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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Speak to our team for honest advice and guidance.
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 Welling

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

Trusted, Reliable Local Builders Serving Welling and the Surrounding DA16 Area

If you're searching for experienced, reliable builders in Welling, P J Dunbar Builders Ltd is here to help. Established in 1994, we provide high-quality building work across Welling, East Wickham, Falconwood, Upper Welling, and the wider DA16 area.

As a family-run company with over 30 years of experience, we combine skilled craftsmanship with honest communication and well-organised project management. Whether you're planning a home extension, loft conversion, renovation, or new build, our long-standing team delivers work that enhances your home, improves your lifestyle, and adds long-term value.

From 1930s semis in Falconwood to terraced homes near Welling High Street and modern properties across East Wickham, we understand the local property styles and planning considerations that shape the area — helping us complete every project professionally, safely, and to a high standard.

Our Services

Building Services We Offer in Welling

We offer a full range of domestic and commercial building services throughout Welling, helping homeowners expand their living space, modernise their homes, and bring their long-term plans to life.

House Extensions

Increase your living space and improve your home layout with a high-quality extension. We carry out all types of house extensions in Welling, including rear kitchen extensions, side-return additions, double-storey extensions, and full wrap-around builds.

Many Welling homeowners choose extensions to create open-plan kitchens, larger dining areas, or extra bedrooms — and we guide you through every stage with clear communication and skilled craftsmanship.

Learn about our house extension services

Loft Conversions

Homes in Welling, Falconwood, and Upper Welling offer excellent loft conversion potential. We specialise in dormer, hip-to-gable, Velux, and L-shaped loft conversions that transform unused attic space into bright, comfortable, practical rooms.

Whether you’re creating a master suite, office, or additional bedroom, we handle the structural work, insulation, electrics, and finishing to deliver a seamless extension of your home.

Discover our loft conversion options

Home Renovations

Whether you're modernising an older property or improving the layout for family life, we offer full renovation services across Welling. This includes structural alterations, kitchen and bathroom refurbishments, plastering, rewiring, flooring, and complete interior overhauls.

Our focus is on delivering high-quality finishes and practical upgrades that improve your home's comfort, functionality, and long-term value.

Explore our home renovation services

New Build Homes

Planning a new home in Welling? We provide a complete end-to-end new build service — including groundwork, foundations, brickwork, roofing, and interior finishing.

With decades of experience working alongside architects and local authorities, we ensure your new build project is completed safely, efficiently, and to a high standard.

See how we handle new build projects

Commercial Building Work

We deliver safe, efficient commercial building services for shops, offices, and business premises throughout Welling. This includes commercial refurbishments, fit-outs, structural improvements, and maintenance work — completed with minimal disruption to your operations. 

View our commercial building services

Listed & Heritage Building Work

Welling includes areas with older and character-rich properties. We provide specialist restoration and refurbishment services that preserve original features while upgrading structure, usability, and safety, using traditional building techniques where required.

View our listed building restoration work

Leading House Extension & Loft Conversion Specialists in Welling

P J Dunbar Builders Ltd is a trusted, family-run building company serving Welling, Falconwood, Upper Welling, East Wickham, and surrounding areas since 1994.

For over three decades, we’ve specialised in house extensions, loft conversions, and home renovations, helping families across Welling create more space, improve home layouts, and unlock long-term value.

Whether you're planning a kitchen extension, double-storey build, rear extension, side return, or a high-quality loft conversion, our experienced team manages every stage — including design, planning, construction, and final finishing.

Our reputation across Welling has been built on honest pricing, reliable communication, and a commitment to doing things properly.

If you're looking for trusted, experienced builders in Welling or Falconwood, we’d be pleased to help you begin your project.

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 Welling?

For over 30 years, homeowners across Welling have relied on P J Dunbar Builders Ltd for dependable, high-quality building work. As a family-run company, we pride ourselves on honesty, skilled workmanship, and communication that keeps your project running smoothly.

Many of our clients in Welling, East Wickham, and Falconwood come from personal recommendations — a reflection of the trust and satisfaction we've built over the years.

Whether your home is a 1930s semi, terraced property, or modern development, we understand the building styles and planning considerations specific to the DA16 area. Our long-standing team ensures every project is completed to a high standard, safely and efficiently.

