Builders in South East London

Experienced, Reliable Builders Serving Homes Across South East London
If you're searching for trusted, experienced builders in South East London, we’re here to help. With over 30 years in the industry, P J Dunbar Builders Ltd provides high-quality building work across areas such as Greenwich, Lewisham, Eltham, Woolwich, Blackheath, Bromley, and surrounding neighbourhoods. As a long-established family-run building company, we understand the property styles and planning requirements that shape South East London homes — from Victorian terraces and Edwardian properties to 1930s houses and modern developments.
Whether you're planning an extension, loft conversion, renovation, or new build project, we offer honest advice, transparent pricing, and reliable workmanship from start to finish.
Building Services We Offer in South East London
We deliver a full range of domestic and commercial building services across South East London, helping homeowners transform, extend, and modernise their properties with skilled workmanship and clear, honest advice. Whether you live in a Victorian terrace in Greenwich, a 1930s semi in Eltham, a modern home in Kidbrooke, or a period property in Blackheath, our team provides high-quality building work tailored to local homes and planning requirements.
Here are the services we most commonly complete throughout South East London.
House Extensions
Extend and improve your home with a professionally built extension. We complete all types of house extensions across South East London, including single-storey kitchen extensions, rear extensions, side-return extensions, double-storey additions, and full wrap-around designs.
Many local homeowners choose extensions to create open-plan living spaces, larger kitchens, or extra bedrooms — and we support you from early design ideas through to final completion.
Loft Conversions
Homes across SE London are often ideal for loft conversions, thanks to generous roof pitches and attic space. We build dormer, hip-to-gable, Velux, and L-shaped loft conversions that transform unused space into bright, functional rooms.
Whether you need a master bedroom, home office, or en-suite, our team manages all structural work, insulation, electrics, and finishing to create a polished extension of your home.
Home Renovations & Refurbishments
From modernising period properties to reconfiguring modern homes, we offer complete renovation services throughout South East London. This includes structural changes, kitchen and bathroom refurbishments, plastering, rewiring, flooring, and full interior updates.
Our renovations are designed to enhance comfort, flow, and long-term value — with every detail completed to a high standard.
New Build Homes
If you're planning to build a new property in South East London, we offer a complete design-to-build service. Our experienced team handles every stage, from groundwork and brickwork to roofing, interiors, and finishing.
With over 30 years’ experience, we work closely with architects, surveyors, and building control to ensure your new build is completed safely, efficiently, and to exceptional quality.
Commercial Building Work
We carry out commercial building projects across SE London, including office refurbishments, shop fit-outs, commercial extensions, and repairs for retail, hospitality, and commercial buildings.
We work safely, efficiently, and with minimal disruption, ensuring your business remains operational throughout the project.
Listed & Historic Building Works
South East London has many conservation areas and historic buildings, and we have the experience to restore them with care.
We carry out structural improvements, internal refurbishments, and external restorations that preserve original character while upgrading functionality and safety.
House Extension and Loft Conversion Specialists in South East London
PJ Builders is a trusted, family-run building company based in South East London, proudly serving homeowners across Greenwich, Lewisham, Eltham, Woolwich, Blackheath, Bromley, and surrounding neighbourhoods since 1994.
For over 30 years, we’ve specialised in house extensions, loft conversions, and home renovations, helping families across the SE London 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 SE London, 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 South East London?
For more than 30 years, homeowners across South East London have relied on P J Dunbar Builders Ltd for building work that is well-managed, fairly priced, and completed to an exceptional standard. As a family-run company established in 1995, we take pride in delivering honest communication, skilled craftsmanship, and results that stand the test of time.
Many of our projects in South East London come from repeat customers or personal recommendations — a testament to the trust we’ve earned over the decades. Whether your home is a Victorian terrace in Greenwich, a 1930s semi in Eltham, a modern property in Kidbrooke, or a period home in Blackheath, our team understands the unique building styles and planning considerations across the region.
With strong local knowledge and an experienced, long-standing workforce, we ensure your project runs smoothly from the first conversation to final handover.
30+ Years of Experience in South East London
With over three decades of building experience across South East London, we’ve completed everything from small refurbishments to large extensions and full property transformations. Our long-standing team understands the architectural styles and layouts common throughout the region — ensuring reliable workmanship on every project.
Family-Run & Recommended by Local Homeowners
As a family-run business since 1995, we’re known for honesty, clear communication, and workmanship you can rely on. Many of our South East London clients come to us through recommendations — a reflection of the strong reputation we’ve built in areas like Greenwich, Lewisham, Eltham, and beyond.
Transparent, Fair, Upfront Pricing
We keep pricing simple and honest. Every quote is clearly itemised with no hidden extras, no vague allowances, and no surprises later on. South East London homeowners trust us because we prioritise fairness, clarity, and delivering genuine value without cutting corners.
Smooth, Stress-Free Project Management
From planning and design to construction and finishing, we handle the entire process in-house. With one reliable team and a dedicated point of contact, your project in South East London stays organised, efficient, and worry-free — giving you complete peace of mind.
Choose a Builder Who Brings Reliability Back to Your Home Project
We often hear from homeowners in South East London who’ve been let down by builders rushing jobs, failing to communicate, or leaving work unfinished. That’s why we’ve built our business around reliability, transparency, and quality workmanship — values we’ve upheld since 1995.
Our long-standing team takes pride in doing things properly. We use skilled tradesmen who’ve worked with us for years, keep the site clean and organised, and make sure you’re updated at every stage. The result? A home improvement project that’s smooth, structured, and built to last.
If you’d like reassurance before moving forward, feel free to read through the reviews we’ve received from homeowners across Greenwich, Lewisham, Eltham, Blackheath, and surrounding areas.

