Company
About Us

A family-run building company established in 1995

FAQs

Answers to common questions about our services

Health & Safety

Our commitment to safe, compliant building practices

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We’d love to hear about your experience working with us

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Projects

Recent Building Projects

Take a look at some of the work we’ve recently completed across Kent and South East London — real projects, delivered by our experienced, long-standing team.

View All Projects
Modern kitchen with dark cabinetry, marble countertops, two skylights, hanging pendant lights, and wooden herringbone floor.
Single Storey Side & Rear Extension
Bexley
Modern dining room with a wooden table and eight chairs, a black sideboard, and a skylight overhead.
Double Storey & Side Extension
South East London
Modern garden room with wooden cladding, black-framed sliding glass doors, gray patio chairs, and potted plants under a partly cloudy sky.
Garden Room Construction
Bexleyheath
Areas We Cover
Kent

Trusted builders serving Kent and surrounding areas

Bexley

Local builders serving Bexley and nearby areas

Bexleyheath

Local builders serving Bexleyheath and nearby areas

South East London

Trusted builders working across South East London

Dartford

Local builders serving Dartford and nearby areas

Sidcup

Local builders serving Sidcup and nearby areas

Eltham

Local builders serving Eltham and nearby areas

Welling

Local builders serving Welling and nearby areas

Bromley

Local builders serving Bromley and nearby areas

Chislehurst

Local builders serving Chislehurst and nearby areas

Orpington

Local builders serving Orpington and nearby areas

Don’t see your area listed? Don't worry we cover a wide range of locations —
Get in touch to check availability.
Services

Domestic Services

House Extensions

Add space with a professionally built extension

Loft Conversions

Turn a unused loft into usable living space

Home Renovations

Transform and modernise your home’s interior

Kitchen Extensions

Create a larger, open-plan kitchen space

Garage Conversions

Convert your garage into usable living space

Structural Work

Safe structural alterations and steelwork installation

Bathroom & Kitchens

Upgrade your bathroom or kitchen space

Patios, Driveways & Garden Walls

Improve outdoor spaces with quality hard landscaping

Porches & Entrance Extensions

Enhance your home’s entrance with a porch

Outbuildings & Garden Rooms

Create a separate garden room or outbuilding

Listed & Period Property Restorations

Careful restoration of listed and period homes

Roofing & Roof Repairs

Reliable roofing and roof repair services

Commercial  Services

Commercial Building & Construction

End-to-end construction for commercial projects

Office Refurbishments & Fit-Outs

Create productive, well-designed office spaces

Retail & Shop Refurbishments

Professional refurbishments for retail spaces

School & Public-Sector Building Works

Safe, compliant building works for public facilities

Industrial Units & Warehouse Construction

Purpose-built industrial and warehouse facilities

Maintenance & Repair Contracts for Businesses

Planned and reactive maintenance for businesses

Specialist Services

Design & Planning Management

Design and planning coordination made simple

Project Management

Professional oversight from start to finish

Property Maintenance & Small Works

Small building repairs and property maintenance

Structural Alterations & Steelwork Installation (RSJs)

Safe structural alterations and steel beam installation

Brickwork & Masonry Services

Skilled bricklaying and masonry work

Groundworks & Foundations

Solid groundworks and foundations built correctly

Plastering & Rendering

Plastering and rendering for extensions and renovations

Building Regulations & Compliance Support

Ensuring your project meets building regulations

Helpful Information

Get a Free QuoteView Recent ProjectsAbout UsFAQsHealth & SafetyAll Services
Contact
+44 7861 816825dunbarbuilders@hotmail.co.uk

Builders in South East London

Modern wooden garden room with large glass sliding doors, outdoor seating area, and neatly trimmed lawn and shrubs.

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.

Our Services

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.

Learn about our house extension services

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. 

Discover our loft conversion options

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. 

Explore our home renovation services

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. 

See how we handle new build projects

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.

View our commercial building services

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. 

View our listed building restoration work

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.

Two hanging hammock chairs with colorful striped cushions in a bright room with slanted ceiling and multicolored glass block wall.
Why Us

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.

