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.

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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

Our Services

We provide a comprehensive range of domestic, commercial, and specialist building services across Kent and South East London. Whether you’re planning a home extension, a full renovation, or a commercial construction project, our experienced, family-run team delivers high-quality workmanship, clear communication, and reliable project management from start to finish.

Below is an overview of the services we offer. Each service has its own dedicated page with more detailed information to help you explore what’s right for your project.

Domestic Building Services

House Extensions

Create more space and improve the way your home works with a professionally built extension. We design and construct single-storey, double-storey, rear, side-return, and wraparound extensions that add long-term value while blending seamlessly with your existing property.

Loft Conversions

Unlock unused attic space and transform it into a practical living area such as a bedroom, home office, or bathroom. We deliver loft conversions that feel like a natural part of your home, handling structure, insulation, electrics, and finishing.
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Home Renovations

Completely modernise and improve your home with a full or partial renovation. From layout changes and structural alterations to full interior upgrades, we manage every stage to deliver a cohesive, high-quality finish built around your lifestyle.

Kitchen Extensions

Create a larger, brighter kitchen with improved flow and functionality. Whether you’re extending to the rear, side, or both, we build kitchen extensions that support modern living, entertaining, and everyday family life.

Garage Conversions

Convert an underused garage into valuable living space such as a bedroom, office, or playroom. Garage conversions are a cost-effective way to gain extra space without extending the footprint of your home.

Structural Work

Carry out safe, compliant structural alterations including wall removals, steel beam installation (RSJs), and load-bearing changes. All work is completed in line with current building regulations and structural requirements.

Bathrooms & Kitchens

Upgrade tired bathrooms and kitchens with quality workmanship and attention to detail. We handle everything from layout changes and plumbing to tiling, electrics, and finishes, delivering spaces that are practical and built to last.

Patios, Driveways & Garden Walls

Improve the look and usability of your outdoor areas with professionally built patios, driveways, and garden walls. We focus on durable construction, proper ground preparation, and clean finishes that stand the test of time.

Porches & Entrance Extensions

Enhance kerb appeal and improve insulation with a well-designed porch or entrance extension. These projects add practical storage, improve security, and create a more welcoming first impression.

Outbuildings & Garden Rooms

Add flexible, standalone spaces such as garden rooms, studios, or storage buildings. Ideal for home offices, gyms, or hobbies, all built with solid foundations and long-term use in mind.

Listed & Period Property Restorations

Carefully restore and improve listed and period properties while preserving original features and character. We use appropriate materials and methods to ensure all work is sympathetic, compliant, and respectful of the building’s heritage.

Roofing & Roof Repairs

Provide reliable roofing services including repairs, maintenance, and full roof replacements. We address issues quickly and ensure your roof remains weatherproof, safe, and structurally sound.

Commercial Building Services

Commercial Building & Construction

Deliver end-to-end construction services for commercial projects of all sizes. We manage everything from planning and groundworks to construction and completion, ensuring projects are delivered safely, efficiently, and in full compliance with regulations.

Office Refurbishments & Fit-Outs

Create practical, well-designed office environments that support productivity and growth. From layout reconfigurations to full fit-outs, we deliver professional spaces with minimal disruption to day-to-day operations.
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Retail & Shop Refurbishments

Upgrade retail and shop interiors to create welcoming, functional spaces for customers and staff. We focus on quality finishes, efficient scheduling, and clear communication to ensure your business stays operational wherever possible.

School & Public-Sector Building Works

Carry out safe, compliant construction and refurbishment works for schools and public-sector facilities. We work within strict regulations, safeguarding requirements, and health and safety standards to deliver dependable results.

Industrial Units & Warehouse Construction

Construct robust, purpose-built industrial units and warehouse spaces designed for long-term performance. From structural works to functional layouts, we deliver practical buildings suited to operational demands.

Maintenance & Repair Contracts for Businesses

Provide ongoing maintenance and responsive repair services for commercial properties. Our contract-based approach ensures issues are dealt with promptly, helping businesses maintain safe, functional, and compliant premises.

Specialist Services

Design & Planning Management

We coordinate the design and planning stages of your project to ensure everything is prepared correctly before construction begins. From liaising with architects and consultants to managing planning applications and technical details, we help turn ideas into approved, build-ready plans.

Project Management

Our project management service provides professional oversight from start to finish. We coordinate trades, schedules, materials, and quality control, ensuring your project runs smoothly, stays organised, and is delivered to a high standard with clear communication throughout.

Property Maintenance & Small Works

We carry out smaller building works and ongoing property maintenance with the same care and attention as larger projects. From repairs and minor alterations to general upkeep, we help homeowners and landlords keep properties safe, functional, and well maintained.

Structural Alterations & Steelwork Installation (RSJs)

We carry out safe, compliant structural alterations, including wall removals, opening enlargements, and steel beam (RSJ) installation. All work is planned carefully and carried out to meet structural and building regulation requirements.
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Brickwork & Masonry Services

Our skilled bricklayers deliver high-quality brickwork and masonry for both structural and decorative projects. This includes extensions, repairs, repointing, and feature brickwork, all completed with attention to detail and long-term durability in mind.

Groundworks & Foundations

Strong buildings start below ground. We carry out professional groundworks and foundation work, including excavation, drainage, footings, and preparation for construction. Every project is completed with precision to ensure long-term structural integrity.

Building Regulations & Compliance Support

We help ensure your project meets current building regulations and compliance requirements. From inspections and approvals to working with building control and engineers, we provide guidance and support to keep your project safe, compliant, and stress-free.

Plastering & Rendering

Achieve smooth, durable finishes with professional plastering and rendering for internal and external works. We deliver high-quality results as part of extensions, renovations, and structural projects, keeping finishes consistent and well coordinated.

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.

Start your project with a family-run builder you can rely on
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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