Builders in Bromley
Trusted, Experienced Local Builders Serving Bromley and the Surrounding BR Areas
If you’re looking for trusted, reliable builders in Bromley, P J Dunbar Builders Ltd is here to help. Since 1994, we’ve been delivering high-quality building work across Bromley, Shortlands, Hayes, Beckenham, Petts Wood, Keston, and the wider BR1 and BR2 areas.
As a family-run company with over 30 years of experience, we combine skilled craftsmanship with honest communication to ensure every project — big or small — is completed to the highest standard. Whether you're planning a house extension, loft conversion, renovation, or a new build, our long-standing team provides dependable, well-managed building services you can trust.
From period terraces near Bromley North to detached properties in Hayes and modern homes across Bromley South, we understand local property styles and planning requirements — helping us deliver results that enhance your home and lifestyle.
Building Services We Offer in Bromley
We provide a full range of domestic and commercial building services across Bromley, helping homeowners improve, extend, and modernise their properties with reliability, transparency, and care.
House Extensions
Create additional space and improve your home’s flow with a professionally built extension. We complete all types of house extensions in Bromley, including rear kitchen extensions, wrap-around extensions, double-storey builds, side returns, and open-plan redesigns.
Whether you want a larger kitchen, extra bedroom, family room, or more entertaining space, we provide design support, expert craftsmanship, and clear communication throughout your project.
Loft Conversions
Bromley’s many semi-detached and detached properties offer excellent potential for loft conversions. We specialise in dormer, hip-to-gable, Velux, and L-shaped conversions — transforming unused attic space into bright, functional rooms.
From master suites with en-suites to home offices and guest bedrooms, we handle structural work, insulation, electrics, plumbing, and finishing with care and precision.
Home Renovations
Whether you’re modernising a dated home or updating the layout to suit family life, we provide complete renovation services across Bromley. This includes structural alterations, kitchen and bathroom refurbishments, plastering, flooring, rewiring, and full interior transformations.
Our focus is on delivering practical improvements, high-quality finishes, and long-term value.
New Builds
If you're planning a new build in Bromley, our team offers a full end-to-end construction service — from groundwork and foundations to roofing, interiors, and final completion.
With decades of experience working alongside architects and local authorities, we ensure your new home is built efficiently, safely, and to the highest standard.
Commercial Building Work
We carry out commercial building services for shops, offices, hospitality venues, and business premises across Bromley. From refurbishments and fit-outs to structural changes and extensions, we deliver safe, efficient work with minimal disruption to your operations.
Listed & Heritage Building Work
Bromley has a number of conservation areas and historic properties. We offer specialist restoration and refurbishment services that preserve original features while improving structure, safety, and functionality.
Our heritage work combines traditional craftsmanship with modern building practices to ensure respectful, long-lasting results.
Leading House Extension & Loft Conversion Specialists in Bromley
P J Dunbar Builders Ltd is a long-established, family-run building company serving Bromley, Hayes, Shortlands, Petts Wood, Beckenham, and nearby areas since 1994.
For over three decades, we’ve specialised in house extensions, loft conversions, and home renovations, helping Bromley families create more space, improve functionality, and increase the value of their homes.
Whether you're planning a large open-plan kitchen extension, a double-storey addition, a rear or side-return extension, or a high-quality loft conversion, our experienced team manages every stage — from design and planning to completion — with craftsmanship, clear communication, and genuine care.
Our reputation in Bromley has been built on consistent results, honest pricing, and family values that always put the customer first.
If you’re searching for dependable, experienced builders in Bromley, Hayes, or Beckenham, we’d be delighted to help you take the next step.
Why Choose P J Dunbar Builders for Your Project in Bromley?
For over 30 years, homeowners across Bromley have trusted P J Dunbar Builders Ltd for reliable, high-quality building work. As a family-run business, we value honesty, communication, and delivering workmanship that stands the test of time.
Many of our Bromley clients come to us through personal recommendations — a sign of the service, reliability, and attention to detail we provide on every project.Whether your home is Victorian, Edwardian, 1930s, or modern, we understand the property styles and planning considerations common across the BR1 and BR2 areas. Our long-standing team ensures your project is handled professionally from the initial conversation to the final handover.
Decades of Local Experience
We’ve worked across Bromley for over 30 years, completing everything from small refurbishments to full extensions and new builds. Our deep local knowledge helps keep your project efficient and compliant.
Family-Run & Trusted Since 1994
Built on honesty and traditional family values, we provide a personal service that many larger contractors can’t. Most of our work comes from local recommendations — a testament to the trust we’ve earned.
Fair, Transparent Pricing
Our quotes are clear, itemised, and honest. No hidden extras, no vague estimates — just straightforward pricing backed by genuine craftsmanship.
Smooth, Stress-Free Project Management
We manage the entire process in-house, ensuring every stage — from planning to construction — is handled by experienced professionals. One team, one point of contact, one seamless experience.
Choose a Builder You Can Rely On in Bromley
Many homeowners come to us after dealing with builders who overpromise, underdeliver, or fail to communicate properly. We take a different approach — one rooted in honesty, reliability, and high-quality workmanship.
Our long-standing team takes pride in doing things properly, keeping the site tidy, updating you at every stage, and delivering results that look great and last for decades.
If you'd like reassurance, feel free to browse our reviews from clients across Bromley, Hayes, Shortlands, and Petts Wood.
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 in Bromley
We’ve completed numerous building projects across Bromley, including kitchen extensions, loft conversions, full home renovations, and new build homes.
Every project is carried out by our long-standing team and reflects the craftsmanship and attention to detail our customers expect.
Below is a small preview of the type of work we complete for homeowners in Bromley and surrounding areas. To see more, browse our full project portfolio.
What Bromley Homeowners Say About Our Work
We’re proud to support families and homeowners across Bromley, 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.
FAQs — Building Services in Bromley
Before starting a building project in Bromley, most homeowners have questions about planning, timescales, costs, and the type of work we carry out. Below are some of the most common queries we receive from customers across Bromley, Shortlands, Hayes, Beckenham, Petts Wood, Keston, and the wider BR1 and BR2 areas. — along with straightforward answers to help you move forward with confidence.
Yes — we work throughout Bromley, including Hayes, Shortlands, Beckenham, Petts Wood, Keston, and nearby BR1 and BR2 locations.
Some projects fall under permitted development, while others require planning approval from Bromley Council.
We handle planning, drawings, and building control for you.
Absolutely — Bromley homes typically see strong returns on well-designed extensions and loft conversions, especially for family-sized homes.
Yes — all work is carried out by insured, qualified professionals, with all necessary documentation provided.
All work includes a standard workmanship guarantee, with optional extended guarantees available.
The cost varies based on size and design, but 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.
Most loft conversions in Bromley take 6–10 weeks, depending on your property and the type of conversion.
Yes — we offer full design and architectural support. If you already have plans, we’re happy to work with them.
Yes — we work directly with Bromley Building Control to ensure your project is inspected and approved at every stage.
Simply get in touch for a friendly conversation and a free site visit. We’ll provide honest guidance and a clear, detailed 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.
Ready to Start Your Project in Bromley?
Whether you're planning an extension, loft conversion, renovation, or new build, our experienced team is here to help. With nearly 30 years of experience and a reputation built on trust, we deliver results you can rely on.