Dormer and hip-to-gable conversions
High-value space transformation
Reliable build schedule every time
Turning your loft into valuable living space
We convert underused attic space into functional rooms across Newham and East London, creating bedrooms, offices, or relaxing living areas that suit your needs. At RSB Builders Ltd, we manage every stage from design to completion, ensuring a finish that blends with your home. This approach helps you gain valuable space while improving comfort, usability, and long-term property value without relocating. For a full home upgrade, you may also benefit from our home renovations or general building services to enhance other areas.
Our step-by-step loft conversion process
We start with a complimentary assessment of your loft, providing you with a clear understanding of the achievable outcomes. From there, we handle design decisions, planning requirements, and regulations while setting out a fixed price and defined schedule. Our in-house team then carries out structural, insulation, roofing, and certified gas and electrical installations, ensuring steady progress and a well-organised build from start to finish.
Talk to us today about making better use of your loft!

Conversion styles built to maximise space and light
RSB Builders Ltd delivers dormer, hip-to-gable, and Velux loft conversions designed to enhance natural light and usable space. Our experienced team manages all trades internally, allowing for reliable scheduling and faster completion. With careful planning and skilled workmanship, we create well-finished spaces that improve daily living while adding lasting value to your property.
