Looking for reliable local builders in Lewisham? We deliver house extensions, loft conversions and full renovations across Lewisham and surrounding South East London areas.
From Victorian terraces to modern family homes, we help homeowners add space, improve layout and increase long-term value.
Free QuoteRear and side extensions creating open-plan kitchens and extra living space.
Dormer and Velux loft conversions for bedrooms, bathrooms or offices.
Full refurbishments, kitchens, bathrooms and interior upgrades.
Why Lewisham homeowners choose us:
We’re used to working on a wide mix of properties, so we can advise on the best approach before you commit to any major spend. From the first visit we agree the scope, confirm key measurements and talk you through the build stages so there are no surprises later. All works are completed to current regulations and best practice, with safety and quality checks built into the job.
Extra space without moving — rear/side extensions, open‑plan kitchen‑diner layouts and structural alterations.
Turn unused loft space into a bedroom, office or ensuite — designed around head height, stairs and insulation.
Whole‑home refreshes, reconfigurations and modernisation — from first‑fix to final finishes.
If you’re considering a home extension, loft conversion or refurbishment in Lewisham, take a look at our dedicated service pages for more detail on what’s included, typical timelines and how we price projects.
Lewisham properties often benefit from extensions and refurbishments to improve flow and maximise space. We regularly work in Catford, Blackheath, Deptford and nearby areas.
Yes — SE13 and surrounding postcodes. Send us your postcode to confirm.
Yes. We can advise based on a site visit and firm up pricing once drawings are available.
Call or email with your project details and postcode.
📞 07446 107961
✉️ contact@kdb-hs.co.uk