Request a Free Quote in South East London
Modern dining room with a wooden table and eight chairs, a black sideboard, and a skylight overhead.

Our Experience in Numbers

2000+

Completed Projects across Bexley, Kent & South East London

Two construction workers smoothing walls and floor in a room under renovation with a metal scaffold and a stool nearby.
90%

Work from Repeat Clients & Referrals.

30+

Years in Business Since 1994

Worker transporting a wooden plank in an office under renovation with exposed ceiling ducts and hanging plants.

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.

Modern kitchen with black and white island, grey cabinets, teal backsplash, and a window overlooking green trees.
Modern kitchen with wooden dining table, six gray upholstered chairs, pendant lights, skylights, gray cabinets, and teal tile backsplash.
Two hanging hammock chairs with colorful striped cushions in a bright room with slanted ceiling and multicolored glass block wall.
Modern kitchen with dark cabinetry, marble countertops, wooden stools, large window, and herringbone wood floor.
Cozy living room with beige chairs and sofa, yellow and floral pillows, round white coffee table, and large windows showing a green garden outside.
Modern bathroom with white toilet, white sink cabinet, large beige floor tiles, dark marble wall tiles, frosted window with a roller blind, and a small white drawer unit with a potted fern.
Modern kitchen with marble countertops, four green bar stools, pendant lights, a laptop, and a vase of yellow flowers on the island.
Modern kitchen with marble countertops, L-shaped cabinets, two pendant lights, and glass doors opening to a backyard.

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. 

"PJ Dunbar completed our single storey rear extension to a very high standard. The team were professional, tidy, and considerate while we were living in the property. We’ve since used them again for garden works and other alterations and would highly recommend them."
Cheryl Hammond
Rear Extension & Additional Works
"We hired PJ Dunbar to renovate our new home under tight time and budget pressure and couldn’t be happier with the result. The work was well organised, the trades worked seamlessly, and everything was completed promptly. Danny made the whole process stress free and we’d highly recommend them."
Tanya Clarke
Full Home Renovation
"We’d previously used PJ Dunbar for a driveway, so didn’t hesitate to contact them again for our garden room. The work was well organised, the team were friendly and tidy, and the finished result is excellent. We’d happily recommend them."
Emma Appleton
Garden Room Construction

Email Us

dunbarbuilders@hotmail.co.uk

Call Us

+44 7861 816825

Request a Free Quote

Get Your  Free No Obligation Quote

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. 

Do you cover all parts of South East London?

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.

How much does an extension or loft conversion cost in South East London?

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.

Will I need planning permission from the local council?

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. 

How long will my project take?

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.

Can you manage the entire project from start to finish?

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. 

Do you work on period and historic homes in South East London?

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. 

Can I stay in my home during the work?

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. 

How do I get started?

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.

Request Your Free Estimate Today

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.

Request Your Free Quote
Contact:
+44 7861 816825
dunbarbuilders@hotmail.co.uk
Opening Hours:
Monday–Friday: 8am–5pm
Saturday: 8am–1pm
Sunday: Closed
Company number:
08014695
CompanyHomeAboutProjectsContactAreas We CoverFAQsHealth & SafetyLeave us a review
Domestic ServicesHouse ExtensionsLoft ConversionsHome RenovationsKitchen ExtensionsGarage ConversionsStructural WorkBathroom & KitchensPatios, Driveways & Garden WallsPorches & Entrance ExtensionsOutbuildings & Garden RoomsListed & Period Property RestorationsRoofing & Roof Repairs
Commercial  ServicesCommercial Building & ConstructionOffice Refurbishments & Fit-OutsRetail & Shop RefurbishmentsSchool & Public-Sector Building WorksIndustrial Units & Warehouse ConstructionMaintenance & Repair Contracts for Businesses
Specialist ServicesDesign & Planning ManagementProject ManagementProperty Maintenance & Small WorksStructural Alterations & Steelwork Installation (RSJs)Brickwork & Masonry ServicesGroundworks & FoundationsBuilding Regulations & Compliance SupportPlastering & Rendering
Areas We CoverKentBexleyBexleyheathSouth East LondonDartfordSidcupBromleyElthamWellingChislehurstOrpington
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