delivering projects that look great, feel solid, and stand the test of time — with clear communication from start to finish.
If you’d like extra peace of mind, feel free to look through our recent customer reviews. We’re proud of the trust we've earned across Bexley, Dartford, and the wider Kent area.
Our Experience in Numbers
Completed Projects across Bexley, Kent & South East London
Work from Repeat Clients & Referrals.
Years in Business Since 1994
Recent Building Projects Completed in Kent
Over the years we’ve carried out a wide range of building projects across Kent, from single-storey kitchen extensions and full loft conversions to large home renovations and new build developments. Each project is completed by our trusted, long-standing team and reflects the same high standards of workmanship that our clients have come to expect.
Below is a small selection of the type of work we deliver for homeowners throughout Bexley, Bexleyheath, Dartford, and the wider Kent area. To explore more examples, feel free to view our full portfolio.
Trusted by Homeowners Across Bexley & Kent
For over 30 years, we’ve built our reputation on quality, reliability, and customer satisfaction. Here’s what our clients have to say about working with us.
Frequently Asked Questions About Our Building Services in Kent
If you're planning building work in Kent, you probably have a few questions before getting started. Here are some of the most common queries we receive from homeowners across Bexley, Bexleyheath, Dartford, Sidcup, and surrounding areas — along with clear, straightforward answers.
Yes. We regularly work across Bexley, Bexleyheath, Dartford, Sidcup, and the surrounding areas of Kent and South East London. If you're unsure whether we cover your specific town, just get in touch — we’re usually able to help.
Some projects are covered under permitted development, while others require planning permission, especially if you live in a conservation area or own a listed property. We can advise you during your initial consultation and, if needed, handle the entire planning application for you.
Yes — we offer a complete design-to-build service, including architectural drawings, structural calculations, planning, construction, electrics, plumbing, and finishing. You’ll have one reliable team and one point of contact throughout the project.
In most cases, yes. We plan our work carefully to minimise disruption and maintain a safe living environment. We also keep the site clean, tidy, and organised every day.
Prices vary depending on the size and complexity of the project. House extensions typically start from a few tens of thousands and increase based on design, materials, and structural work. We provide free, no-obligation quotes and always offer clear, itemised pricing so you know exactly what you’re paying for.
Timelines depend on the type of work. Most single-storey extensions take 8–12 weeks, loft conversions take around 6–10 weeks, and renovations can vary widely. After a site visit, we’ll provide a clear timeline tailored to your home and project scope.
Absolutely. We regularly work on listed and historic buildings, using traditional restoration methods paired with modern safety and compliance standards. We ensure original features are respected while improving structure and usability.
Just reach out using the form or contact details below. We’ll arrange a friendly chat or site visit to discuss your ideas, budget, and the best way forward. There’s no pressure — just straightforward advice from an experienced local builder.
Still have questions?
If you didn’t find what you were looking for, our team is happy to help.
Get in touch today for friendly, no-obligation advice about your extension, renovation, or new-build project in Bexley or Kent.
Ready to Start Your Project in Kent?
If you're planning a house extension, loft conversion, renovation, or any type of building work in Kent, our experienced team is here to help.
Whether you’re still exploring ideas or already have drawings prepared, we’ll offer clear advice, fair pricing, and a smooth, well-managed process from start to finish.
Get in touch today and let’s discuss how we can bring your plans to life.