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 South East London
We’ve carried out a wide range of building projects across South East London, including kitchen extensions, loft conversions, full property refurbishments, and new build developments. Every project is delivered by our experienced, long-standing team and reflects the high standards, attention to detail, and reliability that our customers expect.
Below is a small preview of the kind of work we regularly complete for homeowners throughout Greenwich, Eltham, Lewisham, Blackheath, and the wider South East London area. To explore more examples, feel free to browse our full portfolio.
What Homeowners in South East London Say About Our Work
We’re proud to have built strong relationships with homeowners across South East London, many of whom return to us for future projects or recommend us to neighbours, friends, and colleagues. Here are a few comments from clients we’ve recently worked with in the SE London area.



Frequently Asked Questions About Our Building Services in South East London
If you’re planning a building project in South East London, you probably have a few questions before getting started. Here are some of the most common queries we receive from homeowners across Greenwich, Eltham, Lewisham, Blackheath, and the surrounding SE London areas — along with clear, honest answers to help you make an informed decision.
Yes — we work across the whole of South East London, including Greenwich, Lewisham, Eltham, Blackheath, Kidbrooke, Woolwich, Hither Green, and nearby areas. If you’re unsure whether your property is within our coverage, just get in touch and we’ll confirm right away.
Costs vary depending on your property, design, and structural requirements. As a guide, house extensions in SE London typically start in the tens of thousands, while loft conversions vary based on the type (dormer, hip-to-gable, Velux, L-shaped).We always provide a free, detailed, itemised quote so you know exactly what’s involved — no hidden extras.
Possibly. Some projects fall under permitted development, while others require full planning permission — especially in conservation areas found in places like Greenwich and Blackheath.We can handle everything for you, including drawings, structural calculations, and planning applications through your local South East London council.
Timelines depend on the type of work:Single-storey extensions: around 8–12 weeks
Loft conversions: typically 6–10 weeks
Renovations: varies based on scope
After a site visit, we’ll give you a clear, realistic timeframe specific to your property.
Yes — we offer a full design-to-build service. We handle everything in-house, including planning support, construction, electrics, plumbing, plastering, and finishing. You’ll have a single point of contact throughout the entire process, making it smooth and stress-free.
Absolutely. SE London is full of Victorian, Edwardian, and 1930s homes, and we have extensive experience restoring, renovating, and extending properties of all ages. We respect original character while upgrading your home to modern standards.
In most cases, yes. Many South East London homeowners stay in their property during extensions, loft conversions, and renovations. We aim to minimise disruption, maintain a tidy site, and keep you informed of work schedules throughout the project.
Just contact us for a friendly chat. We’ll discuss your ideas, arrange a site visit if needed, and provide honest guidance about the best next steps for your project in South East London.
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 South East London?
If you’re planning an extension, loft conversion, renovation, or any kind of building work in South East London, we’re here to help. Whether you already have drawings prepared or you’re just beginning to explore ideas, our team offers clear guidance, fair pricing, and a smooth, well-managed process from start to finish.
Reach out today and let’s talk about how we can turn your plans into a beautifully built space that fits your home and lifestyle.







