Builders in Eltham
Trusted, Experienced Local Builders Serving Eltham and the Surrounding SE9 Area
If you're looking for reliable, experienced builders in Eltham, P J Dunbar Builders Ltd is here to help. Established in 1994, we provide high-quality building and renovation services across Eltham, New Eltham, Mottingham, Avery Hill, and the wider SE9 area.
As a long-established, family-run building company, we pride ourselves on skilled workmanship, honest communication, and dependable project management from start to finish. Whether you're planning a house extension, loft conversion, full renovation, or new build, our team delivers results that improve your home, add value, and stand the test of time.
From 1930s semis in Eltham Park to period homes near the High Street and modern properties across Avery Hill, we understand the local property styles and planning considerations that shape the area — and we use that knowledge to ensure your project runs smoothly and successfully.
Building Services We Offer in Eltham
We provide a comprehensive range of domestic and commercial building services throughout Eltham, helping homeowners enhance their properties with more space, better layouts, and long-lasting improvements.
House Extensions
Create more space and upgrade your home with a professionally built extension. We complete all types of house extensions in Eltham, including rear kitchen extensions, single-storey additions, side returns, double-storey builds, and full wrap-around designs.
Whether you want an open-plan kitchen, a larger family room, an extra bedroom, or a modern entertaining space, we guide you through every stage — from design and planning to construction and finishing.
Loft Conversions
Many homes in Eltham and New Eltham have excellent loft conversion potential. We specialise in dormer, hip-to-gable, Velux, and L-shaped loft conversions that transform unused attic areas into bright, practical rooms.
Whether you're creating a master bedroom, home office, nursery, or en-suite, we handle all structural work, insulation, plumbing, electrics, and finishing — ensuring a seamless extension of your home.
Home Renovations
If you're modernising your property or improving the layout for family life, we offer complete renovation services across Eltham. This includes structural changes, interior reconfigurations, kitchen and bathroom refurbishments, rewiring, plastering, flooring, and full property makeovers.
Our goal is to deliver high-quality finishes that make your home more comfortable, functional, and future-proof.
New Build Homes
Planning a new build in Eltham? We provide a complete end-to-end service — from groundwork and foundations to brickwork, roofing, interior finishing, and final handover.
With over 30 years of experience, we coordinate closely with architects, surveyors, and local authorities to ensure your new home is built safely, efficiently, and to the highest standard.
Commercial Building Work
We offer reliable commercial building services for shops, offices, hospitality venues, and business premises across Eltham and SE9. Our work includes commercial refurbishments, shop fit-outs, structural improvements, and property upgrades — all completed with safety, efficiency, and minimal disruption.
Listed & Heritage Building Work
Eltham includes several conservation areas and historic buildings, particularly around Eltham Palace and the surrounding estates. We offer specialist heritage restoration and refurbishment services that preserve original details while improving the building’s structure, safety, and usability.
Our team combines traditional craftsmanship with modern building standards to deliver respectful, long-lasting results.
Leading House Extension & Loft Conversion Specialists in Eltham
P J Dunbar Builders Ltd is a trusted, family-run building company serving Eltham, New Eltham, Mottingham, Avery Hill, and the wider SE9 area since 1994.
For over three decades, we’ve specialised in house extensions, loft conversions, and home renovations, helping Eltham families create more space, improve their layout, and increase the long-term value of their homes.
Whether you're planning a rear extension, a double-storey build, a side-return expansion, or a high-quality loft conversion, our experienced team manages the entire process — from planning and design to construction and finishing — with care, clarity, and craftsmanship.
Our reputation in Eltham is built on honest pricing, reliable communication, and a family-run approach that puts our customers first.
If you're searching for trusted local builders in Eltham, New Eltham, or Mottingham, we’d be pleased to help you start planning your next project.
Why Choose P J Dunbar Builders for Your Project in Eltham?
For more than 30 years, homeowners across Eltham have relied on P J Dunbar Builders Ltd for dependable, high-quality construction work. As a family-run building company, we focus on honesty, clear communication, and delivering workmanship that lasts.
Many of our clients in Eltham Park, Avery Hill, and New Eltham come through personal recommendations — a reflection of the consistent service, reliability, and attention to detail we provide.
Whether your home is a 1930s semi, a Victorian terrace, a post-war family home, or a newer development, our team understands the property styles and planning requirements unique to the SE9 area. This knowledge helps ensure your project runs smoothly from the first conversation to the final handover.
Decades of Local Experience
With over 30 years of building experience in Eltham and SE9, we bring proven craftsmanship, strong local knowledge, and reliable delivery to every project.
Family-Run & Trusted Since 1994
As a family-run business, we take pride in honesty, transparency, and respectful working practices. Many Eltham homeowners recommend us to neighbours, friends, and family.
Honest, Transparent Pricing
Our quotes are clear, itemised, and free from hidden extras. You always know exactly what you're paying for, with no surprises during or after the build.
Seamless, Stress-Free Project Management
We manage everything in-house — design, planning, construction, and finishing — so you benefit from one reliable team and a smooth, well-organised process.
Choose a Builder You Can Trust in Eltham
We understand how important it is to feel confident in the builder you hire. Many of our clients in Eltham first came to us after disappointing experiences with other companies — poor communication, unfinished work, or unexpected costs.
Our approach is different. We prioritise reliability, honesty, and craftsmanship that stands the test of time. We keep you informed at every stage, maintain a tidy site, and deliver a finish you’ll be proud of.
For peace of mind, feel free to browse our reviews from homeowners across Eltham, Avery Hill, and Mottingham.
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 Eltham
We’ve carried out a wide variety of building projects across Eltham, from kitchen extensions and loft conversions to full home renovations and new builds.
Each project is completed by our experienced, long-standing team and showcases the quality and care we bring to every job.
Below is a small preview of the type of work we regularly complete for homeowners in Eltham, New Eltham, and surrounding areas. For more examples, feel free to browse our full project portfolio.
What Eltham Homeowners Say About Our Work
We’re proud to support families and homeowners across Eltham, 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 Eltham
Yes — we work across Eltham, New Eltham, Avery Hill, Mottingham, Eltham Park, and the wider SE9 area.
Some projects fall under permitted development, while others require planning approval from Greenwich Council.
We handle the entire process — including drawings, structural calculations, and submissions.
Yes — property values in Eltham are strong, and well-designed extensions and loft conversions can significantly increase resale value.
Yes — we coordinate directly with Greenwich Building Control to ensure your project is inspected and approved at each stage.
Yes — all work comes with a standard workmanship guarantee, and extended options are available upon request.
Prices depend on size and specification, but most single-storey extensions range from £45,000–£75,000, while double-storey extensions typically start from £70,000–£120,000.
We provide fully itemised quotes with no hidden costs.
Most loft conversions in Eltham take 6–10 weeks, depending on the type and complexity of the build.
Yes — we provide a complete design service or can work from existing plans provided by your architect.
Yes — all our work is carried out by qualified, insured professionals, with full documentation provided for your peace of mind.
Simply contact us for a friendly chat or to arrange a site visit. We’ll provide clear guidance and an honest, 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 Eltham?
Whether you're planning an extension, loft conversion, renovation, or new build, our experienced team is here to guide you every step of the way.