Single and double-storey extensions
Kitchen extension specialists
Gas Safe and NICEIC-certified team
Expand your living space with confidence
Thinking about adding extra space to your home in Newham? RSB Builders Ltd helps you gain extra living space through carefully planned house extensions that suit your home and lifestyle. We design layouts for open-plan kitchens, added bedrooms, or larger living areas, ensuring each build connects naturally with your existing structure while improving comfort, function, and overall property value without the need to move.
A structured approach that keeps everything on track
We handle every phase of your extension project with a structured approach that keeps everything running smoothly. At RSB Builders Ltd, we provide fixed quotes, detailed timelines, and full support with planning permission and regulations. Our in-house team, consisting of Gas Safe and NICEIC-certified professionals, manages structural work, brickwork, roofing, plumbing, and electrics to ensure dependable results.​
Call now and start shaping your new space!
Building solutions that improve everyday living
We deliver extensions using a coordinated team that focuses on timing, quality, and minimal disruption. We manage every step in-house, from consultation and assessment to completion. With options for single- or double-storey extensions, we create practical, durable spaces that enhance everyday living and contribute to long-term value. If you are also considering upgrading your interiors, explore our home renovations or kitchen fitting services for a complete transformation.