Decades of Proven Experience

We’ve been working across Welling and the DA16 area for over 30 years, delivering everything from small home improvements to major extensions and new builds. 

Family-Run & Highly Recommended

As a family-run business established in 1994, we prioritise honesty, clear communication, and respectful working practices. Many Welling homeowners recommend us to neighbours and friends.

Transparent, Fair Pricing

We provide clear, itemised quotes with no hidden extras or unexpected add-ons — giving you complete peace of mind before the project begins.

Streamlined, Stress-Free Project Management

We handle every stage under one roof — design, planning, construction, and finishing — giving you a single point of contact and a smooth, well-organised process.

Choose a Builder You Can Trust in Welling

Many homeowners tell us they’ve previously dealt with builders who cut corners, disappear mid-project, or overcharge. We built our company on the opposite approach — honesty, reliability, and craftsmanship that lasts.

Our long-standing team keeps you informed throughout the build, maintains a tidy site, and delivers work you’ll be proud of.
‍
If you’d like reassurance, feel free to browse reviews from customers across Welling, East Wickham, and Falconwood.

Request a Free Quote in WellingGet Friendly Advice
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 in Welling

We’ve completed a wide range of projects across Welling, including kitchen extensions, loft conversions, full renovations, and new build homes.

Each project is carried out by our long-standing, skilled team and reflects the high-quality workmanship we’re known for.

Below is a small preview of the type of work we deliver for homeowners in Welling and nearby areas. To see more, browse our full project portfolio.

Modern wooden garden room with large glass sliding doors, outdoor seating area, and neatly trimmed lawn and shrubs.
Modern dining room with a wooden table, eight upholstered chairs, large clock on wall, black cabinet with bottles, and a dark green sofa with plants and floor lamp.
Compact bathroom with pink and white tiled walls, a small sink with black cabinet, round mirror, and glass-enclosed shower with rain showerhead.
Two hanging hammock chairs with colorful striped cushions in a bright room with slanted ceiling and multicolored glass block wall.
Modern kitchen with marble countertops, L-shaped cabinets, two pendant lights, and glass doors opening to a backyard.
Modern bathroom with a white bathtub, gray tiled walls, a small cabinet with a green plant, and a window with a roller blind.
Bright kitchen and living area with a wooden dining table under a large skylight showing a clear blue sky.
Modern kitchen with dark cabinetry, marble countertops, two skylights, hanging pendant lights, and wooden herringbone floor.

What Welling Homeowners Say About Our Work

We’re proud to support families and homeowners across Welling, many of whom return to us for future projects or recommend us to friends, neighbours, and colleagues. Here are a few comments from clients we’ve recently worked with.

"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

FAQs — Building Services in Welling

Do you cover all parts of Welling?

Yes — we work across Welling, East Wickham, Falconwood, Upper Welling, Crook Log, and surrounding DA16 areas.

Do you handle planning permission for Welling homeowners?

Yes — we manage the entire process, including drawings, structural calculations, planning submissions, and communication with Bexley Council.

Will an extension or loft conversion add value to my Welling home?

Yes — Welling properties typically see a significant increase in value following well-built extensions and loft conversions, especially 1930s semis.

Are you insured and accredited?

Yes — all work is carried out by qualified, insured professionals with full documentation provided.

Do you offer guarantees?

All work includes a standard workmanship guarantee, with extended options available on request.

How much does a house extension cost in Welling?

Most single-storey extensions range from £45,000–£75,000, while double-storey extensions typically start from £70,000–£120,000.
We provide detailed, itemised quotes with no hidden extras.

How long does a loft conversion take?

Most loft conversions in Welling take 6–10 weeks, depending on the design and structural requirements.

Do you work with architects or can you design the project?

Both — we can work from your existing plans or provide full architectural and design support.

Do you manage building control approval?

Yes — we handle inspections and approvals through Bexley Building Control.

How do I get started?

Simply contact us to arrange a friendly chat or site visit. We’ll provide clear advice and a detailed, no-obligation quote.

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 Welling?

Whether you're planning an extension, loft conversion, renovation, or new build, our experienced team is here to help.

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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